DTT-DDQ Mixed-Stack Organic Charge-Transfer Crystals with Near-Infrared Absorption

被引:0
作者
Friday, Madeline J. [1 ]
Kelley, Emma M. [1 ]
Perez, Alyssa [1 ]
Johnston, Dean H. [2 ]
Mauck, Catherine M. [1 ]
机构
[1] Kenyon Coll, Dept Chem, Gambier, OH 43022 USA
[2] Otterbein Univ, Dept Chem, Westerville, OH 43081 USA
关键词
TRANSFER COMPLEXES; ELECTRONIC-PROPERTIES; ACCEPTOR; DITHIENOTHIOPHENE; CONDUCTIVITY; SPECTRA; DESIGN; BENZOTHIENOBENZOTHIOPHENE; CHROMOPHORES; MOLECULES;
D O I
10.1021/acs.cgd.4c01156
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
Dithieno[3,2-b:2 ',3 '-d]thiophene (DTT) is a common molecular motif in organic electronics. We find that it forms a 1:1 charge-transfer complex (CTC) with the electron acceptor 2,3-dichloro-5,6-dicyano-1,4-benzoquinone (DDQ). The 1:1 complex has an alternating donor/acceptor mixed-stack structure, and an intense near-infrared absorption band. Vibrational spectroscopy and electronic structure calculations are used to further understand the partial ionization induced by the DTT/DDQ complex.
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页码:9984 / 9993
页数:10
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