CN104341447A - Compound containing N amidino-silicon and application thereof - Google Patents

Compound containing N amidino-silicon and application thereof Download PDF

Info

Publication number
CN104341447A
CN104341447A CN201410621520.4A CN201410621520A CN104341447A CN 104341447 A CN104341447 A CN 104341447A CN 201410621520 A CN201410621520 A CN 201410621520A CN 104341447 A CN104341447 A CN 104341447A
Authority
CN
China
Prior art keywords
silicon
alkyl
cycloalkyl
alkenyl
aryl
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201410621520.4A
Other languages
Chinese (zh)
Other versions
CN104341447B (en
Inventor
丁玉强
杜立永
王大伟
许从应
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jiangnan University
Original Assignee
Jiangnan University
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Jiangnan University filed Critical Jiangnan University
Priority to CN201410621520.4A priority Critical patent/CN104341447B/en
Publication of CN104341447A publication Critical patent/CN104341447A/en
Application granted granted Critical
Publication of CN104341447B publication Critical patent/CN104341447B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Abstract

The invention relates to a compound containing N amidino-silicon. The compound is prepared according to the following methods: (1) dissolving carbodiimide or derivatives thereof into a reaction solvent, adding an alkyl/amido lithium solution, aminopyridine or derivatives thereof and alkyl/amido lithium under the stirring condition of -78 DEG C to 0 DEG C according to the molar ratio of 1 to (1-1.2), restoring to room temperature, and then further stirring and reacting for 0.5-3 hours to obtain a reaction mixture; (2) filtering the reaction mixture obtained in the step (1) to obtain lithium salt solid, and dissolving the lithium salt solid into an organic solvent to obtain a lithium salt solution; (3) dropwise adding a silicon-containing reactant or a solution thereof to the lithium salt solution at -78 DEG C to 0 DEG C according to the molar ratio of lithium salt to silicon-containing reactant being (1-4) to (1-1.1), rising to a certain temperature and reacting for 3-10 hours; (4) filtering the reaction mixture obtained in the step (3), concentrating and crystallizing filtrate, or distilling at reduced pressure to obtain a silicon compound containing an amidine ligand. The compound disclosed by the invention can be applied to production of integrated circuits to prepare films of silicon nitride, carbon-containing silicon nitride and the like.

Description

A kind of containing N amidino groups silicon compound and application thereof
Technical field
The present invention relates to one and have ad hoc structure namely containing N amidino groups silicon compound, this compounds can be used as integrated circuit thin-film material proplastid simultaneously, belongs to technical field of microelectronic material.
Background technology
Along with the development that IC industry is quick and optimum, also had with the requirement of its relevant industries that high technology content, high-quality require, the industry characteristic of three high requests of high entry threshold thereupon, namely this be face new challenges and opportunity for whole unicircuit associated materials.
In the numerous process procedure of unicircuit, silicon-containing film can be used as capacitor films, gate pole film, stops not, the optical component of the optical communication equipment such as the electronic component of the electronic unit such as gate insulation film or optical waveguides, photoswitch, image intensifer, have indispensable status in fields such as photoelectric materials, the development therefore for the silicon-containing film proplastid material of integrated circuit fields has very important practical significance and value.
In CVD/ALD Technology, the character of proplastid is most important, it require proplastid have suitable thermostability and higher volatile while, preparation also should be had simple, and easily the feature such as transport and storage is beneficial to produce and use.Current silicon-containing film proplastid material is gradually from traditional material, such as silane, silicon tetrachloride, disilicone hexachloride, dimethyldichlorosilane(DMCS), dichlorosilane etc. are to the silicoorganic compound transition with ad hoc structure group, and major cause has 3 points: 1) traditional proplastid material is mostly gas or highly volatile liquid not easily stores and transports; 2) traditional proplastid material has suitable toxicity, simultaneously because the chemical property that the extreme of self is active easily causes danger, needs to have high input fund for security work; 3) the general content of halogen of traditional proplastid material is high, in film-forming process, easily produce too much hydrogenchloride, can produce corrosion to equipment.These reasons hinder the industrialization development of traditional silicon-containing film proplastid material to a great extent, simultaneously along with the develop rapidly of IC industry, be badly in need of the novel material of one or more to make up the deficiency of traditional material, and then alternative traditional material, realize industrialization.So investigators start sight to turn to the silicoorganic compound with ad hoc structure group one after another.
Patent CN101648964A and CN102282291A discloses aminosilane proplastid, CN1518076A discloses diazanyl silane proplastid, this two classes proplastid to some extent solves the problem of the highly volatile of traditional material, and convenient storage, but owing to self containing more si-h bond, character is active, therefore still there are some potential danger and has certain toxicity.It is the aminosilane proplastid of basic boom that patent US2010/0285663A1 mainly describes with disilicone hexachloride, this type of proplastid toxicity is little and activity is moderate, but due to the existence of Si prediction skeleton, make its volatility relatively low to a certain extent on the contrary, be unfavorable for the further film forming application of presoma, the relative complex of this type of material synthesis simultaneously.As can be seen here, in patent disclosed in, although the proplastid of the silicon-containing film material found at present all to some extent solves the deficiency that traditional proplastid material exists, but possess suitable thermostability, activity and relative nontoxic and easily the proplastid material of synthesis is still very necessary simultaneously, and there is considerable actual application value.
Summary of the invention
The object of the invention is to overcome traditional silicon-containing film material proplastid and the deficiencies in the prior art, there is provided a kind of new type integrated circuit thin-film material with containing N amidino groups silicon compound proplastid, good solvability is had in the organic solvents such as normal hexane, toluene, ether, methylene dichloride, tetrahydrofuran (THF), there are good volatility and thermostability, toxicity is little, activity is moderate, and convenient storage and transport, have good film forming properties.
According to technical scheme provided by the invention, described in have logical formula I containing N amidino groups silicon compound proplastid:
Wherein R 1be selected from C 1~ C 10alkyl (as methyl, ethyl, n-propyl, sec.-propyl etc.), C 2~ C 10alkenyl (as vinyl, allyl group etc.), C 2~ C 10alkynyl group (as ethynyl, propargyl etc.), C 3~ C 10cycloalkyl (as cyclopropyl, cyclopentyl, cyclohexyl etc.), C 6~ C 17aryl (as phenyl, o-tolyl, naphthyl etc.) ,-N (SiMe 3) 2or-N (R 5r 6), wherein R 2, R 3independently be selected from C 1~ C 10alkyl, C 2~ C 10alkenyl, C 2~ C 10alkynyl group, C 3~ C 10cycloalkyl, C 6~ C 17aryl, wherein R 4, R 5, R 6independently be selected from hydrogen atom, halogen atom (F, Cl, Br, I), C 1~ C 10alkyl, C 2~ C 10alkenyl, C 2~ C 10alkynyl group, C 3~ C 10cycloalkyl, C 6~ C 17aryl ,-Si (R 2r 3r 4), or-N (R 7r 8), wherein R 5, R 6independently be selected from hydrogen atom, C 1~ C 10alkyl, C 2~ C 10alkenyl, C 2~ C 10alkynyl group, C 3~ C 10cycloalkyl, C 6~ C 17aryl, wherein R 7, R 8independently be selected from hydrogen atom, C 1~ C 10alkyl, C 2~ C 10alkenyl, C 2~ C 10alkynyl group, C 3~ C 10cycloalkyl, C 6~ C 17aryl, wherein R 7, R 8it is asynchronously hydrogen atom.
The prepared preparation method containing N amidino groups silicon compound that can be used as integrated circuit thin-film material proplastid, is characterized in that, comprise the following steps:
(1) carbodiimide or derivatives thereof is dissolved in reaction solvent, the mass ratio of carbodiimide or derivatives thereof and reaction solvent is 1:10 ~ 1:20, alkane/amido lithium solution is added under keeping at-78 ~ 0 DEG C the condition stirred, the mol ratio of carbodiimide or derivatives thereof and lithium alkylide alkane/amine is 1:1 ~ 1.2, the concentration of alkane/amido lithium solution is 1.0 ~ 2.5M, and stirring velocity is 800 ~ 2000 revs/min; Continue stirring reaction after returning to room temperature 0.5 ~ 3 hour, obtain reaction mixture, described reaction solvent is normal hexane, toluene, methylene dichloride, tetrahydrofuran (THF) or ether;
(2) reaction mixture step (1) obtained filters, collect filter cake, obtain lithium salts solid, lithium salts solid is mixed with organic solvent, the mass ratio of lithium salts solid and organic solvent is 1:10 ~ 20, obtain lithium salt solution, described reaction solvent is normal hexane, toluene, methylene dichloride, tetrahydrofuran (THF) or ether;
(3) at-78 ~ 0 DEG C according to lithium salts and siliceous reactant molar ratio 1 ~ 4:1, siliceous reactant or its above-mentioned solution is dripped in above-mentioned lithium salt solution, slowly rise to certain temperature, described temperature is the reflux temperature of room temperature to solvent for use, continues stirring reaction 3 ~ 10 hours at this temperature;
(4) reaction mixture that step (3) obtains is filtered, filter vacuum concentrate rear low temperature crystallization or underpressure distillation obtain logical formula I containing N amidino groups silicon compound;
(5) or in step (3) stirring after 3 ~ 10 hours, at-78 ~ 0 DEG C, add the organic amine of 1 ~ 10 molar equivalent, slowly rise to certain temperature, described temperature is the reflux temperature of room temperature to solvent for use, continue stirring reaction at this temperature again 3 ~ 10 hours, filter vacuum concentrate rear low temperature crystallization or underpressure distillation obtain logical formula I containing N amidino groups silicon compound.
Further, above-mentionedly all to carry out under rare gas element is as the protection such as nitrogen, argon gas in steps.
Further, alkane described in step (1)/amido lithium solution is for having structure R 1the ether of Li or hexane solution, wherein R 1be selected from C 1~ C 10alkyl, C 2~ C 10alkenyl, C 2~ C 10alkynyl group, C 3~ C 10cycloalkyl, C 6~ C 17aryl ,-N (SiMe 3) 2or-N (R 5r 6), wherein R 5, R 6independently be selected from hydrogen atom, C 1~ C 10alkyl, C 2~ C 10alkenyl, C 2~ C 10alkynyl group, C 3~ C 10cycloalkyl, C 6~ C 17aryl.
Further, in described step (3), siliceous reactant is SiX 4, SiHX 3, SiH 2x 2, SiH 3x, Si 2x 6, (CH 3) 3siX, (CH 3) 2siX 2, (CH 3) SiX 3, (CH 3) 2siHX, (CH 3) SiH 2x, (CH 3) SiHX 2in one, wherein X=F, Cl, Br or I.
Further, in described step (3) and (5), heat-up rate is 0.5 ~ 1 DEG C/min.
Further, in described step (5), organic amine has following structure: R 7r 8nH, wherein R 7, R 8independently be selected from hydrogen atom, C 1~ C 10alkyl, C 2~ C 10alkenyl, C 2~ C 10alkynyl group, C 3~ C 10cycloalkyl, C 6~ C 17aryl, further R 7, R 8be asynchronously from hydrogen atom.
Further, the reaction mixture that described step (4) or (5) obtain filters, and after filtrate is concentrated, then carries out low temperature crystallization, or underpressure distillation obtains described containing N amidino groups silicon compound; The condition that described filtrate is concentrated is: at 20 ~ 50 DEG C of concentrating under reduced pressure, and concentrated or underpressure distillation pressure is-0.1 ~-0.01MPa.
Further, by chemical vapour deposition (CVD) or ald (ALD) technique, preparation silicon-containing film.
Further, above-mentioned depositing temperature is 30 ~ 900 DEG C.
Further, described reactant gases can be one or more mixed gass formed in himself and nitrogen, hydrogen, argon gas.
Further, described film is that one or more adopting in proplastid as claimed in claim 1 and ammonia, nitrous oxide, nitrogen protoxide, oxygen, ozone, water vapour are reacted and obtained.
Further, described film comprises silicon nitride, containing the silicon oxide of carbonitride of silicium, silicon oxynitride, silicon carbide, silicon oxide, carbon doping and the silicon oxynitride film of carbon doping.
Further, above-mentioned deposit film technique, the preferential cyclic chemical vapor deposition by use low-pressure chemical vapor deposition, hot-wire chemical gas-phase deposition, ald, the ald of plasma enhancing, the chemical vapour deposition of plasma enhancing and plasma enhancing carries out.
Beneficial effect of the present invention comprises:
(1) synthesis condition is gentle, reduces the synthesis cost of front material;
(2) at toluene, ether, methylene dichloride, tetrahydrofuran (THF), has good solvability in the organic solvents such as normal hexane, makes transportation of materials, conveying, the course of processing become simple and easy to operate;
(3) this proplastid material non-toxic, lively type are moderate, and danger coefficient reduces greatly;
(4) have good volatility and thermostability, as through thermogravimetric (TG) method to the test of material thermal property, under normal pressure, there is following structure proplastid, its T50 is 80 DEG C, and Minimum Residual surplus reaches 0%, (see Fig. 1);
(5) there is good film forming properties, still for above-mentioned proplastid, with N 2/ H 2mixed gas is carrier gas and reacts, and under 600 DEG C of conditions, can form good cvd film, the scanning electron microscope (SEM) photograph of prepared film is shown in Fig. 2.
Accompanying drawing explanation
Technical scheme of the present invention is described in detail referring to accompanying drawing, wherein:
Fig. 1 is for having structural formula the TG collection of illustrative plates of proplastid, X-coordinate is temperature, and unit is DEG C, and ordinate zou is rate of weight loss, and unit is %.
Fig. 2 is for having structural formula cVD film scanning Electronic Speculum (SEM) figure of proplastid.
Embodiment
Below in conjunction with specific embodiment and accompanying drawing, the invention will be further described.
Preparation method containing N amidino groups silicon compound of the present invention, is undertaken by formula I reaction:
Wherein R 1be selected from C 1~ C 10alkyl, C 2~ C 10alkenyl, C 2~ C 10alkynyl group, C 3~ C 10cycloalkyl, C 6~ C 17aryl ,-N (SiMe 3) 2or-N (R 5r 6), wherein R 2, R 3independently be selected from C 1~ C 10alkyl, C 2~ C 10alkenyl, C 2~ C 10alkynyl group, C 3~ C 10cycloalkyl, C 6~ C 17aryl, wherein R 4, R 5, R 6independently be selected from hydrogen atom, halogen atom (F, Cl, Br, I), C 1~ C 10alkyl, C 2~ C 10alkenyl, C 2~ C 10alkynyl group, C 3~ C 10cycloalkyl, C 6~ C 17aryl ,-Si (R 2r 3r 4), or-N (R 7r 8), wherein R 5, R 6independently be selected from hydrogen atom, C 1~ C 10alkyl, C 2~ C 10alkenyl, C 2~ C 10alkynyl group, C 3~ C 10cycloalkyl, C 6~ C 17aryl, wherein R 7, R 8independently be selected from hydrogen atom, C 1~ C 10alkyl, C 2~ C 10alkenyl, C 2~ C 10alkynyl group, C 3~ C 10cycloalkyl, C 6~ C 17aryl, wherein R 7, R 8it is asynchronously hydrogen atom;
Wherein there is structure R 1the ether of Li or hexane solution, further R 1be selected from C 1~ C 10alkyl, C 2~ C 10alkenyl, C 2~ C 10alkynyl group, C 3~ C 10cycloalkyl, C 6~ C 17aryl ,-N (SiMe 3) 2or-N (R 5r 6), wherein R 5, R 6independently be selected from hydrogen atom, C 1~ C 10alkyl, C 2~ C 10alkenyl, C 2~ C 10alkynyl group, C 3~ C 10cycloalkyl, C 6~ C 17aryl;
Wherein siliceous reactant is SiX 4, SiHX 3, SiH 2x 2, SiH 3x, Si 2x 6, (CH 3) 3siX, (CH 3) 2siX 2, (CH 3) SiX 3, (CH 3) 2siHX, (CH 3) SiH 2x, (CH 3) SiHX 2in one, wherein X=F, Cl, Br or I.
Embodiment one: a kind of preparation method containing N amidino groups silicon compound proplastid, comprises the following steps:
(1) will be dissolved in normal hexane solvent, be 1:10 with the mass ratio of normal hexane solvent, under keeping at-78 DEG C the condition stirred, add LiNiPr 2diethyl ether solution in, with LiNiPr 2mol ratio be 1:1, LiNiPr 2the concentration of diethyl ether solution be 1.0M, stirring velocity is 800 revs/min; Continue stirring reaction after returning to room temperature 0.5 hour, obtain reaction mixture;
(2) reaction mixture step (1) obtained filters, and collect filter residue, obtain lithium salts solid, mixed by lithium salts solid with normal hexane, the mass ratio of lithium salts solid and normal hexane is 1:10, obtains the hexane solution of lithium salts;
(3) at 0 DEG C according to lithium salts and SiH 2cl 2mol ratio 2:1, is added drop-wise to two SiH by the hexane solution of lithium salts 2cl 2hexane solution in, be slowly warming up to room temperature, heat-up rate is 0.5 DEG C/min, at room temperature continues stirring reaction 10 hours;
(4) filtered by the reaction mixture that step (3) obtains, after the lower 20 DEG C of concentrating under reduced pressure filtrates of-0.01MPa ,-29 DEG C obtain target product after recrystallization repeatedly, and structural formula is: productive rate: 73%, fusing point: 149 ~ 152 DEG C.
Embodiment two: a kind of preparation method containing N amidino groups silicon compound proplastid, comprises the following steps:
(1) will be dissolved in toluene solvant, be 1:15 with the mass ratio of toluene solvant, add in the hexane solution of tert-butyl lithium under keeping at-39 DEG C the condition stirred, be 1:1.1 with the mol ratio of tert-butyl lithium, the concentration of the hexane solution of tert-butyl lithium is 1.5M, and stirring velocity is 1500 revs/min; Continue stirring reaction after returning to room temperature 1.5 hours, obtain reaction mixture;
(2) reaction mixture step (1) obtained filters, and collect filter residue, obtain lithium salts solid, mixed by lithium salts solid with toluene, the mass ratio of lithium salts solid and toluene is 1:20, obtains the toluene solution of lithium salts;
(3) at-78 DEG C according to lithium salts and SiF 4mol ratio 1:1, is added drop-wise to SiF by the toluene solution of lithium salts 4toluene solution in, be slowly warming up to 110 DEG C, heat-up rate is 1 DEG C/min, continues stirring reaction 7 hours at 110 DEG C;
(4) room temperature is returned to, add the TERTIARY BUTYL AMINE of 6 molar equivalents, slowly rise to 110 DEG C, continue stirring reaction at this temperature again 5 hours, the reaction mixture obtained is filtered, after the lower 30 DEG C of concentrating under reduced pressure filtrates of-0.04MPa, after 0 DEG C repeatedly recrystallization, obtain target product, structural formula is: productive rate: 89%, fusing point: 199 ~ 201 DEG C.
Embodiment three: a kind of preparation method containing N amidino groups silicon compound proplastid, comprises the following steps:
(1) will be dissolved in ether solvent, be 1:20 with the mass ratio of ether, add in the diethyl ether solution of lithium methide under keeping at-53 DEG C the condition stirred, be 1:1.2 with the mol ratio of phenyl lithium, the concentration of the diethyl ether solution of lithium methide is 2.5M, and stirring velocity is 2000 revs/min; Continue stirring reaction after returning to room temperature 2 hours, obtain reaction mixture;
(2) reaction mixture step (1) obtained filters, and collect filter residue, obtain lithium salts solid, mixed by lithium salts solid with ether, the mass ratio of lithium salts solid and ether is 1:15, obtains the diethyl ether solution of lithium salts;
(3) at 30 DEG C according to lithium salts and SiF 4mol ratio 4:1, is added drop-wise to SiF by the diethyl ether solution of lithium salts 4diethyl ether solution in, continue stirring reaction 5 hours at this temperature;
(4) filtered by the reaction mixture that step (3) obtains, after the lower 40 DEG C of concentrating under reduced pressure filtrates of-0.07MPa, under-0.1MPa, underpressure distillation obtains target product, and structural formula is: productive rate: 75%.
Embodiment four: a kind of preparation method containing N amidino groups silicon compound proplastid, comprises the following steps:
(1) will be dissolved in tetrahydrofuran solvent, be 1:20 with the mass ratio of tetrahydrofuran solvent, add in the diethyl ether solution of phenyl lithium under keeping at 0 DEG C the condition stirred, be 1:1.2 with the mol ratio of phenyl lithium, the concentration of the diethyl ether solution of phenyl lithium is 2.5M, and stirring velocity is 2000 revs/min; Continue stirring reaction after returning to room temperature 3 hours, obtain reaction mixture;
(2) reaction mixture step (1) obtained filters, and collect filter residue, obtain lithium salts solid, mixed by lithium salts solid with tetrahydrofuran (THF), the mass ratio of lithium salts solid and ether is 1:15, obtains the tetrahydrofuran solution of lithium salts;
(3) at 34 DEG C according to lithium salts and (CH 3) 3siI mol ratio 1:1, is added drop-wise to (CH by the tetrahydrofuran solution of lithium salts 3) 3in the tetrahydrofuran solution of SiI, continue stirring reaction 3 hours at this temperature;
(4) filtered by the reaction mixture that step (3) obtains, after the lower 50 DEG C of concentrating under reduced pressure filtrates of-0.1MPa, under-0.01MPa, underpressure distillation obtains target product, and structural formula is: productive rate: 92%.
The proplastid that can be used as CVD/ALD containing N amidine ligand silicon compound that the present invention obtains, by chemical vapour deposition (CVD) or ald (ALD) technique, form the silicon oxynitride film of silicon nitride, silicon oxynitride, silicon carbide, silicon oxide, the silicon nitride of carbon doping, the silicon oxide of carbon doping and carbon doping.Described deposit film technique, further preferably by using low-pressure chemical vapor deposition, hot-wire chemical gas-phase deposition, ald, the ald of plasma enhancing, the cyclic chemical vapor deposition of the chemical vapour deposition of plasma enhancing and plasma enhancing carries out.
The present invention has the following advantages: (1) simple synthetic method, and mild condition greatly reduces the synthesis cost of front material; (2) at toluene, ether, methylene dichloride, tetrahydrofuran (THF), has good solvability in the organic solvents such as normal hexane, makes transportation of materials, conveying, and the course of processing becomes simple and easy to operate; (3) this proplastid material non-toxic, lively type are moderate, and danger coefficient reduces greatly; (4) have good volatility and thermostability, as through thermogravimetric (TG) method to the test of material thermal property, under normal pressure, there is following structure proplastid, its T50 is 80 DEG C, and Minimum Residual surplus reaches 0%, (see Fig. 1); (5) there is good film forming properties, still for above-mentioned proplastid, with N 2/ H 2mixed gas is carrier gas, and under 600 DEG C of conditions, can form good cvd film, the scanning electron microscope (SEM) photograph of prepared film is shown in Fig. 2.

Claims (10)

1. one kind have logical formula I containing N amidino groups silicon compound:
Wherein R 1be selected from C 1~ C 10alkyl, C 2~ C 10alkenyl, C 2~ C 10alkynyl group, C 3~ C 10cycloalkyl, C 6~ C 17aryl ,-N (SiMe 3) 2or-N (R 5r 6), wherein R 2, R 3independently be selected from C 1~ C 10alkyl, C 2~ C 10alkenyl, C 2~ C 10alkynyl group, C 3~ C 10cycloalkyl, C 6~ C 17aryl, wherein R 4, R 5, R 6independently be selected from hydrogen atom, halogen atom (F, Cl, Br, I), C 1~ C 10alkyl, C 2~ C 10alkenyl, C 2~ C 10alkynyl group, C 3~ C 10cycloalkyl, C 6~ C 17aryl ,-Si (R 2r 3r 4), or-N (R 7r 8), wherein R 5, R 6independently be selected from hydrogen atom, C 1~ C 10alkyl, C 2~ C 10alkenyl, C 2~ C 10alkynyl group, C 3~ C 10cycloalkyl, C 6~ C 17aryl, wherein R 7, R 8independently be selected from hydrogen atom, C 1~ C 10alkyl, C 2~ C 10alkenyl, C 2~ C 10alkynyl group, C 3~ C 10cycloalkyl, C 6~ C 17aryl, wherein R 7, R 8it is asynchronously hydrogen atom.
2. prepare as claimed in claim 1 containing a method for N amidino groups silicon compound, it is characterized in that, comprise the following steps:
(1) carbodiimide or derivatives thereof is dissolved in reaction solvent, the mass ratio of carbodiimide or derivatives thereof and reaction solvent is 1:10 ~ 1:20, alkane/amido lithium solution is added under keeping at-78 ~ 0 DEG C the condition stirred, the mol ratio of carbodiimide or derivatives thereof and lithium alkylide alkane/amine is 1:1 ~ 1.2, the concentration of alkane/amido lithium solution is 1.0 ~ 2.5M, and stirring velocity is 800 ~ 2000 revs/min; Continue stirring reaction after returning to room temperature 0.5 ~ 3 hour, obtain reaction mixture, described reaction solvent is normal hexane, toluene, methylene dichloride, tetrahydrofuran (THF) or ether;
(2) reaction mixture step (1) obtained filters, collect filter cake, obtain lithium salts solid, lithium salts solid is mixed with organic solvent, the mass ratio of lithium salts solid and organic solvent is 1:10 ~ 20, obtain lithium salt solution, described reaction solvent is normal hexane, toluene, methylene dichloride, tetrahydrofuran (THF) or ether;
(3) at-78 ~ 0 DEG C according to lithium salts and siliceous reactant molar ratio 1 ~ 4:1, siliceous reactant or its above-mentioned solution is dripped in above-mentioned lithium salt solution, slowly rise to certain temperature, described temperature is the reflux temperature of room temperature to solvent for use, continues stirring reaction 3 ~ 10 hours at this temperature;
(4) reaction mixture that step (3) obtains is filtered, filter vacuum concentrate rear low temperature crystallization or underpressure distillation obtain logical formula I containing N amidino groups silicon compound;
(5) or in step (3) stirring after 3 ~ 10 hours, at-78 ~ 0 DEG C, add the organic amine of 1 ~ 10 molar equivalent, slowly rise to certain temperature, described temperature is the reflux temperature of room temperature to solvent for use, continue stirring reaction at this temperature again 3 ~ 10 hours, filter vacuum concentrate rear low temperature crystallization or underpressure distillation obtain logical formula I containing N amidino groups silicon compound.
3. preparation method as claimed in claim 2, is characterized in that: alkane described in step (1)/amido lithium solution is for having structure R 1the ether of Li or hexane solution, wherein R 1be selected from C 1~ C 10alkyl, C 2~ C 10alkenyl, C 2~ C 10alkynyl group, C 3~ C 10cycloalkyl, C 6~ C 17aryl ,-N (SiMe 3) 2or-N (R 5r 6), wherein R 5, R 6independently be selected from hydrogen atom, C 1~ C 10alkyl, C 2~ C 10alkenyl, C 2~ C 10alkynyl group, C 3~ C 10cycloalkyl, C 6~ C 17aryl.
4. preparation method as claimed in claim 2, it is characterized in that: in described step (3), siliceous reactant is SiX 4, SiHX 3, SiH 2x 2, SiH 3x, Si 2x 6, (CH 3) 3siX, (CH 3) 2siX 2, (CH 3) SiX 3, (CH 3) 2siHX, (CH 3) SiH 2x, (CH 3) SiHX 2in one, wherein X=F, Cl, Br or I.
5. preparation method as claimed in claim 2, is characterized in that: in described step (3) and (5), heat-up rate is 0.5 ~ 1 DEG C/min.
6. preparation method as claimed in claim 2, is characterized in that: in described step (5), organic amine has following structure: R 7r 8nH, wherein R 7, R 8independently be selected from hydrogen atom, C 1~ C 10alkyl, C 2~ C 10alkenyl, C 2~ C 10alkynyl group, C 3~ C 10cycloalkyl, C 6~ C 17aryl, further R 7, R 8be asynchronously from hydrogen atom.
7. preparation method as claimed in claim 2, it is characterized in that: the reaction mixture that described step (4) or (5) obtain filters, after filtrate is concentrated, then carry out low temperature crystallization, or underpressure distillation obtains described containing N amidino groups silicon compound; The condition that described filtrate is concentrated is: at 20 ~ 50 DEG C of concentrating under reduced pressure, and concentrated or underpressure distillation pressure is-0.1 ~-0.01MPa.
8. be used as the application of integrated circuit thin-film material proplastid as claimed in claim 1 containing N amidino groups silicon compound, it is characterized in that: by chemical vapour deposition (CVD) or ald (ALD) technique, preparation silicon-containing film.
9. apply as claimed in claim 8, it is characterized in that: described film is that one or more adopting in proplastid as claimed in claim 1 and ammonia, nitrous oxide, nitrogen protoxide, oxygen, ozone, water vapour are reacted and obtained.
10. apply as claimed in claim 8, it is characterized in that: described film comprises silicon nitride, containing the silicon oxide of carbonitride of silicium, silicon oxynitride, silicon carbide, silicon oxide, carbon doping and the silicon oxynitride film of carbon doping.
CN201410621520.4A 2014-11-06 2014-11-06 A kind of silicon compound of amidino groups containing N and its application Expired - Fee Related CN104341447B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201410621520.4A CN104341447B (en) 2014-11-06 2014-11-06 A kind of silicon compound of amidino groups containing N and its application

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201410621520.4A CN104341447B (en) 2014-11-06 2014-11-06 A kind of silicon compound of amidino groups containing N and its application

Publications (2)

Publication Number Publication Date
CN104341447A true CN104341447A (en) 2015-02-11
CN104341447B CN104341447B (en) 2017-06-16

Family

ID=52497971

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201410621520.4A Expired - Fee Related CN104341447B (en) 2014-11-06 2014-11-06 A kind of silicon compound of amidino groups containing N and its application

Country Status (1)

Country Link
CN (1) CN104341447B (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9371338B2 (en) 2012-07-20 2016-06-21 American Air Liquide, Inc. Organosilane precursors for ALD/CVD silicon-containing film applications
US9382268B1 (en) 2013-07-19 2016-07-05 American Air Liquide, Inc. Sulfur containing organosilane precursors for ALD/CVD silicon-containing film applications
WO2016094711A3 (en) * 2014-12-13 2016-10-13 L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude Organosilane precursors for ald/cvd silicon-containing film applications and methods of using the same
US9822132B2 (en) 2013-07-19 2017-11-21 American Air Liquide, Inc. Hexacoordinate silicon-containing precursors for ALD/CVD silicon-containing film applications

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013177326A1 (en) * 2012-05-25 2013-11-28 Advanced Technology Materials, Inc. Silicon precursors for low temperature ald of silicon-based thin-films
CN104080944A (en) * 2012-07-20 2014-10-01 乔治洛德方法研究和开发液化空气有限公司 Organosilane precursors for ALD/CVD silicon-containing film applications

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013177326A1 (en) * 2012-05-25 2013-11-28 Advanced Technology Materials, Inc. Silicon precursors for low temperature ald of silicon-based thin-films
CN104080944A (en) * 2012-07-20 2014-10-01 乔治洛德方法研究和开发液化空气有限公司 Organosilane precursors for ALD/CVD silicon-containing film applications

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
DARIO LIGUORI等,: "Low-Temperature Polymerization of Olefins in the Presence of Titanium Monoamidinate/MAO Catalyst", 《MACROMOL. CHEM. PHYS.》 *
DARIO LIGUORI等,: "Polymerization of Propene and 1,3-Butadiene with Vanadyl(V) Monoamidinate Precatalysts and MAO or Dialkylaluminum Chloride Cocatalysts", 《MACROMOL. CHEM. PHYS.》 *

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9371338B2 (en) 2012-07-20 2016-06-21 American Air Liquide, Inc. Organosilane precursors for ALD/CVD silicon-containing film applications
US9593133B2 (en) 2012-07-20 2017-03-14 America Air Liquide, Inc. Organosilane precursors for ALD/CVD silicon-containing film applications
US9938303B2 (en) 2012-07-20 2018-04-10 American Air Liquide, Inc. Organosilane precursors for ALD/CVD silicon-containing film applications
US9382268B1 (en) 2013-07-19 2016-07-05 American Air Liquide, Inc. Sulfur containing organosilane precursors for ALD/CVD silicon-containing film applications
US9822132B2 (en) 2013-07-19 2017-11-21 American Air Liquide, Inc. Hexacoordinate silicon-containing precursors for ALD/CVD silicon-containing film applications
WO2016094711A3 (en) * 2014-12-13 2016-10-13 L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude Organosilane precursors for ald/cvd silicon-containing film applications and methods of using the same
US10570513B2 (en) 2014-12-13 2020-02-25 American Air Liquide, Inc. Organosilane precursors for ALD/CVD silicon-containing film applications and methods of using the same

Also Published As

Publication number Publication date
CN104341447B (en) 2017-06-16

Similar Documents

Publication Publication Date Title
JP6456450B2 (en) Novel cyclodisilazane derivative, production method thereof, and silicon-containing thin film using the same
US9245740B2 (en) Amino-silyl amine compound, method for preparing the same and silicon-containing thin-film using the same
US20210206786A1 (en) N-alkyl substituted cyclic and oligomeric perhydridosilazanes, methods of preparation thereof, and silicon nitride films formed therefrom
JP6415665B2 (en) Novel trisilylamine derivative, method for producing the same, and silicon-containing thin film using the same
JP6917995B2 (en) Synthesis of disylanylamine and polysilanylamine
JP6567131B2 (en) Novel aminosilylamine compound, method for producing the same, and silicon-containing thin film using the same
CN104341447A (en) Compound containing N amidino-silicon and application thereof
CN110546210B (en) Silicon-containing film deposition composition including disilazane compound and method of preparing silicon-containing film using the same
US20120165564A1 (en) Method for preparing purified aminosilane
CN104447838A (en) Beta-diimino silicon compound and application thereof
TWI711624B (en) Silylamine compound, composition for depositing silicon-containing thin film containing the same, and method for manufacturing silicon-containing thin film using the composition
CN110536893B (en) Disilanamine compounds, method of preparing the same, and silicon-containing thin film deposition composition including the same
KR20140067786A (en) Silicon precursors, and depositing method of silicon-containing thin film
TW201942123A (en) Aminosilane compound, silicon-containing film forming composition containing the same
CN104447839A (en) Aminopyridyl silicon compound and application thereof
KR102186868B1 (en) New silicon precursor compounds and method for fabricating silicon-containing thin film using the same
JP6144161B2 (en) Silicon nitride film raw material and silicon nitride film obtained from the raw material
KR20210023086A (en) Novel silylcyclodisilazane compound, method for manufacturing thereof and silicon-containing thin film use the same
KR20150059129A (en) Organo group 14 metalloid azide compounds and method of thin film deposition using them as precursors

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20170616