Metal-free and metallated polymers: Properties and photovoltaic performance

Annie Ng, Cheuk Lam HO, Man Kin Fung, Ye Chuan Sun, Shu Yan Shao, Ying Ying Fu, Alan Man Ching Ng, Chi Ho Li, Wai Kei Cheung, Yu Hang Leung, Aleksandra B. Djurišić*, Qiwei Wang, Ze He, Xingzhu Wang, Wai Kin Chan, Zhi Yuan Xie, Juan Antonio Zapien, Chap Hang To, Wai Yeung WONG

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

11 Citations (Scopus)

Abstract

We have studied the properties of organic and organometallic polymers based on a similar chemical structure to elucidate the influence of the metal center on the optical and electronic properties of the polymers as well as their photovoltaic performance. Detailed characterization of the optical properties of both polymers is performed and film morphology and photovoltaic performance are compared. Metal-containing polymers exhibit red-shifted absorption and under optimal processing conditions exhibit different film morphology compared with the metal-free ones. Our results indicate that organometallic polymers represent a promising class of compounds for improved performance in photovoltaic cells. Full Paper: Optical and photovoltaic properties of Pt-containing (P1) and metal-free (P1 MF) polymers with similar structures are investigated (see Figure). It is found that incorporation of metal results not only in an additional absorption band but also results in changes in the film morphology and phase separation, and hence a significant improvement in the photovoltaic performance.

Original languageEnglish
Pages (from-to)1300-1310
Number of pages11
JournalMacromolecular Chemistry and Physics
Volume213
Issue number13
DOIs
Publication statusPublished - 13 Jul 2012

Scopus Subject Areas

  • Condensed Matter Physics
  • Physical and Theoretical Chemistry
  • Organic Chemistry
  • Polymers and Plastics
  • Materials Chemistry

User-Defined Keywords

  • Alkyne
  • Metallopolymer
  • Photovoltaics
  • Solar cell
  • Transition metal

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