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Title: The Spatial Collection Efficiency of Charge Carriers in Photovoltaic and Photoelectrochemical Cells

Abstract

The spatial collection efficiency portrays the driving forces and loss mechanisms in photovoltaic and photoelectrochemical devices. It is defined as the fraction of photogenerated charge carriers created at a specific point within the device that contribute to the photocurrent. In stratified planar structures, the spatial collection efficiency can be extracted out of photocurrent action spectra measurements empirically, with few a priori assumptions. Although this method was applied to photovoltaic cells made of well-understood materials, it has never been used to study unconventional materials such as metal-oxide semiconductors that are often employed in photoelectrochemical cells. This perspective shows the opportunities that this method has to offer for investigating new materials and devices with unknown properties. The relative simplicity of the method, and its applicability to operando performance characterization, makes it an important tool for analysis and design of new photovoltaic and photoelectrochemical materials and devices.

Authors:
; ; ; ; ; ; ; ; ;
Publication Date:
Research Org.:
Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States)
Sponsoring Org.:
USDOE Office of Science (SC), Basic Energy Sciences (BES). Chemical Sciences, Geosciences, and Biosciences Division; Israel Science Foundation; European Union (EU)
OSTI Identifier:
1548821
Alternate Identifier(s):
OSTI ID: 1476628
Grant/Contract Number:  
SC0004993; AC02-05CH11231; 152/11
Resource Type:
Published Article
Journal Name:
Joule
Additional Journal Information:
Journal Name: Joule Journal Volume: 2 Journal Issue: 2; Journal ID: ISSN 2542-4351
Publisher:
Elsevier
Country of Publication:
United States
Language:
English
Subject:
25 ENERGY STORAGE; 36 MATERIALS SCIENCE; 14 SOLAR ENERGY; photocurrent action spectra; quantum efficiency; photovoltaic materials; spatial collection efficiency; solar cells; recombination; charge separation; incident photon-to-current efficiency (IPCE); hematite

Citation Formats

Segev, Gideon, Dotan, Hen, Ellis, David S., Piekner, Yifat, Klotz, Dino, Beeman, Jeffrey W., Cooper, Jason K., Grave, Daniel A., Sharp, Ian D., and Rothschild, Avner. The Spatial Collection Efficiency of Charge Carriers in Photovoltaic and Photoelectrochemical Cells. United States: N. p., 2018. Web. doi:10.1016/j.joule.2017.12.007.
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Segev, Gideon, Dotan, Hen, Ellis, David S., Piekner, Yifat, Klotz, Dino, Beeman, Jeffrey W., Cooper, Jason K., Grave, Daniel A., Sharp, Ian D., & Rothschild, Avner. The Spatial Collection Efficiency of Charge Carriers in Photovoltaic and Photoelectrochemical Cells. United States. https://doi.org/10.1016/j.joule.2017.12.007
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Segev, Gideon, Dotan, Hen, Ellis, David S., Piekner, Yifat, Klotz, Dino, Beeman, Jeffrey W., Cooper, Jason K., Grave, Daniel A., Sharp, Ian D., and Rothschild, Avner. Thu . "The Spatial Collection Efficiency of Charge Carriers in Photovoltaic and Photoelectrochemical Cells". United States. https://doi.org/10.1016/j.joule.2017.12.007.
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@article{osti_1548821,
title = {The Spatial Collection Efficiency of Charge Carriers in Photovoltaic and Photoelectrochemical Cells},
author = {Segev, Gideon and Dotan, Hen and Ellis, David S. and Piekner, Yifat and Klotz, Dino and Beeman, Jeffrey W. and Cooper, Jason K. and Grave, Daniel A. and Sharp, Ian D. and Rothschild, Avner},
abstractNote = {The spatial collection efficiency portrays the driving forces and loss mechanisms in photovoltaic and photoelectrochemical devices. It is defined as the fraction of photogenerated charge carriers created at a specific point within the device that contribute to the photocurrent. In stratified planar structures, the spatial collection efficiency can be extracted out of photocurrent action spectra measurements empirically, with few a priori assumptions. Although this method was applied to photovoltaic cells made of well-understood materials, it has never been used to study unconventional materials such as metal-oxide semiconductors that are often employed in photoelectrochemical cells. This perspective shows the opportunities that this method has to offer for investigating new materials and devices with unknown properties. The relative simplicity of the method, and its applicability to operando performance characterization, makes it an important tool for analysis and design of new photovoltaic and photoelectrochemical materials and devices.},
doi = {10.1016/j.joule.2017.12.007},
journal = {Joule},
number = 2,
volume = 2,
place = {United States},
year = {Thu Feb 01 00:00:00 EST 2018},
month = {Thu Feb 01 00:00:00 EST 2018}
}
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Journal Article:
Free Publicly Available Full Text
Publisher's Version of Record
https://doi.org/10.1016/j.joule.2017.12.007
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Cited by: 29 works
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Works referencing / citing this record:

Effect of Doping and Excitation Wavelength on Charge Carrier Dynamics in Hematite by Time‐Resolved Microwave and Terahertz Photoconductivity
journal, May 2019

  • Kay, Asaf; Fiegenbaum‐Raz, Mor; Müller, Sönke
  • Advanced Functional Materials, Vol. 30, Issue 18
  • DOI: 10.1002/adfm.201901590

Spatial Collection in Colloidal Quantum Dot Solar Cells
journal, November 2019

  • Ouellette, Olivier; Lesage‐Landry, Antoine; Scheffel, Benjamin
  • Advanced Functional Materials, Vol. 30, Issue 1
  • DOI: 10.1002/adfm.201908200

Film Flip and Transfer Process to Enhance Light Harvesting in Ultrathin Absorber Films on Specular Back‐Reflectors
journal, July 2018

  • Kay, Asaf; Scherrer, Barbara; Piekner, Yifat
  • Advanced Materials, Vol. 30, Issue 35
  • DOI: 10.1002/adma.201802781

Irradiation Direction‐Dependent Surface Charge Recombination in Hematite Thin‐Film Oxygen Evolution Photoanodes
journal, October 2019

Hybrid photoelectrochemical and photovoltaic cells for simultaneous production of chemical fuels and electrical power
journal, October 2018

  • Segev, Gideon; Beeman, Jeffrey W.; Greenblatt, Jeffery B.
  • Nature Materials, Vol. 17, Issue 12
  • DOI: 10.1038/s41563-018-0198-y

Understanding charge transfer, defects and surface states at hematite photoanodes
journal, January 2019

  • Zhang, Jifang; Eslava, Salvador
  • Sustainable Energy & Fuels, Vol. 3, Issue 6
  • DOI: 10.1039/c9se00145j
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