Photoluminescence and Photoconductivity to Assess Maximum Open-Circuit Voltage and Carrier Transport in Hybrid Perovskites and Other Photovoltaic Materials

Research output: Journal Publications and Reviews (RGC: 21, 22, 62)62_Review of books or of software (or similar publications/items)Not applicablepeer-review

1 Scopus Citations
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Author(s)

  • Ian L. Braly
  • Ryan J. Stoddard
  • Adharsh Rajagopal
  • Alex K.-Y-. Jen
  • Hugh W. Hillhouse

Detail(s)

Original languageEnglish
Pages (from-to)3779-3792
Journal / PublicationJournal of Physical Chemistry Letters
Volume9
Issue number13
Early online date6 Jun 2018
Publication statusPublished - 5 Jul 2018

Abstract

Photovoltaic (PV) device development is much more expensive and time-consuming than the development of the absorber layer alone. This Perspective focuses on two methods that can be used to rapidly assess and develop PV absorber materials independent of device development. The absorber material properties of quasi-Fermi level splitting and carrier diffusion length under steady effective 1 Sun illumination are indicators of a material's ability to achieve high VOC and JSC. These two material properties can be rapidly and simultaneously assessed with steady-state absolute intensity photoluminescence and photoconductivity measurements. As a result, these methods are extremely useful for predicting the quality and stability of PV materials prior to PV device development. Here, we summarize the methods, discuss their strengths and weaknesses, and compare photoluminescence and photoconductivity results with device performance for four hybrid perovskite compositions of various bandgaps (1.35-1.82 eV), CISe, CIGSe, and CZTSe.

Citation Format(s)

Photoluminescence and Photoconductivity to Assess Maximum Open-Circuit Voltage and Carrier Transport in Hybrid Perovskites and Other Photovoltaic Materials. / Braly, Ian L.; Stoddard, Ryan J.; Rajagopal, Adharsh; Jen, Alex K.-Y-.; Hillhouse, Hugh W.

In: Journal of Physical Chemistry Letters, Vol. 9, No. 13, 05.07.2018, p. 3779-3792.

Research output: Journal Publications and Reviews (RGC: 21, 22, 62)62_Review of books or of software (or similar publications/items)Not applicablepeer-review