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Copper iodine hybrid semiconductor material and photoelectric application thereof

A technology of hybrid materials and semiconductors, which is applied in semiconductor devices, semiconductor/solid-state device manufacturing, photovoltaic power generation, etc., to achieve the effects of simple synthesis conditions, excellent photoelectric conversion performance, and high stability

Inactive Publication Date: 2019-07-26
UNIV OF JINAN
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This research result indicates the potential application prospect of copper iodine-based materials in the field of photovoltaics; however, the synthesis of hybrid copper iodine-based semiconductor materials with photoelectric response is still a great challenge

Method used

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  • Copper iodine hybrid semiconductor material and photoelectric application thereof
  • Copper iodine hybrid semiconductor material and photoelectric application thereof
  • Copper iodine hybrid semiconductor material and photoelectric application thereof

Examples

Experimental program
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Embodiment Construction

[0021] (1) Compound (Mebtz) 2 Cu 3 I 5 Synthesis

[0022] Put 0.048 g CuI and 0.166 g KI into a polyperfluoroethylene propylene reaction bag in a 25 mL polytetrafluoroethylene liner, add 1 mL hydroiodic acid, 3 mL methanol, 3 mL acetonitrile and 200 μL benzothiazole , and then put the polytetrafluoroethylene liner into a stainless steel reaction kettle, tighten it and place it in a 140 ℃ oven to heat it, and keep it at this temperature for three days, then cool it to room temperature, and get dark green transparent needle-shaped crystals after washing with ethanol , which is the compound (Mebtz) 2 Cu 3 I 5 . The purity and yield of crystals obtained under the above reaction conditions are relatively high.

[0023] (2) Effect of light on semiconductor performance

[0024] Mix 5 mg of well-ground (Mebtz) 2 Cu 2 I 3 The powder was dispersed in 0.5 mL of ethanol, 40 μL of Nafion solution was added, ultrasonic treatment was performed for 30 minutes, 3.5 μL of the dispers...

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Abstract

The invention discloses a copper iodine-based inorganic-organic hybrid semiconductor material and a preparation method and an application thereof. The structural formula of the hybrid semiconductor molecule is (Mebtz)2Cu3I5, wherein Mebtz is a methylated benzothiazole cation with a positive charge, and the Cu3I5 anion in the material is a one-dimensional anion chain formed by alternately connecting binuclear (Cu2I6) units and planar triangles (CuI3). By selecting cuprous iodide, benzothiazole, potassium iodide, methanol, acetonitrile and hydroiodic acid as reaction raw materials, a single crystal of the compound (Mebtz)2Cu3I5 is obtained under a solvothermal condition, which is used in the fields of photoelectric detection and solar cell materials.

Description

technical field [0001] The invention relates to the field of hybrid semiconductor materials, in particular to a copper iodine-based hybrid semiconductor material (Mebtz) 2 Cu 3 I 5 For its optoelectronic applications, where Mebtz is a methylated benzothiazole. Background technique [0002] In recent years, in order to solve the increasingly serious energy and environmental problems, people have turned their attention to the development and utilization of new energy. Solar energy is an inexhaustible renewable and clean energy. In the effective use of solar energy, solar photovoltaic technology is the fastest growing and most dynamic research field in recent years, and has attracted the attention of researchers. Among them, perovskite solar cells have received more and more research attention, and the research on the structure of perovskite solar cells and the performance of light absorbers has also become the foreword and hotspot of research. [0003] Hybrid metal halide...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C07F1/08H01L51/46
CPCC07F1/08H10K85/371Y02E10/549
Inventor 许让栋刘广宁赵若愚王洋洋吴倩李村成
Owner UNIV OF JINAN
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