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American Chemical Society, Nano Letters, 12(9), p. 4338-4342, 2009

DOI: 10.1021/nl902581k

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Hybrid Heterojunction and Photoelectrochemistry Solar Cell Based on Silicon Nanowires and Double-Walled Carbon Nanotubes

Journal article published in 2009 by Qinke Shu, Jinquan Wei, Kunlin Wang, Hongwei Zhu, Zhen Li ORCID, Yi Jia, Xuchun Gui, Ning Guo, Xinming Li ORCID, Chaoran, Chaoran Ma, Others, Dehai Wu
This paper is available in a repository.
This paper is available in a repository.

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Abstract

A hybrid solar cell model composed of a heterojunction cell and a photoelectrochemical (PEC) cell has been proposed and characterized. In the hybrid cell, a thin film of double-walled carbon nanotubes forms a heterojunction with the silicon nanowire (SiNW) array and also functions as the transparent counter electrode of the PEC cell. The cell performance can be readily tuned by controlling the SiNW density. Under AM 1.5G illumination, a power conversion efficiency of 1.29%, higher than those reported for SiNW array-based PEC cells, has been obtained.