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Title: Printed assemblies of GaAs photoelectrodes with decoupled optical and reactive interfaces for unassisted solar water splitting

Journal Article · · Nature Energy
 [1]; ORCiD logo [2];  [1];  [2];  [1];  [1];  [1];  [2];  [3]
  1. Univ. of Southern California, Los Angeles, CA (United States). Dept. of Chemical Engineering and Materials Science
  2. National Renewable Energy Lab. (NREL), Golden, CO (United States)
  3. Univ. of Southern California, Los Angeles, CA (United States). Dept. of Chemical Engineering and Materials Science; Univ. of Southern California, Los Angeles, CA (United States). Dept. of Electrical Engineering

Despite their excellent photophysical properties and record-high solar-to-hydrogen conversion efficiency, the high cost and limited stability of III-V compound semiconductors prohibit their practical application in solar-driven photoelectrochemical water splitting. Here in this paper we present a strategy for III-V photocatalysis that can circumvent these difficulties via printed assemblies of epitaxially grown compound semiconductors. A thin film stack of GaAs-based epitaxial materials is released from the growth wafer and printed onto a non-native transparent substrate to form an integrated photocatalytic electrode for solar hydrogen generation. The heterogeneously integrated electrode configuration together with specialized epitaxial design serve to decouple the material interfaces for illumination and electrocatalysis. Subsequently, this allows independent control and optimization of light absorption, carrier transport, charge transfer, and material stability. Using this approach, we construct a series-connected wireless tandem system of GaAs photoelectrodes and demonstrate 13.1% solar-to-hydrogen conversion efficiency of unassisted-mode water splitting.

Research Organization:
National Renewable Energy Laboratory (NREL), Golden, CO (United States)
Sponsoring Organization:
USDOE Office of Energy Efficiency and Renewable Energy (EERE), Sustainable Transportation Office. Hydrogen Fuel Cell Technologies Office; National Science Foundation (NSF)
Grant/Contract Number:
AC36-08GO28308
OSTI ID:
1351865
Report Number(s):
NREL/JA-5900-66906
Journal Information:
Nature Energy, Vol. 2, Issue 5; ISSN 2058-7546
Publisher:
Nature Publishing GroupCopyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 92 works
Citation information provided by
Web of Science

References (49)

A silicon-based photocathode for water reduction with an epitaxial SrTiO3 protection layer and a nanostructured catalyst journal December 2014
Adaptive semiconductor/electrocatalyst junctions in water-splitting photoanodes journal December 2013
Thermodynamic stabilities of semiconductor electrodes journal May 1979
Electrochemical Photolysis of Water at a Semiconductor Electrode journal July 1972
A taxonomy for solar fuels generators journal January 2015
Nanostructured Silicon Photocathodes for Solar Water Splitting Patterned by the Self-Assembly of Lamellar Block Copolymers journal November 2015
Quantitative analysis of the levelized cost of electricity of commercial scale photovoltaics systems in the US journal September 2016
Dramatically Enhanced Performance of Flexible Micro-VCSELs via Thermally Engineered Heterogeneous Composite Assemblies journal March 2015
Powering the planet: Chemical challenges in solar energy utilization journal October 2006
Translation of device performance measurements to reference conditions journal September 1986
Printable Nanostructured Silicon Solar Cells for High-Performance, Large-Area Flexible Photovoltaics journal October 2014
Flexible concentrator photovoltaics based on microscale silicon solar cells embedded in luminescent waveguides journal June 2011
Recent theoretical progress in the development of photoanode materials for solar water splitting photoelectrochemical cells journal January 2015
Semiconductor electrodes. 48. Photooxidation of halides and water on n-silicon protected with silicide layers journal January 1983
40% efficient metamorphic GaInP∕GaInAs∕Ge multijunction solar cells journal April 2007
GaAs photovoltaics and optoelectronics using releasable multilayer epitaxial assemblies journal May 2010
Solar-to-hydrogen efficiency: shining light on photoelectrochemical device performance journal January 2016
Methods for comparing the performance of energy-conversion systems for use in solar fuels and solar electricity generation journal January 2015
Design guidelines for concentrated photo-electrochemical water splitting devices based on energy and greenhouse gas yield ratios journal January 2015
High-Performance Silicon Photoanodes Passivated with Ultrathin Nickel Films for Water Oxidation journal November 2013
A monolithically integrated, intrinsically safe, 10% efficient, solar-driven water-splitting system based on active, stable earth-abundant electrocatalysts in conjunction with tandem III–V light absorbers protected by amorphous TiO 2 films journal January 2015
Design principles for maximizing photovoltage in metal-oxide-protected water-splitting photoanodes journal October 2015
Spectroscopic Characterization of Mixed Fe–Ni Oxide Electrocatalysts for the Oxygen Evolution Reaction in Alkaline Electrolytes journal July 2012
Epitaxial lift-off process for gallium arsenide substrate reuse and flexible electronics journal March 2013
p-Type InP Nanopillar Photocathodes for Efficient Solar-Driven Hydrogen Production journal September 2012
Efficient solar water splitting by enhanced charge separation in a bismuth vanadate-silicon tandem photoelectrode journal July 2013
A monolithic device for solar water splitting based on series interconnected thin film absorbers reaching over 10% solar-to-hydrogen efficiency journal January 2013
Atomic layer-deposited tunnel oxide stabilizes silicon photoanodes for water oxidation journal June 2011
Water reduction by a p-GaInP2 photoelectrode stabilized by an amorphous TiO2 coating and a molecular cobalt catalyst journal December 2015
Amorphous TiO2 coatings stabilize Si, GaAs, and GaP photoanodes for efficient water oxidation journal May 2014
Artificial Photosynthesis for Sustainable Fuel and Chemical Production journal January 2015
Electrode Reaction of GaAs Metal Semiconductor Field-Effect Transistors in Deionized Water journal January 1993
Solar Water Splitting Cells journal November 2010
Extreme selectivity in the lift‐off of epitaxial GaAs films journal December 1987
A High Yield Synthesis of Ligand-Free Iridium Oxide Nanoparticles with High Electrocatalytic Activity journal February 2011
Anodic Deposition of Colloidal Iridium Oxide Thin Films from Hexahydroxyiridate(IV) Solutions journal June 2011
A Monolithic Photovoltaic-Photoelectrochemical Device for Hydrogen Production via Water Splitting journal April 1998
Technical and economic feasibility of centralized facilities for solar hydrogen production via photocatalysis and photoelectrochemistry journal January 2013
Photoelectrochemical etching of p ‐GaAs journal July 1981
Wafer bonded four-junction GaInP/GaAs//GaInAsP/GaInAs concentrator solar cells with 44.7% efficiency: Wafer bonded four-junction concentrator solar cells with 44.7% efficiency journal January 2014
Solar Energy Supply and Storage for the Legacy and Nonlegacy Worlds journal November 2010
Surface Composition of n-GaAs Cathodes during Hydrogen Evolution Characterized by In Situ Ultraviolet-Visible Ellipsometry and In Situ Infrared Spectroscopy journal January 1998
Low overvoltage electrocatalysts for hydrogen evolving electrodes☆ journal January 1982
Nickel oxide functionalized silicon for efficient photo-oxidation of water journal January 2012
High Performance Ultrathin GaAs Solar Cells Enabled with Heterogeneously Integrated Dielectric Periodic Nanostructures journal September 2015
Carbon-doped GaAs single junction solar microcells grown in multilayer epitaxial assemblies journal June 2013
Amorphous Si Thin Film Based Photocathodes with High Photovoltage for Efficient Hydrogen Production journal October 2013
Crystalline silicon photovoltaics: a cost analysis framework for determining technology pathways to reach baseload electricity costs journal January 2012
p-Type InP Nanopillar Photocathodes for Efficient Solar-Driven Hydrogen Production journal September 2012

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Tungsten Trioxide Nanostructures for Photoelectrochemical Water Splitting: Material Engineering and Charge Carrier Dynamic Manipulation journal March 2019
Photoelectrocatalytic Materials for Solar Water Splitting journal May 2018
Tailored TiO 2 Protection Layer Enabled Efficient and Stable Microdome Structured p‐GaAs Photoelectrochemical Cathodes journal January 2020
Printed assemblies of microscale triple‐junction inverted metamorphic GaInP/GaAs/InGaAs solar cells journal March 2019
Crystalline TiO2 protective layer with graded oxygen defects for efficient and stable silicon-based photocathode journal September 2018
High performance III-V photoelectrodes for solar water splitting via synergistically tailored structure and stoichiometry journal July 2019
An efficient and stable photoelectrochemical system with 9% solar-to-hydrogen conversion efficiency via InGaP/GaAs double junction journal November 2019
Conductive layer protected and oxide catalyst-coated thin-film silicon solar cell as an efficient photoanode journal January 2017
Toward practical solar hydrogen production – an artificial photosynthetic leaf-to-farm challenge journal January 2019
Thin film photoelectrodes for solar water splitting journal January 2019
Si photocathode with Ag-supported dendritic Cu catalyst for CO 2 reduction journal January 2019
Unassisted visible solar water splitting with efficient photoelectrodes sensitized by quantum dots synthesized via an environmentally friendly eutectic solvent-mediated approach journal January 2018
Efficiency and stability of narrow-gap semiconductor-based photoelectrodes journal January 2019
Quasi-hydrophilic black silicon photocathodes with inverted pyramid arrays for enhanced hydrogen generation journal January 2020
A methodological review on material growth and synthesis of solar-driven water splitting photoelectrochemical cells journal January 2019
Integration of electrocatalysts with silicon microcone arrays for minimization of optical and overpotential losses during sunlight-driven hydrogen evolution journal January 2019
Long-term stability studies of a semiconductor photoelectrode in three-electrode configuration journal January 2019
Stretchable, skin-conformal microscale surface-emitting lasers with dynamically tunable spectral and directional selectivity journal January 2019
Photoelectrochemical cells for solar hydrogen production: Challenges and opportunities journal August 2019
Surface chemistry and photoelectrochemistry—Case study on tantalum nitride journal October 2019
Semiconductor nanoheterostructures for photoconversion applications journal January 2020
Nanostructured LaFeO 3 Photocathodes with Onset Potentials for the Hydrogen Evolution Reaction Over 1.4 V vs. RHE journal January 2019