What do you do, titanium? Insight into the role of titanium oxide as a water oxidation promoter in hematite-based photoanodes

D Monllor-Satoca, M Bärtsch, C Fàbrega… - Energy & …, 2015 - pubs.rsc.org
Hematite (α-Fe2O3) is a promising photoanode in solar water splitting devices with a set of
intrinsic limitations that lessen its maximum performance; among the methods used for …

Zinc ferrite photoanode nanomorphologies with favorable kinetics for water‐splitting

AG Hufnagel, K Peters, A Müller… - Advanced Functional …, 2016 - Wiley Online Library
The n‐type semiconducting spinel zinc ferrite (ZnFe2O4) is used as a photoabsorber
material for light‐driven water‐splitting. It is prepared for the first time by atomic layer …

Understanding photoelectrochemical water oxidation with X-ray absorption spectroscopy

J Deng, Q Zhang, X Lv, D Zhang, H Xu, D Ma… - ACS Energy …, 2020 - ACS Publications
Synchrotron radiation-based X-ray absorption spectroscopy (XAS) has been demonstrated
to be a powerful and effective characterization tool in comprehensively and deeply …

Atomically altered hematite for highly efficient perovskite tandem water‐splitting devices

Gurudayal, RA John, PP Boix, C Yi, C Shi… - …, 2017 - Wiley Online Library
Photoelectrochemical (PEC) cells are attractive for storing solar energy in chemical bonds
through cleaving of water into oxygen and hydrogen. Although hematite (α‐Fe2O3) is a …

Vapor Phase Processing of α-Fe2O3 Photoelectrodes for Water Splitting: An Insight into the Structure/Property Interplay

MEA Warwick, K Kaunisto, D Barreca… - … applied materials & …, 2015 - ACS Publications
Harvesting radiant energy to trigger water photoelectrolysis and produce clean hydrogen is
receiving increasing attention in the search of alternative energy resources. In this regard …

Photoelectrocatalytic production of solar fuels with semiconductor oxides: materials, activity and modeling

D Monllor-Satoca, MI Díez-García… - Chemical …, 2020 - pubs.rsc.org
Oxide photoelectrochemistry has been under continuous development over the last half
century. These decades have witnessed the use of electrodes of different nature (from single …

Investigating Water Splitting with CaFe2O4 Photocathodes by Electrochemical Impedance Spectroscopy

MI Díez-García, R Gómez - ACS Applied Materials & Interfaces, 2016 - ACS Publications
Artificial photosynthesis constitutes one of the most promising alternatives for harvesting
solar energy in the form of fuels, such as hydrogen. Among the different devices that could …

Bridging surface states and current–potential response over hematite-based photoelectrochemical water oxidation

Z Wang, F Fan, S Wang, C Ding, Y Zhao, C Li - RSC advances, 2016 - pubs.rsc.org
The relation between surface states (SS) and the current–potential (j–V) response is
unravelled in an electrochemical way. The photocurrent is initiated at the potential where SS …

Nanotextured Spikes of α-Fe2O3/NiFe2O4 Composite for Efficient Photoelectrochemical Oxidation of Water

S Hussain, MM Tavakoli, A Waleed, US Virk, S Yang… - Langmuir, 2018 - ACS Publications
We demonstrate for the first time the application of p-NiFe2O4/n-Fe2O3 composite thin films
as anode materials for light-assisted electrolysis of water. The p-NiFe2O4/n-Fe2O3 …

Pt-functionalized Fe 2 O 3 photoanodes for solar water splitting: the role of hematite nano-organization and the platinum redox state

MEA Warwick, D Barreca, E Bontempi… - Physical Chemistry …, 2015 - pubs.rsc.org
Pt/α-Fe2O3 nanocomposites were synthesized on fluorine-doped tin oxide (FTO) substrates
by a sequential plasma enhanced-chemical vapor deposition (PE-CVD)/radio frequency …