skip to main content

DOE PAGESDOE PAGES

Title: Design principles for shift current photovoltaics

While the basic principles of conventional solar cells are well understood, little attention has gone towards maximizing the efficiency of photovoltaic devices based on shift currents. Furthermore, by analysing effective models, here we outline simple design principles for the optimization of shift currents for frequencies near the band gap. This method allows us to express the band edge shift current in terms of a few model parameters and to show it depends explicitly on wavefunctions in addition to standard band structure. We use our approach to identify two classes of shift current photovoltaics, ferroelectric polymer films and single-layer orthorhombic monochalcogenides such as GeS, which display the largest band edge responsivities reported so far. Moreover, exploring the parameter space of the tight-binding models that describe them we find photoresponsivities that can exceed 100 mA W -1 . Our results illustrate the great potential of shift current photovoltaics to compete with conventional solar cells.
Authors:
 [1] ;  [2] ;  [2] ;  [3] ;  [4]
  1. Univ. of California, Berkeley, CA (United States). Dept. of Physics; Univ. of Toronto, ON (Canada). Dept. of Physics
  2. Univ. of California, Berkeley, CA (United States). Dept. of Physics
  3. Univ. of California, Riverside, CA (United States). Mechanical Engineering, Materials Science and Engineering; Univ. of California, Berkeley, CA (United States). Dept. of Physics
  4. Univ. of California, Berkeley, CA (United States). Dept. of Physics; Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States)
Publication Date:
Grant/Contract Number:
AC02-05CH11231; DMR-1206515
Type:
Accepted Manuscript
Journal Name:
Nature Communications
Additional Journal Information:
Journal Volume: 8; Journal ID: ISSN 2041-1723
Publisher:
Nature Publishing Group
Research Org:
Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States)
Sponsoring Org:
USDOE Office of Science (SC), Basic Energy Sciences (BES) (SC-22); National Science Foundation (NSF)
Country of Publication:
United States
Language:
English
Subject:
14 SOLAR ENERGY; electronic properties and materials; electronic structure; materials for energy and catalysis
OSTI Identifier:
1413717

Cook, Ashley M., M. Fregoso, Benjamin, de Juan, Fernando, Coh, Sinisa, and Moore, Joel E.. Design principles for shift current photovoltaics. United States: N. p., Web. doi:10.1038/ncomms14176.
Cook, Ashley M., M. Fregoso, Benjamin, de Juan, Fernando, Coh, Sinisa, & Moore, Joel E.. Design principles for shift current photovoltaics. United States. doi:10.1038/ncomms14176.
Cook, Ashley M., M. Fregoso, Benjamin, de Juan, Fernando, Coh, Sinisa, and Moore, Joel E.. 2017. "Design principles for shift current photovoltaics". United States. doi:10.1038/ncomms14176. https://www.osti.gov/servlets/purl/1413717.
@article{osti_1413717,
title = {Design principles for shift current photovoltaics},
author = {Cook, Ashley M. and M. Fregoso, Benjamin and de Juan, Fernando and Coh, Sinisa and Moore, Joel E.},
abstractNote = {While the basic principles of conventional solar cells are well understood, little attention has gone towards maximizing the efficiency of photovoltaic devices based on shift currents. Furthermore, by analysing effective models, here we outline simple design principles for the optimization of shift currents for frequencies near the band gap. This method allows us to express the band edge shift current in terms of a few model parameters and to show it depends explicitly on wavefunctions in addition to standard band structure. We use our approach to identify two classes of shift current photovoltaics, ferroelectric polymer films and single-layer orthorhombic monochalcogenides such as GeS, which display the largest band edge responsivities reported so far. Moreover, exploring the parameter space of the tight-binding models that describe them we find photoresponsivities that can exceed 100 mA W -1 . Our results illustrate the great potential of shift current photovoltaics to compete with conventional solar cells.},
doi = {10.1038/ncomms14176},
journal = {Nature Communications},
number = ,
volume = 8,
place = {United States},
year = {2017},
month = {1}
}

Works referenced in this record:

Generalized Gradient Approximation Made Simple
journal, October 1996
  • Perdew, John P.; Burke, Kieron; Ernzerhof, Matthias
  • Physical Review Letters, Vol. 77, Issue 18, p. 3865-3868
  • DOI: 10.1103/PhysRevLett.77.3865

High-quality bulk hybrid perovskite single crystals within minutes by inverse temperature crystallization
journal, July 2015
  • Saidaminov, Makhsud I.; Abdelhady, Ahmed L.; Murali, Banavoth
  • Nature Communications, Vol. 6, Article No. 7586
  • DOI: 10.1038/ncomms8586

Thermoelectric Cooling and Power Generation
journal, July 1999

First Principles Calculation of the Shift Current Photovoltaic Effect in Ferroelectrics
journal, September 2012

Van der Waals heterostructures
journal, July 2013
  • Geim, A. K.; Grigorieva, I. V.
  • Nature, Vol. 499, Issue 7459, p. 419-425
  • DOI: 10.1038/nature12385

Efficient inorganic–organic hybrid heterojunction solar cells containing perovskite compound and polymeric hole conductors
journal, May 2013
  • Heo, Jin Hyuck; Im, Sang Hyuk; Noh, Jun Hong
  • Nature Photonics, Vol. 7, Issue 6, p. 486-491
  • DOI: 10.1038/nphoton.2013.80

Extraordinary Sunlight Absorption and One Nanometer Thick Photovoltaics Using Two-Dimensional Monolayer Materials
journal, July 2013
  • Bernardi, Marco; Palummo, Maurizia; Grossman, Jeffrey C.
  • Nano Letters, Vol. 13, Issue 8, p. 3664-3670
  • DOI: 10.1021/nl401544y

Detailed Balance Limit of Efficiency of p‐n Junction Solar Cells
journal, March 1961
  • Shockley, William; Queisser, Hans J.
  • Journal of Applied Physics, Vol. 32, Issue 3, p. 510-519
  • DOI: 10.1063/1.1736034