94023-52-6Relevant academic research and scientific papers
Synthesis and photovoltaic properties of copolymers based on benzo[1,2-b:4,5-b′]dithiophene and thiophene with electron-withdrawing side chains
Nie, Yujuan,Zhao, Bin,Tang, Peng,Jiang, Peng,Tian, Zongfang,Shen, Ping,Tan, Songting
experimental part, p. 3604 - 3614 (2012/05/05)
Six alternating conjugated copolymers (PL1-PL6) of benzo[1,2-b:4,5- b′]dithiophene (BDT) and thiophene, containing electron-withdrawing oxadiazole (OXD), ester, or alkyl as side chains, were synthesized by Stille coupling reaction. The structures of the polymers were confirmed, and their thermal, optical, electrochemical, and photovoltaic properties were investigated. The introduction of conjugated electron-withdrawing OXD or formate ester side chain benefits to decrease the bandgaps of the polymers and improve the photovoltaic performance due to the low steric hindrance of BDT. Bulk heterojunction polymer solar cells (PSCs) were fabricated based on the blend of the as-synthesized polymers and the fullerene derivative [6,6]-phenyl-C 61-butyric acid methyl ester (PC61BM) in a 1:2 weight ratio. The maximum power conversion efficiency of 2.06% was obtained for PL5-based PSC under the illumination of AM 1.5, 100 mW/cm2.
Synthesis of functionalized thiophenes for the preparation of conducting polymer films with complexing properties
Brembilla,Collard,Henry,Jadamiec,Lapkowski,Matlengiewicz,Rodehueser
, p. 723 - 734 (2007/10/03)
Four series of novel substituted thiophenes (Schiff bases, esters, amides, and amino acids) have been synthesized and tested for their ability to form conducting polymer films via cyclic voltammetry in order to obtain electrochemical sensors for metal cations. The influence of the nature and size of the substituents on the electropolymerizability of the monomers has been studied. Copyright Taylor & Francis Group, LLC.
