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Methyl viologen ligand-based metal-organic hybrid material with photoelectric effect and adsorption property, and application thereof

A technology of photoelectric effect and adsorption characteristics, applied in the direction of 5/15 organic compounds without C-metal bonds, organic chemistry, organic chemical methods, etc., can solve problems such as limiting the scope of application, and achieve the effect of reducing toxicity

Active Publication Date: 2018-12-18
TIANJIN NORMAL UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, traditional metal-organic hybrid solar materials contain lead elements, which limit its application range, so the research on environmentally friendly and stable perovskite materials has become a hot spot now.

Method used

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  • Methyl viologen ligand-based metal-organic hybrid material with photoelectric effect and adsorption property, and application thereof
  • Methyl viologen ligand-based metal-organic hybrid material with photoelectric effect and adsorption property, and application thereof
  • Methyl viologen ligand-based metal-organic hybrid material with photoelectric effect and adsorption property, and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0033] (MV) 4 [Bi 6 Cl 26 ] crystal, the shape of the crystal is a yellow rod-shaped crystal, which has the characteristics of a layered structure at the microscopic level, its space group is P-1, and its unit cell parameter is a=9.409(3)Å ; b=12.656(4)Å; c=19.857(6)Å; α=72.213(6)°; β=76.551(6)°; γ=72.277(6)°, according to the following steps:

[0034] 1) Mix 0.1mL hydroiodic acid 57% (w / w) and 4mL methanol for 30 minutes, then add 0.0624g 4,4'-bipyridine and stir, weigh 0.1261g bismuth chloride and add 1.7mL 35% hydrochloric acid ( w / w), the mixture of the two reactions was transferred to a 23mL reactor, and then 6mL of methanol was added;

[0035] 2) Rise from 25°C to 165°C in 3 hours, keep at 165°C for 16 hours, and finally cool down from 165°C to room temperature 25°C in 11 hours;

[0036] 3) Sample separation method: Transfer the sample in the reaction kettle in the experiment to a 20mL small beaker, draw an appropriate amount of methanol into the beaker with a rubber...

Embodiment 2

[0038] (MV) 4 [Bi 6 Cl 26 ] The method for preparing thin film when preparing photovoltaic device:

[0039] (1) Isolate pure (MV) 4 [Bi 6 Cl 26 ] materials, dried in a drying oven at a temperature of 80°C;

[0040] (2) Using a corundum crucible with a ratio of length to width of 7:3, the (MV) 4 [Bi 6 Cl 26 ] The material is placed at one end of the crucible, and the Nb-SrTiO 3 The substrate (purchased from Hefei Kejing) is placed at the other end of the crucible;

[0041] (3) Put the crucible into the glass tube of the tube furnace so that (MV) 4 [Bi 6 Cl 26 ] One end of the crucible of the material is located in the center of the heating wire;

[0042] (4) The operation and temperature parameters of the tube furnace are set as follows:

[0043] (a) Open the nitrogen bottle and pass nitrogen gas for 3 minutes, so that the air in the glass tube is exhausted,

[0044] (b) The temperature parameter is to increase from room temperature to 300°C for 10 minutes, keep ...

Embodiment 3

[0047] In order to better understand the potential of the present invention to be applied to the photovoltaic industry and optoelectronic devices, the photocurrent test of the material is as follows:

[0048] The experimental design and operation are as follows:

[0049] (1) Place a (MV) on a non-conductive PC board 4 [Bi 6 Cl 26 ] crystal, plate electrodes on both ends of the crystal with conductive silver paste, wait for the silver paste to dry at room temperature, and use a multimeter to confirm that the electrodes are conductive;

[0050] (2) Place the prepared sample on the probe station of the ammeter, and respectively contact the two probes with the two electrodes of the sample, and test the current curve of the material passing through the material at a voltage of 50V under dark conditions. The current curve under dark conditions is as follows: Figure 4 The smooth curve shown in the middle;

[0051] (3) Irradiate the 375nm laser on the surface of the sample, adjus...

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Abstract

The invention discloses a methyl viologen ligand-based metal-organic hybrid material with a photoelectric effect and an adsorption property, and an application thereof, and belongs to the fields of photoelectric materials and environment protection. Comparison between a photoelectric current measured under a dark condition and a photoelectric current measured under the irradiation of 375 nm laserproves that the hybrid material has the photoelectric effect, and has great potential in the fields of the photovoltaic industry, and treatment of organic dyes and reduction of heavy metal pollutionsin environmental protection.

Description

technical field [0001] The invention belongs to the field of optoelectronic materials and environmental protection, and in particular relates to the application of a new lead-free metal-organic hybrid material in the photovoltaic industry, which will be useful in the fields of flexible wearable and portable electronic equipment, photovoltaic building integration, and military affairs Strong application potential. At the same time, the adsorption properties of the present invention in the adsorption of organic dyes and heavy metal ions are expected to be prepared into highly efficient adsorbents, which will play a great role in the optimization of water quality with serious industrial pollution. Background technique [0002] As a sustainable energy source, solar energy has been widely concerned. In order to prepare high-efficiency and low-cost photovoltaic materials to utilize solar energy, organic material solar cells have become a potential photovoltaic technology that can...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01J20/22C02F1/28C07D213/22C07F9/94C02F101/30C02F101/20C02F101/22
CPCB01J20/223C02F1/285C02F2101/20C02F2101/22C02F2101/308C07B2200/13C07D213/22C07F9/005
Inventor 王守宇雷蕴麟
Owner TIANJIN NORMAL UNIVERSITY
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