Communication

Photovoltaic Efficiency Enhancement by the Generation of an Embedded Silica-Like Passivation Layer along the P3HT/PCBM Interface Using an Asymmetric Block-Copolymer Additive

  1. Mingu Han1,
  2. Hyungsoo Kim1,
  3. Hyungtak Seo2,
  4. Biwu Ma3,
  5. Ji-Woong Park1,*

Article first published online: 13 SEP 2012

DOI: 10.1002/adma.201201994

Issue

Advanced Materials

Advanced Materials

Volume 24, Issue 47, pages 6311–6317, December 11, 2012

Additional Information

How to Cite

Han, M., Kim, H., Seo, H., Ma, B. and Park, J.-W. (2012), Photovoltaic Efficiency Enhancement by the Generation of an Embedded Silica-Like Passivation Layer along the P3HT/PCBM Interface Using an Asymmetric Block-Copolymer Additive. Adv. Mater., 24: 6311–6317. doi: 10.1002/adma.201201994

Author Information

  1. 1

    School of Materials Science and Engineering, Gwangju Institute of Science and Technology, 261 Cheomdan-gwagiro, Buk-gu, Gwangju, 500-712, Korea

  2. 2

    Department of Materials Science and Engineering, Ajou University, San 5, Woncheon-dong, Yeongtong-gu, Suwon, 443-749, Korea

  3. 3

    The Molecular Foundry, Lawrence Berkeley National Laboratory, One Cyclotron Road, Berkeley, California 94720, USA

*School of Materials Science and Engineering, Gwangju Institute of Science and Technology, 261 Cheomdan-gwagiro, Buk-gu, Gwangju, 500-712, Korea.

Publication History

  1. Issue published online: 6 DEC 2012
  2. Article first published online: 13 SEP 2012
  3. Manuscript Revised: 9 AUG 2012
  4. Manuscript Received: 18 MAY 2012

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Keywords:

  • P3HT/PCBM;
  • polymer solar cells;
  • rod-coil diblock copolymers;
  • passivation layers;
  • hole-blocking layers
Thumbnail image of graphical abstract

A new approach to improve the power conversion efficiency of polymer bulk-heterojunction solar cells is demonstrated by generating a silica-like passivation layer embedded along the three-dimensionally intertwined interfaces between the nanoscopic domains of P3HT and PCBM by addition of an aymmetric block copolymer containing a short organo-silica precursor.

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