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首页> 外文期刊>ACS Omega >Benzo[b]selenophene/thieno[3,2-b]indole-Based N,S,Se-Heteroacenes for Hole-Transporting Layers
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Benzo[b]selenophene/thieno[3,2-b]indole-Based N,S,Se-Heteroacenes for Hole-Transporting Layers

机译:苯并[B]硒/噻吩[3,2-B]基于吲哚N,S,Se-异丙烯酮用于空穴输送层

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Two series of new N,S,Se-heteroacenes, namely, 6H -benzo[4′,5′]selenopheno[2′,3′:4,5]thieno[3,2-b ]indoles and 12H -benzo[4″,5″]selenopheno[2″,3″:4′,5′]thieno[2′,3′4,5]thieno[3,2-b ]indoles, were successfully obtained using an effective strategy based on Fiesselmann thiophene and Fischer indole synthesis. The new molecules exhibit a large optical band gap (2.82 eV < E g) opt) < 3.23 eV) and their highest occupied molecular orbital (HOMO) energy formed by the plane π-core ranges between ?5.2 and ?5.6 eV, with the narrower optical band gap and lower HOMO level corresponding to selenated heteroacenes. In thin solid films of the heteroacenes, hole mobility measured using the conventional CELIV technique ranges between 10~(–5) and 10~(–4) cm~(2)·V~(–1)·s~(–1). All these make the proposed condensed-ring compounds a promising platform for the development of hole-transporting materials applicable in organic electronics.
机译:两种新的n,s,se-异丙烯,即6 h -benzo [4',5'] selenopheno [2',3':4,5]噻ooo[3,2- b ]吲哚和12 h -benzo [4“,5”] Selenopheno [2“,3”:4',5'] Thieno [2',3'4,5] Thieno [3,2- B]吲哚,使用基于Fiesselmann噻吩和Fischer Indole合成的有效策略成功获得。新分子表现出大型光带隙(2.82eV

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