January 4, 2021
Researchers showed that the engineering of a hole extraction layer with possible water-splitting additives could be a viable strategy to reduce the impact of moisture in perovskite devices.
Moisture-Tolerant 3D Perovskite Solar Cells
September 23, 2021
Researchers studied three different alkyl chain length organic cation-based 2D perovskite coatings for 3D perovskites. The 2D perovskite incorporated solar cells showed significant improvement in solar cell stability with limited compromise in solar cell efficiency. The longest alkyl chain length sample showed only a 20% drop in power conversion efficiency after 6 months at a relative humidity of 25-80%, and could be completely immersed in water for a few minutes before degradation started.
Progress Of Perovskite Solar Cells: 29% Efficient 2020-2021
July 7, 2021
This review summarizes the main progress of Perovskite Solar Cells (PSCs) in 2020 and 2021 from the aspects of efficiency, stability, perovskite-based tandem devices, and lead-free PSCs.
A Prototype Water Electrolysis System As An Alternative To Produce Hydrogen
November 4, 2020
The objective of developing a prototype or scale model of production of hydrogen and oxygen through the electrolysis process of water is to generate an alternative with a sustainable approach, which proposes the supply or source of energy initially with a direct current power source replaceable in the future by a photovoltaic solar system.
Enhancing Hydrogen Evolution Electrocatalytic Performance in Neutral Media via Nitrogen and Iron Phosphide Interactions
May 6, 2021
Researchers developed a facile strategy to stabilize the structure of metal phosphides during hydrogen evolution reaction (HER) and promote intrinsic catalytic activity by introducing N atoms into the structure of the FeP material as HER electrocatalysts for neutral media.
Recent Advances Of Single-Atom Electrocatalysts For Hydrogen Evolution Reaction (HER)
June 21, 2021
Researchers introduced the basic mechanism of electrochemical HER, explained the leading methods used in the synthesis strategies of single-atom electrocatalysts (SAECs), and summarized recent advances in using these SAECs towards HER from the aspect of the local structural regulation and the support coupling effect by precise tuning of metal anchoring sites and supports.
Efficient Alkaline Hydrogen Evolution Electrocatalyst
January 4, 2021
Researchers realized a NiCo(OH)x-CoyW catalyst with a bush-like heterostructure via gas-template-assisted electrodeposition, followed by an electrochemical etching-growth process, which ensured a high active area and fast gas release kinetics for a superior hydrogen evolution reaction.
Nanocarbon Enhanced 2D Photoelectrodes For Oxygen/Hydrogen Evolution Reactions
July 28, 2020
Researchers examined various 2D layered photoanodes/photocathodes, including graphitic carbon nitrides, transition metal dichalcogenides, layered double hydroxides, layered bismuth oxyhalide nanosheets, and MXenes, combined with advanced nanocarbons (carbon dots, carbon nanotubes, graphene, and graphdiyne) as co-catalysts to assemble integrated photoelectrodes for oxygen/hydrogen evolution reactions.
Boron Nanosheet-Supported Rh Catalysts for Hydrogen Evolution Reaction (HER)
April 27, 2021
Researchers designed an outstanding HER electrocatalyst, highly dispersed rhodium (Rh) nanoparticles with an average diameter of only 3 nm supported on boron (B) nanosheets. The HER catalytic activity is even comparable to that of commercial platinum catalysts.
Enhanced Water Electrolysis Activity at High Current Density
November 25, 2020
Researchers prepared an N-doped graphene-decorated NiCo alloy coupled with mesoporous NiCoMoO nano-sheet grown on 3D nickel foam (NiCo@C-NiCoMoO/NF) for water splitting.