Results 91 to 100 of about 231,050 (376)

Recent developments in photoelectrochemical water-splitting using WO3/BiVO4 heterojunction photoanode: A review

open access: yesMaterials Science for Energy Technologies, 2018
Pairing tungsten oxide (WO3) and bismuth vanadate (BiVO4) to form heterojunction photoanode is a very promising strategy to attain the enhanced photoelectrochemical (PEC) water splitting efficiency. In fact, the PEC efficiency of WO3/BiVO4 heterojunction
Basanth S. Kalanoor   +2 more
doaj  

Chemical, synthesis, characterization and electrochemical properties of α‐Fe2O3/ZnO composite nano‐heterojunction for sensing application

open access: yesNano Select
Low temperature hydrothermal methods have been utilized to synthesize Hematite/Zinc oxide α‐Fe2O3/ZnO composite nano‐heterojunction nanorods grown on FTO glass substrates while monitoring the effect of different concentrations of urea on the morphology ...
Sreymean Ngok   +6 more
doaj   +1 more source

Highly efficient ultrasound-driven Cu-MOF/ZnWO4 heterostructure: An efficient visible-light photocatalyst with robust stability for complete degradation of tetracycline

open access: yesUltrasonics Sonochemistry, 2023
Metal-organic frameworks (MOFs) are a significant class of porous, crystalline materials composed of metal ions (clusters) and organic ligands.
Jenson Samraj Jeyaprakash   +4 more
doaj  

The first-principles study on the graphene/MoS2 heterojunction

open access: yesAIP Advances, 2020
Graphene’s Dirac point in the band structure and no current switching ratio make it hard to be used in sophisticated logic circuits. The graphene/MoS2 heterojunction, which opens the Dirac point of graphene, can solve this problem.
Siyao Fu   +5 more
doaj   +1 more source

Structural determinants in the bulk heterojunction

open access: yesPhysical Chemistry Chemical Physics, 2018
A multiscale approach is used to characterize essential morphological features of the bulk heterojunction.
Tetsu Narumi   +8 more
openaire   +5 more sources

Hole Transfer Dynamics in Thin Films of Mixed‐Dimensional Quasi‐2D Perovskites

open access: yesAdvanced Functional Materials, EarlyView.
Charge transfer dynamics in quasi‐2D perovskite (PEA2MAn−1PbnI3n+1), grown with a distinct dimensionality gradient are investigated. Selective excitation of the n = 4 phase reveals efficient hole transfer to n = 2 and n = 3 within tens of picoseconds, while n = 1 acts as a hole‐blocking layer. These findings highlight the importance of minimizing n = 1
Giuseppe Ammirati   +10 more
wiley   +1 more source

On-chip optical diode based on silicon photonic crystal heterojunctions

open access: yes, 2011
Optical isolation is a long pursued object with fundamental difficulty in integrated photonics. As a step towards this goal, we demonstrate the design, fabrication, and characterization of on-chip wavelength-scale optical diodes that are made from the ...
Almeida   +27 more
core   +1 more source

Enhanced photovoltage for inverted planar heterojunction perovskite solar cells

open access: yesScience, 2018
Perovskite layers make the grade Inverted planar perovskite solar cells offer opportunities for a simplified device structure compared with conventional mesoporous titanium oxide interlayers.
Deying Luo   +23 more
semanticscholar   +1 more source

Atomic Size Misfit for Electrocatalytic Small Molecule Activation

open access: yesAdvanced Functional Materials, EarlyView.
This review explores the application and mechanisms of atomic size misfit in catalysis for small molecule activation, focusing on how structural defects and electronic properties can effectively lower the energy barriers of chemical bonds in molecules like H2O, CO2, and N2.
Ping Hong   +3 more
wiley   +1 more source

Copper‐based Materials for Photo and Electrocatalytic Process: Advancing Renewable Energy and Environmental Applications

open access: yesAdvanced Functional Materials, EarlyView.
Cu‐based catalysts as a cornerstone in advancing sustainable energy technologies are fully reviewed in this manuscript, highlighting their potential in photo‐ and electrocatalysis. It includes metallic copper, copper oxides, copper sulfides, copper halide perovskites, copper‐based metal–organic frameworks (MOFs), and covalent organic frameworks (COFs),
Jéssica C. de Almeida   +16 more
wiley   +1 more source

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