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Updated: May 3, 2026

Developing High Performance GaP/Si Heterojunction Solar Cells
Published on: November 16, 2018
Transient photocurrent response of small-molecule bulk heterojunction solar cells
Jason Seifter1, Yanming Sun, Alan J Heeger
1Physics Department, University of California at Santa Barbara, Santa Barbara, CA, 93106, USA.
Abstract:
Transient photocurrent measurements are used to investigate the effects of processing additives on charge transport in small molecule bulk heterojunction solar cells. The additive decreased carrier recombination rates and improved carrier mobility, both of which are beneficial to carrier extraction. Geminate recombination of charge transfer excitons is ruled out by the data.
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