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Localized states and quantum effect of photo-generated carriers in photovoltaic system
Wei-Qi Huang;  Shi-Rong Liu;  Zhong-Mei Huang;  Xue-Ke Wu;  Chao-Jian Qin
2017
发表期刊Scientfic Repotts
页码1-9
摘要

We have fabricated the multiple nanolayers impuritied on silicon pillars for Si solar cells to pick up photons in ultraviolet and infrared region of solar spectra, in which the localized states originated from nanosilicon doped with oxygen are built to avoid Auger recombination, and some interesting quantum phenomena in the localized states have been observed. The quantum effect of photo-generated carriers has been observed in I-V curve measurement on the photovoltaic sample prepared in oxygen by using nanosecond pulsed laser. More interesting, the twin states of quantum vibration are measured in the localized states originated from the impuritied nanosilicon, which provides a stable reservoir for electrons in the photovaltaic system. It should be noted that the amplitude change of the quantum vibration occurs under magnetic field with 0.33T on the sample prepared in oxygen, owing to the electron spin in the localized states. The photoluminescence (PL) spectra measured from 300 nm to 1700 nm exhibit the localized states in various regions in the photovoltaic system, in which the electrons can stand in the localized states with longer lifetime to be uneasy into Auger recombination.

收录类别SCI
语种英语
文献类型期刊论文
条目标识符http://ir.gyig.ac.cn/handle/42920512-1/8069
专题矿床地球化学国家重点实验室
作者单位1.Institute of Nanophotonic Physics, Guizhou University, Guiyang, 550025, China
2.State key laboratory of Surface Physics, Key Laboratory of Micro and Nano Photonic Structures (Ministry of Education) and Department of Physics, Fudan University, Shanghai, 200433, China
3.State Key Laboratory of Ore Deposit Geochemistry Institute of Geochemistry, Chinese Academy of Science Institute of Geochemistry, Guiyang, 550003, China
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Wei-Qi Huang;Shi-Rong Liu;Zhong-Mei Huang;Xue-Ke Wu;Chao-Jian Qin. Localized states and quantum effect of photo-generated carriers in photovoltaic system[J]. Scientfic Repotts,2017:1-9.
APA Wei-Qi Huang;Shi-Rong Liu;Zhong-Mei Huang;Xue-Ke Wu;Chao-Jian Qin.(2017).Localized states and quantum effect of photo-generated carriers in photovoltaic system.Scientfic Repotts,1-9.
MLA Wei-Qi Huang;Shi-Rong Liu;Zhong-Mei Huang;Xue-Ke Wu;Chao-Jian Qin."Localized states and quantum effect of photo-generated carriers in photovoltaic system".Scientfic Repotts (2017):1-9.
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