Absolute band-edge energies are over-emphasized in the design of photoelectrochemical materials

AJ Kaufman, AC Nielander, GJ Meyer, S Maldonado… - Nature Catalysis, 2024 - nature.com
The absolute band-edge potentials of semiconductors and their positions relative to solution
redox potentials are often invoked as design principles for photoelectrochemical devices …

Electrochemical impedance of well-passivated semiconductors reveals bandgaps, Fermi levels, and interfacial density of states

CD Hallock, MJ Rose - Journal of the American Chemical Society, 2024 - ACS Publications
For well-passivated semiconductor materials, the density of states (DOS) at the band edge
determines the concentration of electrons (or holes) available to participate in …

Insights into the Interfacial Charge Transfer Dynamics in Semiconductor–Molecular Catalyst Assemblies for Photo–Induced CO2 Reduction

T Chatterjee, B Domingo‐Tafalla, P Ballester… - …, 2024 - Wiley Online Library
This mini–review summarises examples of photo and photoelectrochemical CO2 reduction
reactions (CO2RR) using semiconductor–molecular catalyst–based hybrid assemblies in …

Photoelectrochemical CO2 Reduction to CO Enabled by a Molecular Catalyst Attached to High-Surface-Area Porous Silicon

X Jia, E Stewart-Jones… - Journal of the …, 2024 - ACS Publications
A high-surface-area p-type porous Si photocathode containing a covalently immobilized
molecular Re catalyst is highly selective for the photoelectrochemical conversion of CO2 to …

Methyl Termination of p-Type Silicon Enables Selective Photoelectrochemical CO2 Reduction by a Molecular Ruthenium Catalyst

GP Bein, MA Stewart, EA Assaf, SJ Tereniak… - ACS Energy …, 2024 - ACS Publications
Methyl-terminated p-type silicon photoelectrodes selectively drive CO2 reduction by a
homogeneous [Ru (tpy)(Mebim-py)(NCCH3)] 2+ catalyst (tpy= 2, 2′: 6′, 2 ″-terpyridine …

Covalent Functionalization of Silicon with Plasma-Grown “Fuzzy” Graphene: Robust Aqueous Photoelectrodes for CO2 Reduction by Molecular Catalysts

OA Oyetade, Y Wang, S He… - … Applied Materials & …, 2024 - ACS Publications
Carbon electrodes are ideal for electrochemistry with molecular catalysts, exhibiting facile
charge transfer and good stability. Yet for solar-driven catalysis with semiconductor light …