skip to main content
OSTI.GOV title logo U.S. Department of Energy
Office of Scientific and Technical Information

Title: Enhancing Low-Bias Performance of Hematite Photoanodes for Solar Water Splitting by Simultaneous Reduction of Bulk, Interface, and Surface Recombination Pathways

Journal Article · · Advanced Energy Materials
 [1];  [2];  [2];  [3];  [2]
  1. Department of Mechanical Engineering, Stanford University, CA 94305 USA; Department of Materials Science & Engineering and Energy Systems Research, Ajou University, Suwon 443-749 South Korea
  2. Department of Mechanical Engineering, Stanford University, CA 94305 USA
  3. Department of Materials Science & Engineering, Stanford University, CA 94305 USA

Research Organization:
Energy Frontier Research Centers (EFRC) (United States). Center on Nanostructuring for Efficient Energy Conversion (CNEEC)
Sponsoring Organization:
USDOE Office of Science (SC), Basic Energy Sciences (BES)
DOE Contract Number:
SC0001060
OSTI ID:
1370010
Journal Information:
Advanced Energy Materials, Vol. 6, Issue 4; Related Information: CNEEC partners with Stanford University (lead); Carnegie Institution at Stanford; Technical University of Denmark; ISSN 1614-6832
Publisher:
Wiley
Country of Publication:
United States
Language:
English

References (63)

Rapid and Controllable Flame Reduction of TiO 2 Nanowires for Enhanced Solar Water-Splitting journal December 2013
Evolution of Hematite Surface Microtopography Upon Dissolution by Simple Organic Acids journal January 1995
Controlled growth of hematite (α-Fe2O3) nanorod array on fluorine doped tin oxide: Synthesis and photoelectrochemical properties journal September 2011
Photooxidation of Water at α-Fe[sub 2]O[sub 3] Electrodes journal January 1978
Semiconductor Electrodes journal January 1976
Pt-Doped α-Fe 2 O 3 Thin Films Active for Photoelectrochemical Water Splitting journal June 2008
A new hematite photoanode doping strategy for solar water splitting: oxygen vacancy generation journal January 2013
Enhancement in the Performance of Ultrathin Hematite Photoanode for Water Splitting by an Oxide Underlayer journal April 2012
Self-diffusion in α-Fe2O3 natural single crystals journal September 1999
One-Dimensional Quantum-Confinement Effect in α-Fe2O3 Ultrafine Nanorod Arrays journal October 2005
Facile Synthesis of Highly Photoactive α-Fe 2 O 3 -Based Films for Water Oxidation journal August 2011
Understanding the Role of Underlayers and Overlayers in Thin Film Hematite Photoanodes journal October 2014
Identifying champion nanostructures for solar water-splitting journal July 2013
Hematite-based solar water splitting: challenges and opportunities journal January 2011
Charge carrier trapping, recombination and transfer in hematite (α-Fe2O3) water splitting photoanodes journal January 2013
Facile Solution Synthesis of α-FeF 3 ·3H 2 O Nanowires and Their Conversion to α-Fe 2 O 3 Nanowires for Photoelectrochemical Application journal January 2012
Light-Induced Water Splitting with Hematite: Improved Nanostructure and Iridium Oxide Catalysis journal August 2010
Influence of Feature Size, Film Thickness, and Silicon Doping on the Performance of Nanostructured Hematite Photoanodes for Solar Water Splitting journal December 2008
A Ga 2 O 3 underlayer as an isomorphic template for ultrathin hematite films toward efficient photoelectrochemical water splitting journal January 2012
Cathodic shift of onset potential for water oxidation on a Ti 4+ doped Fe 2 O 3 photoanode by suppressing the back reaction journal January 2014
Efficient and Stable Photo-Oxidation of Water by a Bismuth Vanadate Photoanode Coupled with an Iron Oxyhydroxide Oxygen Evolution Catalyst journal January 2012
Physical and photoelectrochemical properties of Zr-doped hematite nanorod arrays journal January 2013
Aqueous photoelectrochemistry of hematite nanorod array journal February 2002
An iron oxide photoanode with hierarchical nanostructure for efficient water oxidation journal January 2014
Nanostructured Ti-doped hematite (α-Fe2O3) photoanodes for efficient photoelectrochemical water oxidation journal October 2014
Highly photoactive Ti-doped α-Fe 2 O 3 thin film electrodes: resurrection of the dead layer journal January 2013
Probing the photoelectrochemical properties of hematite (α-Fe 2 O 3 ) electrodes using hydrogen peroxide as a hole scavenger journal January 2011
Correlating long-lived photogenerated hole populations with photocurrent densities in hematite water oxidation photoanodes journal January 2012
Highly oriented Ge-doped hematite nanosheet arrays for photoelectrochemical water oxidation journal October 2014
Flame synthesis of WO3 nanotubes and nanowires for efficient photoelectrochemical water-splitting journal January 2013
Improving the Efficiency of Hematite Nanorods for Photoelectrochemical Water Splitting by Doping with Manganese journal April 2014
Facile post-growth doping of nanostructured hematite photoanodes for enhanced photoelectrochemical water oxidation journal January 2013
The photoelectrochemistry of niobium doped α-Fe2O3 journal October 1988
Cathodic shift in onset potential of solar oxygen evolution on hematite by 13-group oxide overlayers journal January 2011
Top-Down Fabrication of α-Fe 2 O 3 Single-Crystal Nanodiscs and Microparticles with Tunable Porosity for Largely Improved Lithium Storage Properties journal September 2010
Controlled Aqueous Chemical Growth of Oriented Three-Dimensional Crystalline Nanorod Arrays:  Application to Iron(III) Oxides journal February 2001
Codoping titanium dioxide nanowires with tungsten and carbon for enhanced photoelectrochemical performance journal April 2013
Dynamics of photogenerated holes in nanocrystalline α-Fe 2 O 3 electrodes for water oxidation probed by transient absorption spectroscopy journal January 2011
Solar Water Splitting: Progress Using Hematite (α-Fe2O3) Photoelectrodes journal March 2011
Water Photooxidation by Smooth and Ultrathin α-Fe 2 O 3 Nanotube Arrays journal July 2009
Forming Heterojunctions at the Nanoscale for Improved Photoelectrochemical Water Splitting by Semiconductor Materials: Case Studies on Hematite journal February 2013
Decoupling Feature Size and Functionality in Solution-Processed, Porous Hematite Electrodes for Solar Water Splitting journal October 2010
Self-diffusion and impurity diffusion in oxides journal April 1980
Acid Dissolution of Hematites of Different Morphologies journal June 1993
Photoelectrochemical activity of as-grown, α-Fe 2 O 3 nanowire array electrodes for water splitting journal April 2012
Diffusion in Oxides journal January 2010
Uniform Doping of Titanium in Hematite Nanorods for Efficient Photoelectrochemical Water Splitting journal June 2015
Passivating surface states on water splitting hematite photoanodes with alumina overlayers journal January 2011
Photoelectrochemical and Impedance Spectroscopic Investigation of Water Oxidation with “Co–Pi”-Coated Hematite Electrodes journal September 2012
Amorphous FeOOH Oxygen Evolution Reaction Catalyst for Photoelectrochemical Water Splitting journal February 2014
Splitting water with rust: hematite photoelectrochemistry journal January 2012
Dissolution of iron oxide using oxalic acid journal July 2007
Enhancing Photoresponse of Nanoparticulate α-Fe 2 O 3 Electrodes by Surface Composition Tuning journal February 2011
Small-polaron versus band conduction in some transition-metal oxides journal January 1970
The Influence of Oxygen Content on the Thermal Activation of Hematite Nanowires journal March 2012
Titanium incorporation into hematite photoelectrodes: theoretical considerations and experimental observations journal January 2014
Sol-flame synthesis of cobalt-doped TiO 2 nanowires with enhanced electrocatalytic activity for oxygen evolution reaction journal January 2014
Dynamics of photogenerated holes in surface modified  -Fe2O3 photoanodes for solar water splitting journal July 2012
Photoelectrochemical Properties of Fe 2 O 3 −Nb 2 O 5 Films Prepared by Sol−Gel Method journal September 2005
Sol-Flame Synthesis: A General Strategy To Decorate Nanowires with Metal Oxide/Noble Metal Nanoparticles journal April 2012
Sn-Doped Hematite Nanostructures for Photoelectrochemical Water Splitting journal May 2011
Controlled growth of vertically oriented hematite/Pt composite nanorod arrays: use for photoelectrochemical water splitting journal March 2011
Temperature-Dependent Growth of Self-Assembled Hematite (α-Fe 2 O 3 ) Nanotube Arrays: Rapid Electrochemical Synthesis and Photoelectrochemical Properties journal August 2009