Amorphous TiO2 coatings stabilize Si, GaAs, and GaP photoanodes for efficient water oxidation

S Hu, MR Shaner, JA Beardslee, M Lichterman… - Science, 2014 - science.org
Although semiconductors such as silicon (Si), gallium arsenide (GaAs), and gallium
phosphide (GaP) have band gaps that make them efficient photoanodes for solar fuel …

High-performance silicon photoanodes passivated with ultrathin nickel films for water oxidation

MJ Kenney, M Gong, Y Li, JZ Wu, J Feng, M Lanza… - Science, 2013 - science.org
Silicon's sensitivity to corrosion has hindered its use in photoanode applications. We found
that deposition of a~ 2-nanometer nickel film on n-type silicon (n-Si) with its native oxide …

Atomic layer-deposited tunnel oxide stabilizes silicon photoanodes for water oxidation

YW Chen, JD Prange, S Dühnen, Y Park, M Gunji… - Nature materials, 2011 - nature.com
A leading approach for large-scale electrochemical energy production with minimal global-
warming gas emission is to use a renewable source of electricity, such as solar energy, to …

Stabilization of n-cadmium telluride photoanodes for water oxidation to O 2 (g) in aqueous alkaline electrolytes using amorphous TiO 2 films formed by atomic-layer …

MF Lichterman, AI Carim, MT McDowell, S Hu… - Energy & …, 2014 - pubs.rsc.org
Although II–VI semiconductors such as CdS, CdTe, CdSe, ZnTe, and alloys thereof can have
nearly ideal band gaps and band-edge positions for the production of solar fuels, II–VI …

Stable Solar-Driven Water Oxidation to O2(g) by Ni-Oxide-Coated Silicon Photoanodes

K Sun, MT McDowell, AC Nielander, S Hu… - The journal of …, 2015 - ACS Publications
Semiconductors with small band gaps (< 2 eV) must be stabilized against corrosion or
passivation in aqueous electrolytes before such materials can be used as photoelectrodes …

Scalable, highly stable Si-based metal-insulator-semiconductor photoanodes for water oxidation fabricated using thin-film reactions and electrodeposition

S Lee, L Ji, AC De Palma, ET Yu - Nature Communications, 2021 - nature.com
Abstract Metal-insulator-semiconductor (MIS) structures are widely used in Si-based solar
water-splitting photoelectrodes to protect the Si layer from corrosion. Typically, there is a …

Stable solar-driven oxidation of water by semiconducting photoanodes protected by transparent catalytic nickel oxide films

K Sun, FH Saadi, MF Lichterman… - Proceedings of the …, 2015 - National Acad Sciences
Reactively sputtered nickel oxide (NiOx) films provide transparent, antireflective, electrically
conductive, chemically stable coatings that also are highly active electrocatalysts for the …

Protection of inorganic semiconductors for sustained, efficient photoelectrochemical water oxidation

MF Lichterman, K Sun, S Hu, X Zhou, MT McDowell… - Catalysis Today, 2016 - Elsevier
Small-band-gap (E g< 2 eV) semiconductors must be stabilized for use in integrated devices
that convert solar energy into the bonding energy of a reduced fuel, specifically H 2 (g) or a …

The Influence of Structure and Processing on the Behavior of TiO2 Protective Layers for Stabilization of n-Si/TiO2/Ni Photoanodes for Water Oxidation

MT McDowell, MF Lichterman, AI Carim… - … applied materials & …, 2015 - ACS Publications
Light absorbers with moderate band gaps (1–2 eV) are required for high-efficiency solar
fuels devices, but most semiconducting photoanodes undergo photocorrosion or passivation …

Sub-particle reaction and photocurrent mapping to optimize catalyst-modified photoanodes

JB Sambur, TY Chen, E Choudhary, G Chen… - Nature, 2016 - nature.com
The splitting of water photoelectrochemically into hydrogen and oxygen represents a
promising technology for converting solar energy to fuel,. The main challenge is to ensure …