Localized states and quantum effect of photo-generated carriers in photovoltaic system

Abstract 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 in...

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Autores principales:	Wei-Qi Huang, Shi-Rong Liu, Zhong-Mei Huang, Xue-Ke Wu, Chao-Jian Qin
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2017
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/4e53fec56cc34ee68a25fa3145a521ff
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spelling	oai:doaj.org-article:4e53fec56cc34ee68a25fa3145a521ff2021-12-02T16:08:13ZLocalized states and quantum effect of photo-generated carriers in photovoltaic system10.1038/s41598-017-07663-12045-2322https://doaj.org/article/4e53fec56cc34ee68a25fa3145a521ff2017-08-01T00:00:00Zhttps://doi.org/10.1038/s41598-017-07663-1https://doaj.org/toc/2045-2322Abstract 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.Wei-Qi HuangShi-Rong LiuZhong-Mei HuangXue-Ke WuChao-Jian QinNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 7, Iss 1, Pp 1-9 (2017)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q 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
description	Abstract 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.
format	article
author	Wei-Qi Huang Shi-Rong Liu Zhong-Mei Huang Xue-Ke Wu Chao-Jian Qin
author_facet	Wei-Qi Huang Shi-Rong Liu Zhong-Mei Huang Xue-Ke Wu Chao-Jian Qin
author_sort	Wei-Qi Huang
title	Localized states and quantum effect of photo-generated carriers in photovoltaic system
title_short	Localized states and quantum effect of photo-generated carriers in photovoltaic system
title_full	Localized states and quantum effect of photo-generated carriers in photovoltaic system
title_fullStr	Localized states and quantum effect of photo-generated carriers in photovoltaic system
title_full_unstemmed	Localized states and quantum effect of photo-generated carriers in photovoltaic system
title_sort	localized states and quantum effect of photo-generated carriers in photovoltaic system
publisher	Nature Portfolio
publishDate	2017
url	https://doaj.org/article/4e53fec56cc34ee68a25fa3145a521ff
work_keys_str_mv	AT weiqihuang localizedstatesandquantumeffectofphotogeneratedcarriersinphotovoltaicsystem AT shirongliu localizedstatesandquantumeffectofphotogeneratedcarriersinphotovoltaicsystem AT zhongmeihuang localizedstatesandquantumeffectofphotogeneratedcarriersinphotovoltaicsystem AT xuekewu localizedstatesandquantumeffectofphotogeneratedcarriersinphotovoltaicsystem AT chaojianqin localizedstatesandquantumeffectofphotogeneratedcarriersinphotovoltaicsystem
_version_	1718384592996532224

Localized states and quantum effect of photo-generated carriers in photovoltaic system

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