CN105524095A - One-dimensional morpholine cadmium complex single crystal and preparation method and application thereof - Google Patents

One-dimensional morpholine cadmium complex single crystal and preparation method and application thereof Download PDF

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CN105524095A
CN105524095A CN201610001172.XA CN201610001172A CN105524095A CN 105524095 A CN105524095 A CN 105524095A CN 201610001172 A CN201610001172 A CN 201610001172A CN 105524095 A CN105524095 A CN 105524095A
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morpholine
mpl
ipa
single crystal
cadmium complex
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王英
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Tianjin University
Tianjin Normal University
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Tianjin Normal University
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    • G01N21/17Systems in which incident light is modified in accordance with the properties of the material investigated
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Abstract

The present invention discloses a one-dimensional morpholine cadmium complex single crystal and a preparation method and application thereof, the structure is shown as [Cd (ipa) (H2O) (mpl)] 2mpl, wherein mpl = morpholine, and ipa = isophthalic acid. The present invention also discloses the preparation method of the single crystal. A normal temperature volatilization method is used, to be more specific, mpl, Cd (NO3) 2.4H2O and ipa are stirred in water for half an hour and then filtered, and the filtrate is volatilized at normal temperature for two weeks to obtain a colorless bulk crystal suitable for X-ray single crystal diffraction, wherein molar ratio of mpl to Cd (NO3) 2.4H2O to ipa is 1: 1: 1. The present invention further discloses application of the one-dimensional morpholine cadmium complex single crystal as a potential fluorescent material in detection of adsorption quantity of a dye or an emitting agent.

Description

One dimension morpholine cadmium complex monocrystalline and preparation method thereof and application
The present invention obtains the subsidy that state natural sciences fund general project (21471113), Tianjin Education Commission general project (20140506) and Tianjin Normal University's Middl-age and youth faculty Academic innovations advance planning item (52XC1401).
Technical field
The invention belongs to organic and Inorganic synthese technical field, relate to one dimension morpholine cadmium complex monocrystalline [Cd (ipa) (H 2o) (mpl)] preparation method of 2mpl and the application as potential fluorescent material, wherein, mpl=morpholine; Ipa=m-phthalic acid.
Background technology
Morpholine class title complex is due to the diversity of its structure, and the advantages such as Modulatory character, outstanding thermostability, all have potential application prospect in multiple fields such as separation, chirality and catalysis, nonlinear optics, molecular recognition.Therefore, as functional molecular material of new generation, the research and development of the synthesis of morpholine class title complex and design, structure and functional performance have become one of Disciplinary Frontiers of functional molecular material scientific development.
The present invention adopts normal temperature volatilization method, i.e. mpl, ipa and Cd (NO 3) 24H 2o filters stir half an hour in water after, and filtrate normal temperature obtains applicable X-ray single crystal diffraction colourless bulk crystal structure after volatilizing two weeks is [Cd (ipa) (H 2o) (mpl)] 2mpl, wherein, mpl=morpholine; Ipa=m-phthalic acid.This title complex also can be used as potential fluorescent material aspect and is applied.
Summary of the invention
Current inventor provides following technical scheme for this reason:
A kind of monocrystalline of one dimension morpholine cadmium complex, it is characterized in that this single crystal structure adopts APEXIICCD single crystal diffractometer, use through graphite monochromatised Mok alpha-ray, λ=0.71073 is incident radiation, point diffraction is collected with ω-2 θ scan mode, obtain unit cell parameters through least-squares refinement, utilize software to solve single crystal data from difference Fourier electron density map:
Its structure is as follows:
[Cd (ipa) (H 2o) (mpl)] 2mpl, wherein
Mpl=morpholine;
Ipa=m-phthalic acid.
The present invention further discloses the preparation method of one dimension morpholine cadmium complex monocrystalline, it is characterized in that it adopts normal temperature volatilization method, by mpl, ipa and Cd (NO 3) 24H 2o filters stir half an hour in water after, and filtrate normal temperature obtains the colourless bulk crystals of applicable X-ray single crystal diffraction after volatilizing two weeks; Wherein mpl:ipa:Cd (NO 3) 2the mol ratio of 4H2O is 1:1:1;
The structure of one dimension morpholine cadmium complex monocrystalline is [Cd (ipa) (H 2o) (mpl)] 2mpl; Wherein, mpl=morpholine; Ipa=m-phthalic acid;
mplipa。
The present invention further discloses one dimension morpholine cadmium complex monocrystalline as the application of potential fluorescent material in the adsorptive capacity detecting dyestuff or luminous agent, and experimental result shows:
(1) complex monocrystal in embodiment 1 has good selectivity and susceptibility to dyestuff, and detectability reaches 0.1ppm.
(2) can detect the luminous agent of trace, detection limit reaches 5.0 μ g/L.
(3) complex monocrystal that prepared by embodiment 1 is 1.4 × 10 for the adsorptive capacity of dyestuff -3mol/cm 2.
The present invention's preferred example:
Morpholine (mpl) (0.1mmol), m-phthalic acid (ipa) (0.1mmol) and Cd (NO 3) 24H 2o (0.1mmol) filters stir half an hour in water (10mL) after, and filtrate normal temperature obtains the colourless bulk crystals of applicable X-ray single crystal diffraction after volatilizing two weeks.Productive rate: 40%.Ultimate analysis (C 20h 32cdN 3o 8) theoretical value (%): C, 43.29; H, 5.81; N, 7.57.Measured value: C, 43.33; H, 5.89; N, 7.52.
The advantage and disadvantage that a kind of one dimension morpholine cadmium complex monocrystalline disclosed by the invention has is:
(1) operation is simple and easy to do.
(2) reaction yield is high, and the purity of products obtained therefrom is high.
(3) the one dimension morpholine cadmium complex monocrystalline prepared by the present invention, production cost is low, and method is easy, is applicable to scale operation.The photoelectric response range problem widening dyestuff can be solved at dyestuff or luminous agent application aspect.
Accompanying drawing explanation
Fig. 1: the crystalline structure figure of complex monocrystal;
Fig. 2: the one-dimensional catenary structure figure of complex monocrystal.
Embodiment
Below in conjunction with embodiment, the present invention is described further, and embodiment is only indicative, never means that it limits the scope of the invention by any way.Raw materials used all have commercially available.All raw materials are all buy from chemical reagents corporation both domestic and external, such as morpholine, m-phthalic acid and Cd (NO 3) 24H 2the raw materials such as O, through continuation purify but directly use.
Embodiment 1
Morpholine (mpl) (0.1mmol), m-phthalic acid (ipa) (0.1mmol) and Cd (NO 3) 24H 2o (0.1mmol) filters stir half an hour in water (10mL) after, and filtrate normal temperature obtains the colourless bulk crystals of applicable X-ray single crystal diffraction after volatilizing two weeks.Productive rate: 40%.Ultimate analysis (C 20h 32cdN 3o 8) theoretical value (%): C, 43.29; H, 5.81; N, 7.57.Measured value: C, 43.33; H, 5.89; N, 7.52.
Embodiment 2
Crystal structure determination adopts APEXIICCD single crystal diffractometer, use through graphite monochromatised Mok alpha-ray, λ=0.71073 is incident radiation, point diffraction is collected with ω-2 θ scan mode, unit cell parameters is obtained through least-squares refinement, software is utilized to solve crystalline structure from difference Fourier electron density map, and through Lorentz lorentz and polarizing effect correction.All H atom are synthesized by difference Fourier and are determined through desirable position calculation.Detailed axonometry data:
Embodiment 3
The concrete instance that dyestuff or luminous agent use
Method: the PARSTAT2273 electrochemical workstation of differentiated pulse volt-ampere (DPV) the curve negotiating Princeton Applied Research Laboratory development of dye solution is measured.The DPV test of solution adopts three-electrode system, and glass-carbon electrode is working electrode, and supporting electrode is platinum plate electrode, homemade Ag/AgNO 3electrode is reference electrode; Electrolytic solution is the acetonitrile solution of 0.1molL-1TBAP.Reduce reversible point to for interior mark with Oxidation of Ferrocene, obtains the correction value between test system and standard hydrogen electrode system.
Monochromatic incident light photoelectric transformation efficiency (IPCE) describes the photoelectric transformation efficiency of DSCs under monochromatic ray effect, is transfer to the electronic number of external circuit and the ratio of incident light subnumber.During measurement, use 500W xenon lamp as light source, the monochromatic ray of incident light under the multifunctional assembled grating spectrograph of WDS-5 type obtains different wave length λ; Monochromatic light exposure, in the light anode of battery, reads current value I by Keithley2400 digital sourcemeter.Monochromatic good fortune illumination is measured by USB4000plug-and-play Miniature optical linear light spectrometer.
Step: in order to definitely understand dyestuff at TiO 2adsorptive capacity on film, complex monocrystal dye sensitization TiO prepared by embodiment 1 2(geometric area is about 1cm to nanometer crystal film 2) be immersed in 10mL0.01molL -1sodium hydroxide methanol solution in spend the night, treat that the absorbancy of attached mensuration solution separated completely by dyestuff.Wash one's face and rinse one's mouth according to absorbancy and molar absorptivity and can calculate the adsorptive capacity of dyestuff on unit surface nanometer crystal film.The adsorptive capacity of this complex monocrystal is 1.4 × 10 -3mol/cm 2.
Result: compared with the methanol solution of dyestuff, complex monocrystal dyestuff is at TiO 2absorption spectrum on film all obviously broadens and red shift.This shows that dye molecule is at TiO 2define the J-aggregate of first also tail.From the principle of work of DSCs, the spectrum broadening that dye aggregation causes and red shift are very favourable for the widening of photoelectric response scope of dyestuff.But meanwhile, dye aggregation cognition reduces its electron injection efficiency greatly, thus causes the degraded performance of DSCs.So, in dye solution, usually add coadsorbent to suppress the gathering of dyestuff.This complex monocrystal is in methanol solution and at TiO 2the fluorometric investigation of the purple solution on membrane electrode adopts 2.5 × 10 -5the methanol solution of mol/L, maximum emission wavelength is positioned at 500nm.
Embodiment 4
One dimension morpholine cadmium complex monocrystalline is as the application preparing luminescent material.
Method: by spectrophotofluorometer, carries out the excitation wavelength of this compound monocrystal (embodiment 1) and the scanning of emission wavelength respectively, selects and determine optimal wavelength.
Conclusion: excitation wavelength and the emission wavelength of this compound are respectively 340nm and 500nm.
Step: one dimension morpholine cadmium complex monocrystalline grinding compressing tablet is become the sheet sample that external diameter is 27mm, thickness is about 3mm, and the sample pool putting into MPF-4 fluorescence spectrophotometer is measured.
Result: the excitation wavelength lambda of this compound ex=340nm, emission wavelength lambda em=500nm.
After the preferred embodiment described in detail, be familiar with this technology personage can be well understood to, do not departing under above-mentioned claim and spirit and can carry out various change and amendment, all above embodiment is done according to technical spirit of the present invention any simple modification, equivalent variations and modification, all belong to the scope of technical solution of the present invention.And the present invention is not also by the restriction of example embodiment in specification sheets.

Claims (3)

1. the monocrystalline of an one dimension morpholine cadmium complex, it is characterized in that this single crystal structure adopts APEXIICCD single crystal diffractometer, use through graphite monochromatised Mok alpha-ray, λ=0.71073 is incident radiation, point diffraction is collected with ω-2 θ scan mode, obtain unit cell parameters through least-squares refinement, utilize software to solve single crystal data from difference Fourier electron density map:
Its structure is as follows:
[Cd (ipa) (H 2o) (mpl)] 2mpl, wherein
Mpl=morpholine;
Ipa=m-phthalic acid.
2. the preparation method of one dimension morpholine cadmium complex monocrystalline described in claim 1, is characterized in that it adopts normal temperature volatilization method, by mpl, ipa, Cd (NO 3) 24H 2o filters stir half an hour in water after, and filtrate normal temperature obtains the colourless bulk crystals of applicable X-ray single crystal diffraction after volatilizing two weeks;
Wherein mpl:ipa:Cd (NO 3) 24H 2the mol ratio of O is 1:1:1;
The structure of one dimension morpholine cadmium complex monocrystalline is [Cd (ipa) (H 2o) (mpl)] 2mpl; Wherein mpl=morpholine; Ipa=m-phthalic acid;
mplipa。
3. one dimension morpholine cadmium complex monocrystalline described in claim 1 is as the application of potential fluorescent material in the adsorptive capacity detecting dyestuff or luminous agent.
CN201610001172.XA 2016-01-05 2016-01-05 One-dimensional morpholine cadmium complex single crystal and preparation method and application thereof Pending CN105524095A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109400893A (en) * 2018-09-21 2019-03-01 皖西学院 The preparation and its application of the two-dimentional micropore cadmium compound in active site

Citations (2)

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Publication number Priority date Publication date Assignee Title
CN104592271A (en) * 2015-02-26 2015-05-06 天津师范大学 Cadmium isophthalate anthracene cyclo-bis(triazolyl) complex used as potential fluorescent material and preparation method of cadmium isophthalate anthracene cyclo-bis(triazolyl) complex
CN104592262A (en) * 2015-02-26 2015-05-06 天津师范大学 Zinc anthracene cyclo-bis(triazolyl) isophthalate complex used as potential fluorescent material and preparation method of zinc anthracene cyclo-bis(triazolyl) isophthalate complex

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104592271A (en) * 2015-02-26 2015-05-06 天津师范大学 Cadmium isophthalate anthracene cyclo-bis(triazolyl) complex used as potential fluorescent material and preparation method of cadmium isophthalate anthracene cyclo-bis(triazolyl) complex
CN104592262A (en) * 2015-02-26 2015-05-06 天津师范大学 Zinc anthracene cyclo-bis(triazolyl) isophthalate complex used as potential fluorescent material and preparation method of zinc anthracene cyclo-bis(triazolyl) isophthalate complex

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H S MOON. ET AL: ""Preparation and one-dimensional coordination structure of the bis(morpholine)dithiocyanatocadmium(II) complex, [Cd(SCN)2(C4H9NO)2]"", 《BULL KOREAN CHEM SOC》 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109400893A (en) * 2018-09-21 2019-03-01 皖西学院 The preparation and its application of the two-dimentional micropore cadmium compound in active site

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