Photoelectric conversion device

Abstract

The invention relates to a photoelectric conversion device which comprises a photoelectric conversion module. The photoelectric conversion module comprises a carbon nanotube structure and a coverage structure, the carbon nanotube structure comprises at least one carbon nanotube, the carbon nanotube comprises a semiconductor type carbon nanotube segment and two metallic carbon nanotube segments connected to the two ends of the semiconductor type carbon nanotube segment respectively, and the coverage structure covers part of the semiconductor type carbon nanotube segment, namely a coverage area.

Description

technical field [0001] The invention relates to the technical field of carbon nanotubes, in particular to a photoelectric conversion device prepared by using carbon nanotubes. Background technique [0002] Carbon nanotubes have attracted extensive attention due to their excellent properties such as high Young's modulus, tensile strength, and high thermal conductivity. [0003] In the single-walled carbon nanotubes prepared by the traditional chemical vapor deposition method, the ratio of metallic carbon nanotubes and semiconducting carbon nanotubes is about 1:2. In order to obtain semiconducting carbon nanotubes with higher purity, in the past two decades, after continuous research on the thermodynamics and kinetics of carbon nanotubes, people have been able to grow semiconducting carbon with a purity of 97% by CVD. nanotube. [0004] However, it is still not possible to directly grow semiconducting carbon nanotubes with higher purity. At the same time, in the prior art, ...

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Problems solved by technology

[0004] However, it is still not possible to directly grow semiconducting carbon nanotubes with higher purity.

At the same time, in the prior art, the chirality of carbon nanotubes cannot be arbitrarily changed during the growth of carbon nanotubes, that is, carbon nanotubes cannot form carbon nanotubes with alternating semiconducting carbon nanotube segments and metallic carbon nanotube segments as required during the growth process. nanotube

At the same time, it is impossible to apply the above-mentioned carbon nanotubes with alternating semiconducting carbon nanotube segments and metallic carbon nanotube segments to carbon nanotube structures and applications of carbon nanotube structures, such as thin film transistors, photodetectors, Photoelectric conversion module, etc.

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