636588-79-9Relevant articles and documents
Novel conjugated copolymers with dithienyl and cyclopentadithienyl substituted dicyanoethene acceptor blocks
Drozdov, Fedor V.,Luponosov, Yuriy N.,Svidchenko, Evgeniya A.,Peregudova, Svetlana M.,Dmitryakov, Petr V.,Chvalun, Sergei N.,Ponomarenko, Sergei A.
, p. 561 - 563 (2019)
Novel bifunctional acceptor monomer, 2-[bis(5-bromothiophen-2-yl)methylidene]malononitrile, is obtained in three steps in a total yield of 79%. The Stille cross-coupling between this monomer and 2,6-ditin derivative of 4,4-didecyl-4H-silolo[3,2-b: 4,5-b′]dithiophene afforded donor–acceptor polymer whose properties were compared to the analogue containing a planar cyclopenta[2,1-b: 3,4-b′]dithiophene acceptor block. The copolymers have low narrow optical band gaps and effectively absorb visible light, however the former possesses improved solubility and thermal stability as compared to the latter.
A star-shaped cyclopentadithiophene-based dopant-free hole-transport material for high-performance perovskite solar cells
Lee, Kun-Mu,Yang, Jui-Yu,Lai, Ping-Sheng,Luo, Ke-Jyun,Yang, Ting-Yu,Liau, Kang-Ling,Abate, Seid Yimer,Lin, Yan-Duo
supporting information, p. 6444 - 6447 (2021/07/02)
A new cyclopentadithiophene (CPDT)-based organic small molecule serves as an efficient dopant-free hole transport material (HTM) for perovskite solar cells (PSCs). Upon incorporation of two carbazole groups, the resulting CPDT-based HTM (C-CPDT) shows an impressive power conversion efficiency (PCE) of 19.68% with better stability compared with those of spiro-OMeTAD.
A two-thieno cyclopentanone compound and its preparation method and application (by machine translation)
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Paragraph 0065; 0066; 0067, (2018/08/03)
The present invention discloses a two-thieno cyclopentanone compound and its preparation method and application, which belongs to the technical field of solar cell. Said two thiophene and cyclopentanone compound, the structure of the formula I as shown: Wherein L1 , L2 Respectively and independently represent a hydrogen atom or R, and L1 , L2 At least one is a R. The invention also discloses the above-mentioned two thiophene and cyclopentanone compound of preparation method and application. The compounds of this invention introduced two fragrant amines group is branched, can make the molecule has space three-dimensional structure, to avoid material crystallization; introduced two thiophene and cyclopentanone can greatly improve the thermal stability of the material. (by machine translation)