Panchromatic light harvesting by N719 with a porphyrin molecule for high-performance dye-sensitized solar cells

Shuai Chang, Hongda Wang, Lawrence Tien Lin Lee, Shizhao Zheng, Quan Li, King Young Wong, Wai Kwok Wong, Xunjin Zhu, Wai Yeung Wong, Xudong Xiao, Tao Chen

Research output: Journal article publicationJournal articleAcademic researchpeer-review

23 Citations (Scopus)

Abstract

We report efficient panchromatic light harvesting by co-adsorption of a porphyrin molecule and N719 in dye-sensitized solar cells. The co-sensitized device shows a considerably enhanced power conversion efficiency of 8.89%, while those individually sensitized by porphyrin and N719 display efficiencies of 7.21% and 8.02%, respectively. The porphyrin-sensitized device shows strong photocurrent generation in the Soret and Q bands, while N719 shows efficient spectral response in the 500-600 nm range; the combination of these two kinds of dye molecules displays a strong spectral response in the full-colour region. Mechanistic investigations are carried out by various spectral and electrochemical characterizations. This journal is
Original languageEnglish
Pages (from-to)3521-3526
Number of pages6
JournalJournal of Materials Chemistry C
Volume2
Issue number18
DOIs
Publication statusPublished - 14 May 2014
Externally publishedYes

ASJC Scopus subject areas

  • Chemistry(all)
  • Materials Chemistry

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