Organic modified copper-sulfur two-dimensional semiconductor material and applications
A two-dimensional semiconductor, copper-sulfur technology, applied in semiconductor devices, semiconductor/solid-state device manufacturing, organic chemistry, etc., can solve the problem that there is no way to obtain ultra-thin structures
Pending Publication Date: 2022-02-01
UNIV OF JINAN
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In addition, some scientists reported that using alkylthiols with long alkyl chains as organic ligands, a copper-sulfur layered structure with better quantum well effect was obtained. However, the material contains two layers of copper atoms, so it has no way to obtain super thin structure
The linkage and thickness control of layered organocopper chalcogenides remains a challenging task; in particular, stabilizing ultrathin copper-sulfur monolayers with multiple linkages has not been reported so far.
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[0009] We chose cuprous iodide and 5-chloro-2-mercaptopyridine as raw materials, water and acetonitrile as solvents, and obtained single crystal of compound [Cu(CMP)] under solvothermal conditions. Its crystal structure was determined by single crystal X-ray diffraction, infrared, elemental analysis and X-ray photoelectron spectroscopy.
[0010] The organically modified copper-sulfur nano-single-layer hybrid semiconductor material [Cu(CMP)] provided by the present invention has a nano-single-layer structure assembled through copper-sulfur coordination bonds and copper-copper interaction between copper and sulfur atoms in the structure, and the thickness is thin Based on the reported inorganic copper-sulfur and modified copper-sulfur structures; the synthesis of this material provides a new idea to prepare ultra-thin two-dimensional materials using multiple bonds, and the idea is simple to operate; the copper-sulfur single-layer semiconductor micron The thin films prepared from...
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Abstract
The invention relates to an organic modified copper-sulfur two-dimensional semiconductor and photoelectric application. The invention aims to provide a semiconductor material with an ultrathin copper-sulfur single layer and a method for constructing a two-dimensional material in a double bond type. By selecting cuprous iodide and 5-chloro-2-mercaptopyridine as reaction raw materials, a crystalline state material of [Cu (CMP)] is prepared through in-situ self-loading under a solvothermal condition, and a uniform micron sheet of the crystalline state material is generated. Herein, a thin film device prepared from the micron sheet shows excellent orientation, remarkably enhanced light dark current response and good light response stability, and can be used for photoelectric conversion and light detection of ultraviolet and visible regions by utilizing the characteristics of the micron sheet.
Description
technical field [0001] The invention relates to a two-dimensional hybrid semiconductor material, in particular to the synthesis and application of an organically modified copper-sulfur monolayer semiconductor material [Cu(CMP)] (CMP = 5-chloro-2-mercaptopyridine). Background technique [0002] Two-dimensional semiconducting materials with ultrathin structures, such as graphene oxide, black phosphorus, and layered metal sulfides, are an attractive class of materials that exhibit outstanding optical, electrical, and mechanical properties for optoelectronic devices and biological applications. There are potential applications in the medical field. The electrical structure of the material determines the electronic transport and optical properties of the two-dimensional semiconductor material, which is an important characteristic of the material. The electrical structure is mainly affected by the thickness of the two-dimensional semiconductor material and the bonding relationshi...
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IPC IPC(8): C07D213/70H01L51/46G01J1/42
CPCC07D213/70G01J1/42C07B2200/13H10K85/371
Inventor 刘广宁李明坤许让栋周梦洁蔡瑞芸尤作江
Owner UNIV OF JINAN