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Title: Substantial bulk photovoltaic effect enhancement via nanolayering

Journal Article · · Nature Communications
DOI:https://doi.org/10.1038/ncomms10419· OSTI ID:1242985
 [1];  [2];  [1];  [1];  [1]
  1. Univ. of Pennsylvania, Philadelphia, PA (United States)
  2. United States Naval Research Lab., Washington, DC (United States)

Spontaneous polarization and inversion symmetry breaking in ferroelectric materials lead to their use as photovoltaic devices. However, further advancement of their applications are hindered by the paucity of ways of reducing bandgaps and enhancing photocurrent. By unravelling the correlation between ferroelectric materials’ responses to solar irradiation and their local structure and electric polarization landscapes, here we show from first principles that substantial bulk photovoltaic effect enhancement can be achieved by nanolayering PbTiO3 with nickel ions and oxygen vacancies ((PbNiO2)x(PbTiO3)1–x). The enhancement of the total photocurrent for different spacings between the Ni-containing layers can be as high as 43 times due to a smaller bandgap and photocurrent direction alignment for all absorption energies. This is due to the electrostatic effect that arises from nanolayering. Lastly, this opens up the possibility for control of the bulk photovoltaic effect in ferroelectric materials by nanoscale engineering of their structure and composition.

Research Organization:
Univ. of Pennsylvania, Philadelphia, PA (United States)
Sponsoring Organization:
USDOE Office of Science (SC), Basic Energy Sciences (BES)
Grant/Contract Number:
FG02-07ER46431
OSTI ID:
1242985
Journal Information:
Nature Communications, Vol. 7; ISSN 2041-1723
Publisher:
Nature Publishing GroupCopyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 58 works
Citation information provided by
Web of Science

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Cited By (21)

Energy Harvesting Research: The Road from Single Source to Multisource journal June 2018
Anomalous Photovoltaic Effect in Centrosymmetric Ferroelastic BiVO 4 journal September 2018
A Photoferroelectric Perovskite-Type Organometallic Halide with Exceptional Anisotropy of Bulk Photovoltaic Effects journal April 2016
Ferroelectric Oxides for Solar Energy Conversion, Multi‐Source Energy Harvesting/Sensing, and Opto‐Ferroelectric Applications journal May 2019
Shift current bulk photovoltaic effect in polar materials—hybrid and oxide perovskites and beyond journal August 2016
Shift current photovoltaic effect in a ferroelectric charge-transfer complex journal August 2017
Tunable metal-insulator transition, Rashba effect and Weyl Fermions in a relativistic charge-ordered ferroelectric oxide journal February 2018
Colossal mid-infrared bulk photovoltaic effect in a type-I Weyl semimetal journal March 2019
Predicted bulk photovoltaic effect in hydrogenated Zintl compounds journal January 2018
Piezo–pyro–photoelectric effects induced coupling enhancement of charge quantity in BaTiO 3 materials for simultaneously scavenging light and vibration energies journal January 2019
High performance bulk photovoltaics in narrow-bandgap centrosymmetric ultrathin films journal January 2020
Photo-sensitizing thin-film ferroelectric oxides using materials databases and high-throughput calculations journal January 2019
Epitaxial ferroelectric oxide thin films for optical applications journal December 2018
Quantitative relationship between polarization differences and the zone-averaged shift photocurrent journal August 2017
Enhancement of the Bulk Photovoltaic Effect in Topological Insulators journal June 2016
Optical Writing of Magnetic Properties by Remanent Photostriction journal September 2016
Large Bulk Photovoltaic Effect and Spontaneous Polarization of Single-Layer Monochalcogenides journal August 2017
A Photoferroelectric Perovskite-Type Organometallic Halide with Exceptional Anisotropy of Bulk Photovoltaic Effects journal April 2016
Enhancement of bulk photovoltaic effect in topological insulators text January 2015
Quantitative relationship between polarization differences and the zone-averaged shift photocurrent text January 2017
Predicted bulk photovoltaic effect in hydrogenated Zintl compounds text January 2017

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