A5043006241- Advanced Photocatalysis Techniques
- Electrocatalysts for Energy Conversion
- Copper-based nanomaterials and applications
- Electronic and Structural Properties of Oxides
- CO2 Reduction Techniques and Catalysts
- TiO2 Photocatalysis and Solar Cells
- MXene and MAX Phase Materials
- Ga2O3 and related materials
- Advanced battery technologies research
- Caching and Content Delivery
- Ferroelectric and Piezoelectric Materials
- Acoustic Wave Resonator Technologies
- Ammonia Synthesis and Nitrogen Reduction
- ZnO doping and properties
- Arsenic contamination and mitigation
- Iron oxide chemistry and applications
- Ionic liquids properties and applications
- 2D Materials and Applications
- Piezoelectric Actuators and Control
- Marine and Offshore Engineering Studies
- Optical Systems and Laser Technology
- Anodic Oxide Films and Nanostructures
- Carbon dioxide utilization in catalysis
- Fuel Cells and Related Materials
- Electrochemical Analysis and Applications
Central China Normal University
2024-2025
Zhengzhou University
2024
University of Central Florida
2020-2023
University of Jinan
2021
Wuhan University
2005-2020
Laboratoire de physique des Solides
2018
Xi'an Jiaotong University
2015
Electroreduction of carbon dioxide (CO
Electrochemical reduction of N2 to NH3 under ambient conditions can enable an alternative approach for sustainable, distributed production when powered by renewable electricity. However, the development such a process has been hindered lack efficient electrocatalysts reaction (NRR) because barrier activation and competing hydrogen evolution (HER). Here, we highlight some mechanistic insights into electrode–electrolyte interface electrosynthesis, where NRR HER compete available protons,...
Electroreduction of CO2 to formate on Bi-based catalyst is a promising route for recycling and sustainable fuel production. The use gas-diffusion-electrode (GDE) flow cells has generally improved the rate electrolysis, while local reaction environment in GDEs its impact electrolysis remain be understood. Here, we report that tuning microenvironment GDE by adding hydrophobic polytetrafluoroethylene (PTFE) nanoparticles layer can substantially enhance achieving partial current density 677 mA...
Graphitic carbon nitride (g‐C 3 N 4 ) is reported to be a promising metal‐free semiconductor for photocatalytic water splitting. However, the performance of g‐C substantially limited by its insufficient visible‐light absorption and low photogenerated charge carrier separation efficiency. In this work, an innovative method (ion irradiation) efficiently introduce both defined C‐ N‐vacancies ( V C simultaneously into nanosheets are explored. Unlike traditional chemical methods, controlling He +...
Electrochemical reduction of nitrate (NO3-) to ammonia (NH3) provides a promising route for recycling from wastewater balance the nitrogen cycle and sustainable production ammonia. Among various catalytic materials NO3- electroreduction, Cu shows favorable selectivity NH3. However, can be easily oxidized, while effect oxidation state on remains elucidated. Here, we report that oxidic formed electrode enhance its activity We first used polished foil as model catalyst found brief exposure air...
Heteroatom doping is widely used in the design of electrocatalysts as it can tune electronic structure and create more active sites. However, may simultaneously alter wetting properties catalyst microenvironment, which plays a critical role gas-involving reactions. Here, we report an interplay between sites microenvironment electrosynthesis H2O2 via two-electron oxygen reduction on doped carbon. For both oxygen-doped fluorine-doped carbon, rotating ring-disk electrode (RRDE) measurements...
Surface-enhanced Raman spectroscopy (SERS) is a versatile and powerful spectroscopic technique for substance analysis detection. So far, the highest detection sensitivities have been realized on noble nanostructure substrates, which, however, are costly, unstable, non-biocompatible. While semiconductor substrates could in principle be used, existing realizations either resulted with low or used methods that poor technical control. Here we report general method, based ion irradiation vacuum...
The controllable synthesis of uniform tungsten diselenide (WSe2 ) is crucial for its emerging applications due to the high sensitivity extraordinary physicochemical properties layer numbers. However, undesirable multilayer regions inevitably form during fabrication WSe2 via traditional chemical vapor deposition process resulted from lack significantly energetically favorable competition between accumulation and size expansion. This work innovatively introduces Cu occupy hexagonal site...
Highly efficient semiconductor photoelectrodes for solar hydrogen production through photocatalytic water splitting are a promising and challenge solution to solve the energy problems. In this work, Ag/Cu2O/ZnO tandem triple-junction photoelectrode was designed prepared. An increase of 11 times photocurrent is achieved in comparing that Cu2O film. The high performance film due optimized design structure, where localized surface Plasmon resonance Ag hetero-junctions efficiently absorb energy,...
Abstract Oxygen reduction reaction (ORR) driven by renewable electricity in neutral electrolyte presents a promising way for generating H 2 O , which is suitable daily sanitation and hygiene management. Cobalt phthalocyanine (CoPc) serves as an effective molecular electrocatalyst, providing active sites to facilitate generation during ORR through uniform distribution on carbon supports. However, the catalytic performance currently falls short of industrial application requirements. Herein,...
Hematite (α‐Fe 2 O 3 ) is a promising candidate as semiconducting photoanode for photoelectrochemical (PEC) water splitting. However, its PEC performance much limited by the sluggish charge transfer kinetics at α‐Fe /electrolyte interface. Herein, an insulative metal oxide, hafnium dioxide (HfO ), deposited on surface of to engineer photoelectrode/electrolyte interfacial electronic structure. With conformal HfO overlayer coating, defects are effectively passivated, whereas migration from...
The long-term operation feature of enzymatic biofuel cell-based self-powered biosensor (EBFC-SPB) endows them with the potential to execute dual-signal biosensing without having integrate an extra signal acquisition device. Herein, cobalt and manganese codoped CeO2 nanospheres (CoMn-CeO2 NSs) glucose-oxidase-like peroxidase-like activities have been developed as substrate-switched dual-channel transduction components in EBFC-SPB for a assay aflatoxin B1 (AFB1). CoMn-CeO2 NSs modified aptamer...
Abstract Nanostructured Si as the high efficiency photoelectrode material is hard to keep stable in aqueous for water splitting. Capping a passivation layer on surface of an effective way protecting from oxidation. However, it still not clear different mechanisms and effects between insulating oxide materials semiconductor layers. Here, we compare effects, photoelectrochemical (PEC) properties, corresponding HfO 2 /nanoporous-Si TiO by I–V curves, Motte-schottky (MS) electrochemical...
The reduction of 4‐nitrophenol (Nip) into 4‐aminophenol (Amp) by NaBH 4 , which is catalyzed both binary and ternary yolk–shell noble‐metal/SnO 2 heterostructures, reported. heterostructures contain individual Au or Ag nanoparticles (NPs) the NPs. Au@SnO NPs are synthesized via a silica seeds‐mediated hydrothermal method. Subsequently, @Ag @Au yolk–shell–shell (YSS) synthesized, whereby SnO located between morphology, composition, optical properties as‐prepared samples analyzed. For rate...
Porous photoelectrodes show high efficiency in hydrogen production by water splitting. However, fabrication of porous nanorods is usually difficult. Here, we report a simple approach to fabricate kind novel rutile titanium dioxide nanorod array an advanced ion implantation method using multiple-energy helium and subsequent annealing. The nanostructure enhances the photoelectrochemical performance under Uv-visible light illumination, where highest photocurrent density was relatively about 10...
N-type WO3 and p-type Si can be assembled into a composite structure called “Z-scheme,” which is high efficiency model for overall water splitting. However, due to the existence of Schottky barrier, its relatively low photocurrent density still great challenge application. Here, modified “Z-scheme” by inserting W interlayer presented. A enhancement over 10 times achieved, ascribed introduction ohmic contacts between with both layers elimination Si-O bands at interface.
p<sup>+</sup>n junction Si cells with V doped Co oxide were fabricated <italic>via</italic> magnetron co-sputtering deposition as photoanodes for efficient OER performance.
Tungsten trioxide is one of the most widely studied semiconductors for photoelectrochemical water splitting. However, its onset potential too positive. In a system, low and high photocurrent photoanode are important enhancing efficiency It an effective way to adjust by changing conduction valence band level. Doping powerful alter positions energy levels improve their performance. this paper, we present method ion implantation implanting Zr+ ions into WO3. Cathodic shifts oxidation achieved....