New Pyridinium Ylide Dyes for Dye Sensitized Solar Cell Applications

Ting Yu Li, Chaochin Su*, Suri Babu Akula, Wei Gang Sun, Hung Ming Chien, Wen Ren Li

*Corresponding author for this work

Research output: Contribution to journalJournal Article peer-review

36 Scopus citations

Abstract

Novel organic pyridinium ylide sensitizers (NO109-111) consisting of various anchoring groups were synthesized and characterized for applications in dye sensitized solar cells. Compared with the pyridine-N-oxide dye (NO108), the ylide sensitizers with strong electron-withdrawing acceptors exhibited dominant ultraviolet absorption properties and efficient binding abilities to the TiO2 surface. Among these dyes, the pyridinium ylide NO111 sensitized solar cell showed the highest efficiency (5.15%), which was improved to 7.41% by employing coadsorbent chenodeoxycholic acid.

Original languageEnglish
Pages (from-to)3386-3389
Number of pages4
JournalOrganic Letters
Volume18
Issue number14
DOIs
StatePublished - 15 07 2016
Externally publishedYes

Bibliographical note

Publisher Copyright:
© 2016 American Chemical Society.

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