Achieving high efficiency silicon-carbon nanotube heterojunction solar cells by acid doping

Yi Jia; Anyuan Cao; Xi Bai; Zhen Li; Luhui Zhang; Ning Guo; Jinquan Wei; Kunlin Wang; Hongwei Zhu; Dehai Wu; P. M. Ajayan

doi:10.1021/nl2002632

Achieving high efficiency silicon-carbon nanotube heterojunction solar cells by acid doping

Yi Jia, Anyuan Cao, Xi Bai, Zhen Li, Luhui Zhang, Ning Guo, Jinquan Wei, Kunlin Wang, Hongwei Zhu, Dehai Wu, P. M. Ajayan

Research output: Contribution to journal › Article › peer-review

232 Scopus citations

Abstract

Various approaches to improve the efficiency of solar cells have followed the integration of nanomaterials into Si-based photovoltaic devices. Here, we achieve 13.8% efficiency solar cells by combining carbon nanotubes and Si and doping with dilute HNO₃. Acid infiltration of nanotube networks significantly boost the cell efficiency by reducing the internal resistance that improves fill factor and by forming photoelectrochemical units that enhance charge separation and transport. Compared to conventional Si cells, the fabrication process is greatly simplified, simply involving the transfer of a porous semiconductor-rich nanotube film onto an n-type crystalline Si wafer followed by acid infiltration.

Original language	English
Pages (from-to)	1901-1905
Number of pages	5
Journal	Nano Letters
Volume	11
Issue number	5
DOIs	https://doi.org/10.1021/nl2002632
State	Published - 11 May 2011
Externally published	Yes

Keywords

Carbon nanotube
acid doping
photoelectrochemical cells
solar cell

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

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10.1021/nl2002632

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title = "Achieving high efficiency silicon-carbon nanotube heterojunction solar cells by acid doping",

abstract = "Various approaches to improve the efficiency of solar cells have followed the integration of nanomaterials into Si-based photovoltaic devices. Here, we achieve 13.8% efficiency solar cells by combining carbon nanotubes and Si and doping with dilute HNO3. Acid infiltration of nanotube networks significantly boost the cell efficiency by reducing the internal resistance that improves fill factor and by forming photoelectrochemical units that enhance charge separation and transport. Compared to conventional Si cells, the fabrication process is greatly simplified, simply involving the transfer of a porous semiconductor-rich nanotube film onto an n-type crystalline Si wafer followed by acid infiltration.",

keywords = "Carbon nanotube, acid doping, photoelectrochemical cells, solar cell",

author = "Yi Jia and Anyuan Cao and Xi Bai and Zhen Li and Luhui Zhang and Ning Guo and Jinquan Wei and Kunlin Wang and Hongwei Zhu and Dehai Wu and Ajayan, {P. M.}",

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TY - JOUR

T1 - Achieving high efficiency silicon-carbon nanotube heterojunction solar cells by acid doping

AU - Jia, Yi

AU - Cao, Anyuan

AU - Bai, Xi

AU - Li, Zhen

AU - Zhang, Luhui

AU - Guo, Ning

AU - Wei, Jinquan

AU - Wang, Kunlin

AU - Zhu, Hongwei

AU - Wu, Dehai

AU - Ajayan, P. M.

PY - 2011/5/11

Y1 - 2011/5/11

N2 - Various approaches to improve the efficiency of solar cells have followed the integration of nanomaterials into Si-based photovoltaic devices. Here, we achieve 13.8% efficiency solar cells by combining carbon nanotubes and Si and doping with dilute HNO3. Acid infiltration of nanotube networks significantly boost the cell efficiency by reducing the internal resistance that improves fill factor and by forming photoelectrochemical units that enhance charge separation and transport. Compared to conventional Si cells, the fabrication process is greatly simplified, simply involving the transfer of a porous semiconductor-rich nanotube film onto an n-type crystalline Si wafer followed by acid infiltration.

AB - Various approaches to improve the efficiency of solar cells have followed the integration of nanomaterials into Si-based photovoltaic devices. Here, we achieve 13.8% efficiency solar cells by combining carbon nanotubes and Si and doping with dilute HNO3. Acid infiltration of nanotube networks significantly boost the cell efficiency by reducing the internal resistance that improves fill factor and by forming photoelectrochemical units that enhance charge separation and transport. Compared to conventional Si cells, the fabrication process is greatly simplified, simply involving the transfer of a porous semiconductor-rich nanotube film onto an n-type crystalline Si wafer followed by acid infiltration.

KW - Carbon nanotube

KW - acid doping

KW - photoelectrochemical cells

KW - solar cell

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U2 - 10.1021/nl2002632

DO - 10.1021/nl2002632

M3 - 文章

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SN - 1530-6984

VL - 11

SP - 1901

EP - 1905

JO - Nano Letters

JF - Nano Letters

IS - 5

ER -

Achieving high efficiency silicon-carbon nanotube heterojunction solar cells by acid doping

Abstract

Keywords

UN SDGs

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