Diselenogermole as a novel donor monomer for low band gap polymers
Diselenogermole as a novel donor monomer for low band gap polymers
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二硒基摩尔作为低带隙聚合物的新型供体单体
DOI:
10.1039/c4ta05703a
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发表时间:
2015
影响因子:
11.9
通讯作者:
Fei Z
中科院分区:
文献类型:
--
作者:
Fei Z
We report the synthesis of a new diseleno[3,2-b:2′,3′-d]germole (DSG) monomer containing branched 2-ethylhexyl sidechains on the bridging germanium group. The utility of this new electron rich monomer is explored by co-polymerisation of a distannylated DSG monomer with N-octylthienopyrrolodione to afford a soluble low band gap polymer. The DSG containing polymer shows a broader and more red-shifted absorption spectrum compared its thiophene analogue. Polymer solar cells are fabricated from blends with PC71BM exhibiting initial power conversion efficiencies of 5.2% in inverted bulk heterojunction solar cells.
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DOI:
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发表时间:
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期刊:
Chemical communications (Cambridge, England)
影响因子:
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作者:
Fei Z
通讯作者:
Fei Z
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