Shinjae Hwang
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View article: TiO<sub>2</sub>/TiN Interface Enables Integration of Ni<sub>5</sub>P<sub>4</sub> Electrocatalyst with a III–V Tandem Photoabsorber for Stable Unassisted Solar-Driven Water Splitting
TiO<sub>2</sub>/TiN Interface Enables Integration of Ni<sub>5</sub>P<sub>4</sub> Electrocatalyst with a III–V Tandem Photoabsorber for Stable Unassisted Solar-Driven Water Splitting Open
H2 production by direct photoelectrochemical (PEC) water splitting has remained unachievable commercially, mainly due to rapid failure at the interface between the photoabsorber(s) and catalyst(s). PEC devices made from multijunction III-V…
View article: Thin film TiO2/TiN bifunctional interface enables integration of Ni5P4 electro-catalyst with GaInP2/GaAs III-V tandem photoabsorber for stable solar-driven water splitting
Thin film TiO2/TiN bifunctional interface enables integration of Ni5P4 electro-catalyst with GaInP2/GaAs III-V tandem photoabsorber for stable solar-driven water splitting Open
Hydrogen production by photoelectrochemical (PEC) water splitting has remained challenging for commercialization mainly due to the limited durability of integrated photoelectrodes owing to failure of the interfacial connection between the …
View article: Interfacial Connections between Organic Perovskite/n <sup>+</sup> Silicon/Catalyst that Allow Integration of Solar Cell and Catalyst for Hydrogen Evolution from Water
Interfacial Connections between Organic Perovskite/n <sup>+</sup> Silicon/Catalyst that Allow Integration of Solar Cell and Catalyst for Hydrogen Evolution from Water Open
The rapidly increasing solar conversion efficiency (PCE) of hybrid organic–inorganic perovskite (HOIP) thin‐film semiconductors has triggered interest in their use for direct solar‐driven water splitting to produce hydrogen. However, appli…
View article: Interfacial connections between organic perovskite/n+ silicon/catalyst that allow integration of solar cell and catalyst for hydrogen evolution from water
Interfacial connections between organic perovskite/n+ silicon/catalyst that allow integration of solar cell and catalyst for hydrogen evolution from water Open
The rapidly increasing solar conversion efficiency (PCE) of hybrid organic-inorganic perovskite (HOIP) thin-film semiconductors has triggered interest in their use for direct solar-driven water splitting to produce hydrogen. However, appli…
View article: Creating Functional Oxynitride–Silicon Interfaces and SrNbO<sub>2</sub>N Thin Films for Photoelectrochemical Applications
Creating Functional Oxynitride–Silicon Interfaces and SrNbO<sub>2</sub>N Thin Films for Photoelectrochemical Applications Open
Photoelectrochemical performance dependence upon absorption length, carrier diffusion length, and surface area of an oxynitride photoabsorber is investigated. How best to fabricate optical-quality thin films of bandgap-tunable oxynitrides …
View article: Surface Hydrides on Fe<sub>2</sub>P Electrocatalyst Reduce CO<sub>2</sub> at Low Overpotential: Steering Selectivity to Ethylene Glycol
Surface Hydrides on Fe<sub>2</sub>P Electrocatalyst Reduce CO<sub>2</sub> at Low Overpotential: Steering Selectivity to Ethylene Glycol Open
Development of efficient electrocatalysts for the CO2 reduction reaction (CO2RR) to multicarbon products has been constrained by high overpotentials and poor selectivity. Here, we introduce iron phosphide (Fe2P) as an earth-abundant cataly…
View article: Highly efficient and durable III–V semiconductor-catalyst photocathodes<i>via</i>a transparent protection layer
Highly efficient and durable III–V semiconductor-catalyst photocathodes<i>via</i>a transparent protection layer Open
Integration of crystalline Ni5P4–TiN catalyst-protection layer on buried junction n+p-GaInP2.
View article: Efficient durable solar-driven water splitting devices
Efficient durable solar-driven water splitting devices Open
The conversion of solar energy into chemical energy using renewable feedstocks such as water continues to expand at an accelerating rate. One device capable of producing hydrogen, a renewable chemical fuel, is the photoelectrochemical (PEC…
View article: Creating stable interfaces between reactive materials: titanium nitride protects photoabsorber–catalyst interface in water-splitting photocathodes
Creating stable interfaces between reactive materials: titanium nitride protects photoabsorber–catalyst interface in water-splitting photocathodes Open
Thin-films of cubic-NiP2 and TiN layers are applied on Si for efficient and stable photocathodes.
View article: Selective CO<sub>2</sub>reduction to C<sub>3</sub>and C<sub>4</sub>oxyhydrocarbons on nickel phosphides at overpotentials as low as 10 mV
Selective CO<sub>2</sub>reduction to C<sub>3</sub>and C<sub>4</sub>oxyhydrocarbons on nickel phosphides at overpotentials as low as 10 mV Open
Bioinspired nickel phosphide electrocatalysts achieve breakthrough efficiency and selectivity for C3and C4products.