Carrier trapping and recombination: the role of defect physics in enhancing the open circuit voltage of metal halide perovskite solar cells

Leijtens, Tomas; E. Eperon, Giles; J. Barker, Alex; Grancini, Giulia; Zhang, Wei; M. Ball, James; Ram Srimath Kandada, Ajay; J. Snaith, Henry; Petrozza, Annamaria

doi:10.1039/c6ee01729k

Public

Carrier trapping and recombination: the role of defect physics in enhancing the open circuit voltage of metal halide perovskite solar cells

Published in Energy & Environmental Science • Jan 1, 2016

Authors:

Tomas Leijtens

Giles E. Eperon

Alex J. Barker

Abstract

We show that trapped electrons recombine with free holes unexpectedly slowly, on microsecond time scales, relaxing the limit on obtainable open circuit voltage.

Subject

Perovskite (structure)

Halide

Trapping

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