Efficient Benzodithiophene/Benzothiadiazole‐Based n‐Channel Charge Transporters | Zendy

SandovalTorrientes Rafael | Zendy; Calbo Joaquín | Zendy; Matsuda Wakana | Zendy; Choi Wookjin | Zendy; Santos José | Zendy; Seki Shu | Zendy; Ortí Enrique | Zendy; Martín Nazario | Zendy

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Efficient Benzodithiophene/Benzothiadiazole‐Based n‐Channel Charge Transporters

Author(s) -

SandovalTorrientes Rafael,

Calbo Joaquín,

Matsuda Wakana,

Choi Wookjin,

Santos José,

Seki Shu,

Ortí Enrique,

Martín Nazario

Publication year - 2017

Publication title -

chempluschem

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.801

H-Index - 61

ISSN - 2192-6506

DOI - 10.1002/cplu.201700047

Subject(s) - charge (physics) , chemistry , transporter , combinatorial chemistry , materials science , biochemistry , physics , gene , quantum mechanics

Abstract A series of donor–acceptor (D‐A) small molecules based on electron‐deficient benzothiadiazole (BTD) and electron‐rich benzodithiophene (BDT) featuring an A‐D‐A structure is presented. Exhaustive spectroscopic, electrochemical, and computational studies evidence their electroactive nature and their ability to form well‐ordered thin films with broad visible absorptions and low band gaps (ca. 2 eV). Time‐resolved microwave conductivity (TRMC) studies unveil unexpected n‐type charge transport displaying high electron mobilities around 0.1 cm 2 V −1 s −1 . Efficient electron transport properties are consistent with the low electron reorganization energies (0.11–0.17 eV) theoretically predicted.

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