Unveiling the Synchronized Effect of Bulk and Surface Dual Modification of In Situ Nb-Doping and Microwave-Assisted Co(OH)x Cocatalyst for Boosting Photoelectrochemical Water …

P Anushkkaran, TS Koh, WS Chae… - ACS Sustainable …, 2023 - ACS Publications
Herein, in order to improve the conductivity and slack water oxidation kinetics of the hematite
(α-Fe2O3) photoanode, we propose the Nb-doped and Co (OH) x cocatalyst-deposited α …

Gradient Si-and Ti-doped Fe2O3 hierarchical homojunction photoanode for efficient solar water splitting: Effect of facile microwave-assisted growth of Si-FeOOH on Ti …

TS Koh, P Anushkkaran, WS Chae, HH Lee… - Journal of Energy …, 2023 - Elsevier
The construction of a homojunction is an effective approach for addressing issues such as
slow charge separation and charge-transfer kinetics in photoanodes. In the present work, we …

Self-Diffusion versus Intentional Doping: Beneficial and Damaging Impact on Hematite Photoanode Interfaces

LM Daminelli, I Rodríguez-Gutierrez… - … Applied Materials & …, 2023 - ACS Publications
The comprehension of side effects caused by high-temperature thermal treatments in the
design of (photo) electrodes is essential to achieve efficient and cost-effective devices for …

Flash Joule heating to enhance water oxidation of hematite photoanode via mediating with an oxidized carbon overlayer

G Li, W Zhang, K Nie, X Lv, J Deng, H Ji - Carbon, 2023 - Elsevier
Flash Joule heating technique as an innovative and promising strategy has been
extensively utilized to synthesize various functionalized nanomaterials within a very short …

Colloidal synthesis of semiconductor films for efficient photoelectrochemical hydrogen generation

A Chen, X Li, J Wang, J Zhang - Energy Material Advances, 2023 - spj.science.org
The semiconductor-based photoanodes have shown great potential on
photoelectrochemical (PEC) hydrogen generation. Compared to the pristine semiconductor …

Surface selective passivation and FexNi1-xOOH co-modified Fe2O3 photoanode toward high-performance water oxidation

K Ba, Y Li, R Zhang, K Zhang, Z Liang, Y Liu… - International Journal of …, 2023 - Elsevier
Improving the water-splitting performance of hematite (α-Fe 2 O 3) is still hindered due to its
severe charge recombination and poor water oxidation kinetics. Herein, borate-treated Ti …

Co-dependency of TiO 2 underlayer and ZrO 2 top layer in sandwiched microwave-assisted Zr-Fe 2 O 3 photoanodes for photoelectrochemical water splitting

JB Hwang, MA Mahadik, P Anushkkaran… - Sustainable Energy & …, 2023 - pubs.rsc.org
A variety of electron/hole recombination pathways limit the photoelectrochemical capabilities
of hematite (Fe2O3) photoanodes. To address the recombination issue in hematite …

Influence of Successive Zirconium and Beryllium Codoping Strategies on Advancing Bulk and Surface Properties of Hematite Photoanodes for Boosting …

JB Hwang, P Anushkkaran, WS Chae… - ACS Applied Energy …, 2023 - ACS Publications
Photoelectrochemical (PEC) water splitting activity of Fe2O3 is restricted by the rapid
recombination of photocarriers both in bulk and on the surface and slack water oxidation …

Unveiling the Significance of Diverse Valence State Second Dopants on Hf-Doped Fe2O3 Photoanodes for Enhanced Photoelectrochemical Water Splitting

P Anushkkaran, YB Kwon, TS Koh… - ACS Sustainable …, 2024 - ACS Publications
Hematite (α-Fe2O3)-based photoanodes offer great potential for use in solar hydrogen
production as part of efforts to construct a sustainable and renewable energy economy …

In-situ Hf/Zr co-doped Fe2O3 nanorod decorated with CuOx/CoOx: Enhanced photocatalytic performance for antibacterial and organic pollutants

IS Hwang, MA Mahadik, P Anushkkaran, MS Song… - Chemosphere, 2024 - Elsevier
Herein, we successfully synthesized Hf/Zr co-doping on Fe 2 O 3 nanorod photocatalyst by a
hydrothermal process and quenching methods. The synergistic roles of Hf and Zr double …