Negative photoconductivity in low-dimensional materials |
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| Authors: | Boyao Cui Yanhui Xing Jun Han Weiming Lv Wenxing Lv Ting Lei Yao Zhang Haixin Ma Zhongming Zeng Baoshun Zhang |
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| Affiliation: | (Key Laboratory of Opto-electronics Technology,Ministry of Education,Department of Informatics,Beijing University of Technology,Beijing 100124,China;Key Laboratory of Multifunctional Nanomaterials and Smart Systems,Suzhou Institute of Nano-Tech and Nano-Bionics,Chinese Academy of Sciences,Suzhou 215123,China) |
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| Abstract: | In recent years, low-dimensional materials have received extensive attention in the field of electronics and optoelectronics. Among them, photoelectric devices based on photoconductive effect in low-dimensional materials have a broad development space. In contrast to positive photoconductivity, negative photoconductivity(NPC) refers to a phenomenon that the conductivity decreases under illumination. It has novel application prospects in the field of optoelectronics, memory,and gas detection, etc. In this paper, we review reports about the NPC effect in low-dimensional materials and systematically summarize the mechanisms to form the NPC effect in existing low-dimensional materials. |
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