Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/26769
Title: Solution-processable graphene oxide as an insulator layer for metal-insulator-semiconductor silicon solar cells
Authors: Liu, CP
Hui, YY
Chen, ZH
Ren, JG
Zhou, Y
Tang, L
Tang, YB
Zapien, JA
Lau, SP 
Issue Date: 2013
Publisher: Royal Society of Chemistry
Source: RSC advances, 2013, v. 3, no. 39, p. 17918-17923 How to cite?
Journal: RSC advances 
Abstract: Development of a high quality but low cost insulating layer is important for its application in photovoltaic cells. In this work, solution processable graphene oxide (GO) thin films were first utilized as an insulating layer to construct MIS silicon solar cells. The efficient water-soluble GO nano-sheets with controlled thickness produced a good contact with the hydrophilic silicon surfaces. The average open circuit voltage (VOC) of the GO incorporated MIS silicon solar cell was increased by 0.2 V, while their power conversion efficiency (PCE) was demonstrated as 88% higher than that of the corresponding Schottky solar cells. The improvement of the device performance in the GO-based MIS silicon solar cell is attributed to the increased built-in potential as well as the reduced interface defect, resulting in reduced carrier recombination. The ability to establish a low-cost and solution-processable insulating layer will open the door for wide application in photovoltaic and other optoelectronic devices.
URI: http://hdl.handle.net/10397/26769
EISSN: 2046-2069
DOI: 10.1039/c3ra42967a
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