Observation of Significant enhancement in the efficiency of a DSSC by InN nanoparticles over TiO2-nanoparticle films

Tsai Te Wang, P. Raghunath, Yun Fang Lu, Yu Chang Liu, Chwei Huawn Chiou, Ming-Chang Lin

Research output: Contribution to journalArticle

10 Scopus citations

Abstract

We have studied the effect of InN deposited over TiO2 nanoparticle (NP) films on the performance of dye-sensitized solar cells (DSSCs) using N3 dye with I-/I3- electrolyte. A 10-20% increase in efficiency was observed for InN deposited, N3 sensitized 5-8.5 μm thick TiO2 films as compared to similar non-treated films. The deposition of InN was carried out in the temperature range of 573-723 K organometallic chemical vapor deposition (OMCVD). Spectral shifts and DFT calculations with a model anchoring group (R′COOH) both suggest binding of the N3 dye directly to both InN and the InN/TiO2 sites.

Original languageEnglish
Pages (from-to)126-130
Number of pages5
JournalChemical Physics Letters
Volume510
Issue number1-3
DOIs
StatePublished - 24 Jun 2011

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