Doping of Fullerenes via Anion-Induced Electron Transfer and Its Implication for Surfactant Facilitated High Performance Polymer Solar Cells

Simple and solution‐processible tetrabutyl‐ammonium salts (TBAX) can dope fullerene and its derivatives to achieve conductive thin films (σ as high as 0.56 S/m). The electron transfer between the anions of TBAXs and n‐type semiconductors induces doping without encountering any harsh activation. Thes...

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Bibliographic Details
Published in:Advanced materials (Weinheim) 2013-08, Vol.25 (32), p.4425-4430
Main Authors: Li, Chang-Zhi, Chueh, Chu-Chen, Ding, Feizhi, Yip, Hin-Lap, Liang, Po-Wei, Li, Xiaosong, Jen, Alex K.-Y.
Format: Article
Language:English
Subjects:
Ammonium Compounds - chemistry
Anions - chemistry
conductivity
Electric Conductivity
Fullerenes - chemistry
interfacial material
n-doping
organic electronics
Semiconductors
Solar Energy
Surface-Active Agents - chemistry
tetrabutyl ammonium anions
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Summary:Simple and solution‐processible tetrabutyl‐ammonium salts (TBAX) can dope fullerene and its derivatives to achieve conductive thin films (σ as high as 0.56 S/m). The electron transfer between the anions of TBAXs and n‐type semiconductors induces doping without encountering any harsh activation. These provide valid support for the surfactant interfacial doping of fullerene in polymer solar cells for enhanced device performance.
ISSN:0935-9648
1521-4095
DOI:10.1002/adma.201300580