Selective Electron‐ or Hole‐Transport Enhancement in Bulk‐Heterojunction Organic Solar Cells with N‐ or B‐Doped Carbon Nanotubes
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- 30 November 2010
- journal article
- research article
- Published by Wiley in Advanced Materials
- Vol. 23 (5), 629-633
- https://doi.org/10.1002/adma.201003296
Abstract
Doping improves performance. N- or B-doped carbon nanotubes (CNTs) uniformly dispersed in the active layer of P3HT/PCMB (poly (3-hexylthiophene/[6,6]-phenyl-C61-butyric acid methyl ester) bulk-heterojunction solar cells selectively enhance electron or hole transport and eventually help carrier collection. Specifically, the incorporation of 1.0 wt% B-doped CNTs results in balanced electron and hole transport and accomplishes a power conversion efficiency improvement from 3.0% (without CNTs) to 4.1%.Keywords
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