Luminescent Polythiophene‐Based Main‐Chain Polyoxometalate‐Containing Conjugated Polymers with Improved Solar‐Cell Performance. Issue 4 (8th January 2015)

• Record Type: Journal Article
• Authors: Wang, Ruixin; Li, Yong; Shetye, Kuldeep; Dutta, Tanmoy; Jin, Lu; Li, Shaohua; Peng, Zhonghua
• Is Part Of: European journal of inorganic chemistry. Issue 4(2015)
• Page Start: 656
• Page End: 663
• Publication Date: 2015-01-08
• Subjects: Polyoxometalates -- Polymers -- Molecular devices -- Conducting materials -- Solar cells; Chemistry, Inorganic -- Periodicals; Organometallic chemistry -- Periodicals; Bioinorganic chemistry -- Periodicals; Solid state chemistry -- Periodicals; 546
• DOI: 10.1002/ejic.201402839
• Languages: English
• ISSNs: 1434-1948

Abstract

Abstract: New polythiophene‐based hybrid conjugated polymers (P2 andP3 ) containing different amounts of hexamolybdate clusters, which are covalently embedded in the main chain, were successfully synthesized by using the Stille coupling reaction. These soluble hybrid polymers show absorptions in the 400–550 nm range in dilute solutions, which extend beyond 700 nm in thin films. The hybrid polymers are moderately fluorescent in dilute solutions, and the embedded polyoxometalates only partially quench the backbone fluorescence. Simple single‐layer photovoltaic cells with a device configuration of ITO/PEDOT:PSS/(P2 orP3 )/Ca/Al were fabricated, and a power conversion efficiency of 0.24 % was obtained forP2, which is among the highest values reported for POM‐containing hybrid polymers including hybrid diblock copolymers. Abstract : The first polythiophene‐based main‐chain polyoxometalate‐containing conjugated polymer, synthesized by using the Stille polycondensation reaction, exhibits good photovoltaic properties.