Spirally configured cis-stilbene/fluorene hybrids as bipolar, organic sensitizers for solar cell applications

Wei Shan Chao, Ken Hsien Liao, Chien Tien Chen*, Wei Kai Huang, Chi Ming Lan, Wei-Guang Diau

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

19 Scopus citations

Abstract

Hybrids based on a dibenzosuberene core bearing a spiro-fluorene junction at the C-5 position and with amino donor and β-thiophenyl-α- cyanoacrylic acid acceptor groups at C-3 and C-7, respectively, serve as new organic sensitizer materials for solar cell applications. Solar cell devices based on these materials show a conversion efficiency (η) of up to 6.1% (V oc = 697 mV, J sc = 12.2 mA cm -2, FF = 0.72) under AM 1.5 G conditions. The best IPCE values exceed 75% within the 450-550 nm absorption range.

Original languageEnglish
Pages (from-to)4884-4886
Number of pages3
JournalChemical Communications
Volume48
Issue number40
DOIs
StatePublished - 18 May 2012

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