CN108745335A - Photoelectric functional material and preparation method thereof - Google Patents

Photoelectric functional material and preparation method thereof Download PDF

Info

Publication number
CN108745335A
CN108745335A CN201810620883.4A CN201810620883A CN108745335A CN 108745335 A CN108745335 A CN 108745335A CN 201810620883 A CN201810620883 A CN 201810620883A CN 108745335 A CN108745335 A CN 108745335A
Authority
CN
China
Prior art keywords
attapulgite
functional material
photoelectric functional
nano
preparation
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
CN201810620883.4A
Other languages
Chinese (zh)
Other versions
CN108745335B (en
Inventor
张立静
胡涛
陈静
石新玉
李安妮
李义
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.)
Huaiyin Institute of Technology
Original Assignee
Huaiyin Institute of Technology
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 Huaiyin Institute of Technology filed Critical Huaiyin Institute of Technology
Priority to CN201810620883.4A priority Critical patent/CN108745335B/en
Publication of CN108745335A publication Critical patent/CN108745335A/en
Application granted granted Critical
Publication of CN108745335B publication Critical patent/CN108745335B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J23/00Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
    • B01J23/70Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper
    • B01J23/74Iron group metals
    • B01J23/745Iron
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J21/00Catalysts comprising the elements, oxides, or hydroxides of magnesium, boron, aluminium, carbon, silicon, titanium, zirconium, or hafnium
    • B01J21/06Silicon, titanium, zirconium or hafnium; Oxides or hydroxides thereof
    • B01J21/063Titanium; Oxides or hydroxides thereof
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J27/00Catalysts comprising the elements or compounds of halogens, sulfur, selenium, tellurium, phosphorus or nitrogen; Catalysts comprising carbon compounds
    • B01J27/24Nitrogen compounds
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J35/00Catalysts, in general, characterised by their form or physical properties
    • B01J35/30Catalysts, in general, characterised by their form or physical properties characterised by their physical properties
    • B01J35/39Photocatalytic properties

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Catalysts (AREA)
  • Hybrid Cells (AREA)

Abstract

The present invention relates to inorganic compound semiconductor technical field of material, a kind of photoelectric functional material and preparation method thereof is disclosed, which is made of acidification nano-attapulgite-meso-porous titanium dioxide silicon layer carrier and catalyst, and the two mass ratio is 1:0.001~5.The photoelectric functional material being prepared by this method is higher to the utilization rate of light, has big specific surface area, is capable of providing more surface-active sites;The diffusion length of charge is short, is conducive to charge transmission, and structural behaviour is stablized.

Description

Photoelectric functional material and preparation method thereof
Technical field
The present invention relates to field of photovoltaic materials, more particularly to a kind of photoelectric functional material and preparation method thereof.
Background technology
Bulk catalyst(Fe2O3、C3N4、SrTiO3、TiO2Deng)Utilization rate on light is to influence Photocatalyzed Hydrogen Production efficiency One key factor.Be currently mostly mixed by ion or the method for dye sensitization come extend bulk catalyst to light utilize model It encloses.For another angle, the utilization rate for improving sunlight can also be by improving scattering of the light in catalytic inner come real It is existing.Light may be implemented in the scattering of catalytic inner to improve the utilization rate of light in hollow porous structure.
Currently, the method for synthesis hollow material needs pre-synthesis soft, hard template mostly, it is complex for operation step, and lead to It is often used toxic organic matter solvent.Attapulgite is a kind of natural one-dimensional rich aluminium magensium silicate mineral, brilliant for threadiness Body, monocrystalline are about 1-5 μm, diameter about 20-70 nm.The Large ratio surface and adsorptivity of attapulgite make it be urged applied to light The research of agent carrier.Synthesis step can be simplified by constructing hollow Nano photochemical catalyst as template using this natural attapulgite, be subtracted The use of few organic solvents a large amount of when synthesizing template.And as the research of the hollow porous bulk catalyst of templated synthesis But it is rarely reported.This is because the Si keys on attapulgite surface are difficult to form strong bond with transition metal(Si-O-M);Concave convex rod Although there is groove on stone surface, but the size of groove causes semiconductor body catalyst less than 1 nm(Transition metal oxide, Sulfide etc.)It is difficult to form close cladding on attapulgite surface, Si-O-M is easily broken off, and influences catalytic effect.
Invention content
Goal of the invention:For problems of the prior art, a kind of photoelectric functional material of present invention offer and its preparation Method, the photoelectric functional material being prepared are higher to the utilization rate of light, have big specific surface area, are capable of providing more tables Face active site;The diffusion length of charge is short, is conducive to charge transmission, and structural behaviour is stablized.
Technical solution:The present invention provides a kind of photoelectric functional materials, by acidification nano-attapulgite-mesoporous silicon oxide Layer carrier and catalyst composition, the two mass ratio are 1:0.001~5.
Preferably, the catalyst is Fe2O3,、C3N4、SrTiO3Or TiO2
The present invention also provides a kind of preparation methods of photoelectric functional material, include the following steps:S1:Prepare acidification nanometer Attapulgite;S2:It is molten that the acidification nano-attapulgite is distributed to the mixing being made of ammonium hydroxide, absolute ethyl alcohol and deionized water In liquid M1;S3:By TEOS and C18TMS mixes to obtain mixed solution M2;S4:Mixed solution M2 is added drop-wise in mixed solution M1, is stirred It mixes, ultrasound, is calcined after precipitation, centrifugation, drying, obtain the acidification nano-attapulgite-meso-porous titanium dioxide silicon layer carrier;S5:It will Catalyst loads in the acidification nano-attapulgite-meso-porous titanium dioxide silicon layer carrier, obtains photoelectric functional material;S6:Removal Acidification nano-attapulgite-meso-porous titanium dioxide silicon layer carrier in the photoelectric functional material.
Further, in the S1, the acidification nano-attapulgite is made by following steps:S1-1:It will removal The attapulgite of impurity is dispersed in the hydrochloric acid that molar concentration is 1M, and stirring is centrifuged, cleaned afterwards for 24 hours;S1-2:With rubbing at 60 DEG C The HCl processing of your a concentration of 3M for 24 hours, the acidification nano-attapulgite is obtained after centrifugation, cleaning.
Preferably, in the S2, the acidification nano-attapulgite and the ammonium hydroxide, absolute ethyl alcohol and deionized Mass volume ratio is 1g:2~3.1g:75~100mL:10~20ml.
Preferably, in the S3, the TEOS and C18The volume ratio of TMS is 1 ~ 5:0~3.By adjust TEOS and C18The mass ratio of TMS can adjust acidification nano-attapulgite stone surface and obtain the thickness of meso-porous titanium dioxide silicon frame, and then realize and adjust Save the thickness of the porous bulk catalyst wall of one-dimensional hollow.
Preferably, in the S4, the rate that the mixed solution M2 is added dropwise into the mixed solution M1 is 10 ~ 20 Drop/min;Calcination temperature is 500 ~ 600 DEG C, and calcination time is 3 ~ 6h.
Preferably, in the S5, the acidification nano-attapulgite-meso-porous titanium dioxide silicon layer carrier and the catalyst Mass ratio be 1:0.01~1.
Preferably, in the S6, using alkaline solution or ammonium acid fluoride by the acidification nano-attapulgite-mesoporous two Silicon oxide layer carrier removes, and obtains hollow porous photoelectric functional material.
Principle and advantageous effect:In the present invention, pass through mesoporous material TEOS and pore-foaming agent C18The synergistic effect of TMS, in acid The surface for changing nano-attapulgite stone forms Si-O-Si keys, one layer of meso-porous titanium dioxide silicon frame is ultimately formed, then again by main body For catalyst growth in above-mentioned meso-porous titanium dioxide silicon frame, load effect is preferable, finally removes attapulgite and mesoporous dioxy again SiClx frame obtains the porous bulk catalyst photoelectric functional material of one-dimensional hollow;The porous bulk catalyst of one-dimensional hollow can The utilization rate of light is improved by the scattering of light, and this catalyst has big specific surface area, be capable of providing more surfaces and live Property site;The diffusion length of charge is short, is conducive to the characteristics of charge transmits;In addition, Si-O-M keys are compared to, Si-O-Si keys That to be stablized is more, not easy to break, is more advantageous to form hollow porous photoelectric functional material.
Description of the drawings
Fig. 1 is the scanning electron microscope diagram that nano-attapulgite is acidified in embodiment 1;
Fig. 2 is the scanning electricity for acidification nano-attapulgite-meso-porous titanium dioxide silicon layer carrier that iron oxide has been loaded in embodiment 1 Sub- microscope figure.
Specific implementation mode
The present invention is described in detail below in conjunction with the accompanying drawings.
Embodiment 1:
Present embodiments provide for a kind of iron oxide photoelectric functional materials and preparation method thereof, by acidification nano-attapulgite-Jie Hole silicon dioxide layer carrier and Fe2O3Composition, the two mass ratio are 1:0.3.
The preparation method of above-mentioned photoelectric functional material is as follows:
S1:Prepare acidification nano-attapulgite;
Attapulgite is subjected to pre-processing decontamination first, attapulgite is then dispersed in the hydrochloric acid that molar concentration is 1M In, stirring centrifuges afterwards for 24 hours, and deionized water is used in combination to clean three times, then the HCl for being 3M with molar concentration at 60 DEG C is by above-mentioned bumps The processing of stick soil for 24 hours, is then centrifuged for, and is used in combination deionized water to clean three times, is obtained acidification nano-attapulgite, and gained sample is frozen It is dry;Such as Fig. 1, to be acidified the scanning electron microscope diagram of nano-attapulgite, it is seen that attapulgite shows as fiber club shaped structure, Stick is 0.2-2 μm long, and the diameter of stick is about 50-70 nm.
S2:The above-mentioned acidification nano-attapulgites of 1g are distributed to by the deionization of 3.10g ammonium hydroxide, 100mL ethyl alcohol and 20ml In the mixed solution of water composition, ultrasound 1h again after 1h is stirred so that be acidified attapulgite and be well dispersed in mixed solution and must mix Close solution M1.
S3:By 2.58gTEOS and 1gC18Mixed solution M2 is obtained after TMS mixing.
S4:Mixed solution M2 is added drop-wise in mixed solution M1, is added dropwise with the drop rate of 20 drops/min, is sunk after stirring 3h It forms sediment, centrifuge, is dry, then calcining 6h at 550 DEG C with perpend stove, obtaining acidification nano-attapulgite-meso-porous titanium dioxide silicon layer Carrier.
S5:Using the method calcined after washing by 0.3g Fe2O3Load to 1g acidification nano-attapulgite-meso-porous titanium dioxides In silicon layer carrier, such as Fig. 2, the scanning electron of acidification nano-attapulgite-meso-porous titanium dioxide silicon layer carrier of iron oxide has been loaded Microscope figure, it is seen that it is observed that attapulgite is obviously thicker from figure, area load one layer of iron oxide, the diameter of stick reach 100-150 nm have been arrived, have illustrated that iron oxide has successfully been loaded to the surface of attapulgite by we.
S6:With alkaline solution by be acidified nano-attapulgite-meso-porous titanium dioxide silicon layer carrier melt away, finally obtain it is one-dimensional in Empty porous Fe2O3Photoelectric functional material.
Embodiment 2:
Present embodiments provide for a kind of iron oxide photoelectric functional materials and preparation method thereof, by acidification nano-attapulgite-Jie Hole silicon dioxide layer carrier and TiO2Composition, the two mass ratio are 1:5.
The preparation method of above-mentioned photoelectric functional material is as follows:
S1:Prepare acidification nano-attapulgite;
Attapulgite is subjected to pre-processing decontamination first, attapulgite is then dispersed in the hydrochloric acid that molar concentration is 1M In, stirring centrifuges afterwards for 24 hours, and deionized water is used in combination to clean three times, then the HCl for being 3M with molar concentration at 60 DEG C is by above-mentioned bumps The processing of stick soil for 24 hours, is then centrifuged for, and is used in combination deionized water to clean three times, is obtained acidification nano-attapulgite, and gained sample is frozen It is dry.
S2:By the above-mentioned acidification nano-attapulgites of 1g be distributed to by 3.10g ammonium hydroxide, 74.12mL ethyl alcohol and 10ml go from In the mixed solution of sub- water composition, ultrasound 1h again is stirred after 1h so that acidification attapulgite is well dispersed in mixed solution must Mixed solution M1.
S3:Mixed solution M2 is obtained after 5gTEOS and 3gC18TMS is mixed.
S4:Mixed solution M2 is added drop-wise in mixed solution M1, is added dropwise with the drop rate of 15 drops/min, then stirs 3h It precipitates afterwards, centrifuges, is dry, then must be acidified nano-attapulgite-mesoporous silicon oxide calcining 3h at 600 DEG C with perpend stove Layer carrier.
S5:Using the method for collosol and gel by 5g TiO2Load to 1g acidification nano-attapulgite-meso-porous titanium dioxide silicon layers In carrier.
S6:With alkaline solution by be acidified nano-attapulgite-meso-porous titanium dioxide silicon layer carrier melt away, finally obtain it is one-dimensional in Empty porous TiO2Photoelectric functional material.
Embodiment 3:
Present embodiments provide for a kind of C3N4Photoelectric functional material and preparation method thereof, it is mesoporous by acidification nano-attapulgite Silicon dioxide layer is carrier and C3N4Composition, the two mass ratio 1:0.25.
The preparation method of above-mentioned photoelectric functional material is as follows:
S1:Prepare acidification nano-attapulgite;
Attapulgite is subjected to pre-processing decontamination first, attapulgite is then dispersed in the hydrochloric acid that molar concentration is 1M In, stirring centrifuges afterwards for 24 hours, and deionized water is used in combination to clean three times, then the HCl for being 3M with molar concentration at 60 DEG C is by above-mentioned bumps The processing of stick soil for 24 hours, is then centrifuged for, and is used in combination deionized water to clean three times, is obtained acidification nano-attapulgite, and gained sample is frozen It is dry.
S2:The above-mentioned acidification nano-attapulgites of 1g are distributed to by 2g ammonium hydroxide, the deionized water group of 100mL ethyl alcohol and 20ml At mixed solution in, stir ultrasound 1h again after 1h so that be acidified attapulgite be well dispersed in mixed solution must mix it is molten Liquid M1.
S3:Mixed solution M2 is obtained after 4.645gTEOS and 2.649gC18TMS is mixed.
S4:Mixed solution M2 is added drop-wise in mixed solution M1, is added dropwise with the drop rate of 10 drops/min, then stirs 3h It precipitates afterwards, centrifuges, is dry, then must be acidified nano-attapulgite-mesoporous silicon oxide calcining 6h under 500 degree with perpend stove Layer carrier.
S5:Using the method for calcining by 0.25g C3N41g acidifications nano-attapulgite-meso-porous titanium dioxide silicon layer is loaded to carry In body.
S6:With alkaline solution by be acidified nano-attapulgite-meso-porous titanium dioxide silicon layer carrier melt away, finally obtain it is one-dimensional in Empty porous C3N4 photoelectric functional materials.
The technical concepts and features of the above embodiment only to illustrate the invention, its object is to allow be familiar with technique People cans understand the content of the present invention and implement it accordingly, and it is not intended to limit the scope of the present invention.It is all according to the present invention The equivalent transformation or modification that Spirit Essence is done, should be covered by the protection scope of the present invention.

Claims (9)

1. a kind of photoelectric functional material, which is characterized in that by acidification nano-attapulgite-meso-porous titanium dioxide silicon layer carrier and catalysis Agent forms, and the two mass ratio is 1:0.001~5.
2. photoelectric functional material according to claim 1, which is characterized in that the catalyst is Fe2O3,、C3N4、SrTiO3 Or TiO2
3. a kind of preparation method of photoelectric functional material as claimed in claim 1 or 2, which is characterized in that include the following steps:
S1:Prepare acidification nano-attapulgite;
S2:The acidification nano-attapulgite is distributed to the mixed solution M1 being made of ammonium hydroxide, absolute ethyl alcohol and deionized water In;
S3:By TEOS and C18TMS mixes to obtain mixed solution M2;
S4:Mixed solution M2 is added drop-wise in mixed solution M1, is stirred, ultrasound calcines after precipitation, centrifugation, drying, obtains the acid Change nano-attapulgite-meso-porous titanium dioxide silicon layer carrier;
S5:Catalyst is loaded in the acidification nano-attapulgite-meso-porous titanium dioxide silicon layer carrier, photoelectric functional material is obtained Material;
S6:Remove acidification nano-attapulgite-meso-porous titanium dioxide silicon layer carrier in the photoelectric functional material.
4. the preparation method of photoelectric functional material according to claim 3, which is characterized in that in the S1, the acid Change nano-attapulgite to be made by following steps:
S1-1:Deimpurity attapulgite will be gone to be dispersed in the hydrochloric acid that molar concentration is 1M, stirring is centrifuged, cleaned afterwards for 24 hours;
S1-2:The HCl for being 3M with molar concentration at 60 DEG C is handled for 24 hours, and the acidification nano-attapulgite is obtained after centrifugation, cleaning Soil.
5. the preparation method of photoelectric functional material according to claim 3, which is characterized in that in the S2, the acid The mass volume ratio for changing nano-attapulgite and the ammonium hydroxide, absolute ethyl alcohol and deionized water is 1g:2~3.1g:75~ 100mL:10~20ml。
6. the preparation method of photoelectric functional material according to claim 3, which is characterized in that described in the S3 TEOS and C18The mass ratio of TMS is 1 ~ 5:0~3.
7. the preparation method of photoelectric functional material according to claim 3, which is characterized in that described mixed in the S4 It is 10 ~ 20 drops/min to close the rate that solution M2 is added dropwise into the mixed solution M1;Calcination temperature is 500 ~ 600 DEG C, when calcining Between be 3 ~ 6h.
8. the preparation method of photoelectric functional material according to claim 3, which is characterized in that in the S5, the acid The mass ratio for changing nano-attapulgite-meso-porous titanium dioxide silicon layer carrier and the catalyst is 1:0.01~1.
9. the preparation method of the photoelectric functional material according to any one of claim 3 to 8, which is characterized in that described In S6, the acidification nano-attapulgite-meso-porous titanium dioxide silicon layer carrier is removed using alkaline solution or ammonium acid fluoride, is obtained Hollow porous photoelectric functional material.
CN201810620883.4A 2018-06-15 2018-06-15 Photoelectric functional material and preparation method thereof Active CN108745335B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810620883.4A CN108745335B (en) 2018-06-15 2018-06-15 Photoelectric functional material and preparation method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810620883.4A CN108745335B (en) 2018-06-15 2018-06-15 Photoelectric functional material and preparation method thereof

Publications (2)

Publication Number Publication Date
CN108745335A true CN108745335A (en) 2018-11-06
CN108745335B CN108745335B (en) 2020-09-25

Family

ID=63978177

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201810620883.4A Active CN108745335B (en) 2018-06-15 2018-06-15 Photoelectric functional material and preparation method thereof

Country Status (1)

Country Link
CN (1) CN108745335B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113828291A (en) * 2021-09-14 2021-12-24 淮阴工学院 Composite photocatalyst with full-spectrum absorption characteristic and preparation method thereof

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102284279A (en) * 2010-06-18 2011-12-21 中国石油化工股份有限公司 Attapulgite/silicon dioxide composite powder and preparation method thereof
CN102827496A (en) * 2012-09-17 2012-12-19 张家港楚人新材料科技有限公司 Method for packaging and modifying surface of substance
CN105217677A (en) * 2015-10-27 2016-01-06 镇江纳微新材料科技有限公司 A kind of take attapulgite clay as the method for Template preparation titanium nanotube
CN105396550A (en) * 2015-12-27 2016-03-16 常州亚环环保科技有限公司 Preparation method of gasoline discoloring agent namely nano SiO2 loaded attapulgite
CN106221434A (en) * 2016-07-29 2016-12-14 蒋文兰 Her green mixed-layer clay photocatalytic spray liquid can be cleaned

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102284279A (en) * 2010-06-18 2011-12-21 中国石油化工股份有限公司 Attapulgite/silicon dioxide composite powder and preparation method thereof
CN102827496A (en) * 2012-09-17 2012-12-19 张家港楚人新材料科技有限公司 Method for packaging and modifying surface of substance
CN105217677A (en) * 2015-10-27 2016-01-06 镇江纳微新材料科技有限公司 A kind of take attapulgite clay as the method for Template preparation titanium nanotube
CN105396550A (en) * 2015-12-27 2016-03-16 常州亚环环保科技有限公司 Preparation method of gasoline discoloring agent namely nano SiO2 loaded attapulgite
CN106221434A (en) * 2016-07-29 2016-12-14 蒋文兰 Her green mixed-layer clay photocatalytic spray liquid can be cleaned

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113828291A (en) * 2021-09-14 2021-12-24 淮阴工学院 Composite photocatalyst with full-spectrum absorption characteristic and preparation method thereof
CN113828291B (en) * 2021-09-14 2023-08-22 淮阴工学院 Composite photocatalyst with full spectrum absorption characteristic and preparation method thereof

Also Published As

Publication number Publication date
CN108745335B (en) 2020-09-25

Similar Documents

Publication Publication Date Title
CN105618153B (en) A kind of silicon titanium dioxide polypyrrole three-dimensional bionic composite and application based on level assembling
Zhang et al. Design of a plasmonic micromotor for enhanced photo-remediation of polluted anaerobic stagnant waters
CN102350094B (en) Oil and water separator based on micron-nano hiberarchy net membrane and application method thereof
CN103387395B (en) Hollow ceramic microsphere and preparation method of hollow ceramic microsphere
CN109576986A (en) A kind of multilayer that bombax cotton/manganese dioxide is constructed is from driving tubulose micro-nano motor and preparation method thereof
CN103641165A (en) Method for preparing titanium dioxide nanotube by using natural mineral as formwork
CN107162047B (en) A kind of preparation method of titanium dioxide hollow ball
CN104475116B (en) The preparation method of the iron sesquioxide nanometer stick array that stannic oxide nano wire is modified
CN105129849A (en) Flowerlike nano-sized titanium dioxide material and template-free preparation method thereof
CN108745335A (en) Photoelectric functional material and preparation method thereof
CN110201655A (en) A kind of one-step method prepares hollow TiO2The method and application of nanosphere
CN108178521A (en) A kind of sequential 2 D porous nano silica antireflective coating with hydrophobic effect
CN102616837B (en) Method for preparing NH4TiOF3 powder
CN205361347U (en) Reation kettle of real mineral varnish production usefulness
CN105655078A (en) Magnetic composite material with core-shell structure and preparation method thereof
CN102718255A (en) Preparation method of titanium dioxide hollow nano structure
CN105198004B (en) A kind of Fe3O4‑SnO2Nano composite material and preparation method thereof
CN110127757A (en) A kind of brookite type titanium dioxide and its preparation method and application
CN105801162B (en) A kind of preparation method of pyrite tailing ceramsite propping agent
CN105905909B (en) The method of mesoporous silicon and preparation method thereof, photodissociation aquatic products hydrogen
CN1448371A (en) Synthetic method of mesopore metallic oxide, mixed metallic oxide and metallic phosphate serial microballons using mesopore carbon microballons as form
CN105152208B (en) Synthetic method of colorful TiO2 microsphere and application of colorful TiO2 microsphere
CN106145184A (en) One has the high activity { TiO of 111} exposure high preferred orientation2the preparation method of microsphere
CN1171957C (en) Paint containing color ore powder
CN110054222A (en) It is a kind of to prepare mesoporous single crystals TiO2The method of nanoparticle

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant