Controllable fabrication of ternary ZnIn2S4 nanosheet array film for bulk heterojunction solar cells

Huimin JIA, Weiwei HE, Yan LEI, Xuewu CHEN, Yong XIANG, Shu ZHANG, Woon Ming LAU, Zhi ZHENG*

*Corresponding author for this work

Research output: Journal PublicationsJournal Article (refereed)peer-review

24 Citations (Scopus)

Abstract

Large-scale uniform ternary ZnIn2S4 nanosheet array films have been grown on indium-tin oxide (ITO) glass substrates effectively by a simple direct elemental reaction route. Inorganic-organic bulk heterojunction photovoltaic devices were fabricated with ZnIn2S4 film as an electron acceptor and poly (2-methoxy-5-(2/-ethylhexoxy)-1,4-phenylene vinylene (MEH-PPV) polymer as electron donor. The formation of the ZnIn 2S4 nanosheet film was characterized by X-ray diffraction (XRD), atomic force microscopy (AFM), scanning electron microscopy (SEM) and UV-VIS-NIR spectroscopy. The as-prepared ZnIn2S4 nanosheet film was demonstrated as an n-type semiconductor exhibiting an apparent photocurrent response and good photostability. The photovoltaic performance of the constructed solar cell device with the active structure of ITO/ZnIn 2S4:MEH-PPV/Au was evaluated at room temperature under AM1.5G (100 mW cm-2) simulated globe sun illumination from a filtered Xenon lamp.

Original languageEnglish
Pages (from-to)8909-8914
Number of pages6
JournalRSC Advances
Volume3
Issue number23
DOIs
Publication statusPublished - 21 Jun 2013
Externally publishedYes

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