A5019936302- Electrocatalysts for Energy Conversion
- Advanced Photocatalysis Techniques
- Catalytic Processes in Materials Science
- CO2 Reduction Techniques and Catalysts
- Advanced battery technologies research
- Geological and Geochemical Analysis
- Ionic liquids properties and applications
- earthquake and tectonic studies
- High-pressure geophysics and materials
- Carbon dioxide utilization in catalysis
- Nanomaterials for catalytic reactions
- Bone Tissue Engineering Materials
- Fuel Cells and Related Materials
- Ammonia Synthesis and Nitrogen Reduction
- Catalysis and Oxidation Reactions
- Electrochemical Analysis and Applications
- Copper-based nanomaterials and applications
- Asymmetric Hydrogenation and Catalysis
- Covalent Organic Framework Applications
- Orthopaedic implants and arthroplasty
- Geochemistry and Geologic Mapping
- Nanocluster Synthesis and Applications
- Advanced Nanomaterials in Catalysis
- Catalysts for Methane Reforming
- Geochemistry and Geochronology of Asian Mineral Deposits
Anhui University
2023-2025
Ji Hua Laboratory
2019-2024
Tsinghua University
2018-2024
Chinese Academy of Geological Sciences
2015-2024
Czech Academy of Sciences, Institute of Geology
2024
Anhui Normal University
2016-2023
China Spallation Neutron Source
2022
Shantou University
2019-2021
Tianjin University
2020
Central China Normal University
2020
The construction of highly active and stable non-noble-metal electrocatalysts for hydrogen oxygen evolution reactions is a major challenge overall water splitting. Herein, we report novel hybrid nanostructure with CoP nanoparticles (NPs) embedded in N-doped carbon nanotube hollow polyhedron (NCNHP) through pyrolysis–oxidation–phosphidation strategy derived from core–shell ZIF-8@ZIF-67. Benefiting the synergistic effects between NPs NCNHP, CoP/NCNHP exhibited outstanding bifunctional...
We develop an N-coordination strategy to design a robust CO2 reduction reaction (CO2RR) electrocatalyst with atomically dispersed Co-N5 site anchored on polymer-derived hollow N-doped porous carbon spheres. Our catalyst exhibits high selectivity for CO2RR CO Faradaic efficiency (FECO) above 90% over wide potential range from -0.57 -0.88 V (the FECO exceeded 99% at -0.73 and -0.79 V). The current density remained nearly unchanged after electrolyzing 10 h, revealing remarkable stability....
A central topic in single-atom catalysis is building strong interactions between single atoms and the support for stabilization. Herein we report preparation of stabilized catalysts via a simultaneous self-reduction stabilization process at room temperature using ultrathin two-dimensional Ti3–xC2TyMXene nanosheets characterized by abundant Ti-deficit vacancy defects high reducing capability. The therein form metal–carbon bonds with Ti3–xC2Ty are therefore onto sites previously occupied Ti....
Developing an efficient single-atom material (SAM) synthesis and exploring the energy-related catalytic reaction are important but still challenging. A polymerization-pyrolysis-evaporation (PPE) strategy was developed to synthesize N-doped porous carbon (NPC) with anchored atomically dispersed Fe-N4 sites. This derived from predesigned bimetallic Zn/Fe polyphthalocyanine. Experiments calculations demonstrate formed site exhibits superior trifunctional electrocatalytic performance for oxygen...
Abstract Transition metal dichalcogenide materials have been explored extensively as catalysts to negotiate the hydrogen evolution reaction, but they often run at a large excess thermodynamic cost. Although activating strategies, such defects and composition engineering, led remarkable activity gains, there remains requirement for better performance that aims real device applications. We report here phosphorus-doping-induced phase transition from cubic orthorhombic phases in CoSe 2 . It has...
Abstract Atomically dispersed metal-N-C structures are efficient active sites for catalyzing benzene oxidation reaction (BOR). However, the roles of N and C atoms still unclear. We report a polymerization-regulated pyrolysis strategy synthesizing single-atom Fe-based catalysts, present systematic study on coordination effect Fe-N x y catalytic in BOR. The special environment Fe brings surprising discovery: anchored by four-coordinating exhibit highest BOR performance with conversion 78.4%...
Production of methanol from electrochemical reduction carbon dioxide is very attractive. However, achieving high Faradaic efficiency with current density using facile prepared catalysts remains to be a challenge. Herein we report that copper selenide nanocatalysts have outstanding performance for methanol, and the can as 41.5 mA cm-2 77.6% at low overpotential 285 mV. The selenium in cooperate well formation methanol. higher than those reported up date producing As far know, this first work catalyst.
Metal-organic frameworks (MOF) have recently emerged as versatile precursors to fabricate functional MOF derivatives for oxygen evolution reactions (OER). Herein, we developed a controlled partial pyrolysis strategy construct robust NiCo/Fe3O4 heteroparticles within MOF-74 efficient OER using trimetallic NiCoFe-MOF-74 precursor. The method preserves the framework structure of effective substrates diffusion while producing highly active nanoparticles. as-prepared NiCo/Fe3O4/MOF-74 delivered...
Abstract Constructing well defined nanostructures is promising but still challenging for high‐efficiency catalysts hydrogen evolution reaction (HER) and energy storage. Herein, utilizing the differences in surface energies between (111) facets of CoP NiCoP, a novel CoP/NiCoP heterojunction designed synthesized with nanotadpoles (NTs)‐like morphology via solid‐state phase transformation strategy. By effective interface construction, disorder terms electronic structure coordination environment...
Abstract For electrocatalysts for the hydrogen evolution reaction (HER), encapsulating transition metal phosphides (TMPs) into nitrogen‐doped carbon materials has been known as an effective strategy to elevate activity and stability. Yet still, it remains unclear how TMPs work synergistically with N‐doped support, which N configuration (pyridinic N, pyrrolic or graphitic N) contributes predominantly synergy. Here we present a HER electrocatalyst (denoted MoP@NCHSs) comprising MoP...
Abstract High-efficiency water electrolysis is the key to sustainable energy. Here we report a highly active and durable RuIrO x ( ≥ 0) nano-netcage catalyst formed during electrochemical testing by in-situ etching remove amphoteric ZnO from RuIrZnO hollow nanobox. The dispersing-etching-holing strategy endowed porous with high exposure of sites as well three-dimensional accessibility for substrate molecules, thereby drastically boosting surface area (ECSA). achieved not only ultralow...
Abstract Selective reduction of ketone/aldehydes to alcohols is great importance in green chemistry and chemical engineering. Highly efficient catalysts are still demanded work under mild conditions, especially at room temperature. Here we present a synergistic function single-atom palladium (Pd 1 ) nanoparticles NPs on TiO 2 for highly hydrogenation Compared simple but inferior Pd /TiO catalysts, more than twice activity enhancement achieved with the 1+NPs catalyst that integrates both...
Recognizing and controlling the structure-activity relationships of single-atom catalysts (SACs) is vital for manipulating their catalytic properties various practical applications. Herein, Fe SACs supported on nitrogen-doped carbon (SA-Fe/CN) are reported, which show high reactivity (97% degradation bisphenol A in only 5 min), stability (80% maintained after five runs), wide pH suitability (working range 3-11) toward Fenton-like reactions. The roles different N species these reactions...
Exploring high-performance zeolite-supported metal catalysts is of great significance. Herein, we develop a strategy for fabricating isolated single atomic site in Y zeolite (M-ISAS@Y, M = Pt, Pd, Ru, Rh, Co, Ni, Cu) by situ separating and confining metal-ethanediamine complex into β-cages during the crystallization process followed thermal treatment. The M-ISAS are stabilized skeletal oxygens zeolite, crystallinity, porosity, large surface area well inherited M-ISAS@Y. As demonstration,...
Photocatalytic CO2 conversion into a high-value-added C2 product is highly challenging task because of insufficient electron deliverability and sluggish C-C coupling kinetics. Engineering catalytic interfaces in photocatalysts provides promising approach to manipulate photoinduced charge carriers create multiple sites for boosting the generation from reduction. Herein, Cuδ+/CeO2-TiO2 photocatalyst that contains atomically dispersed Cuδ+ anchored on CeO2-TiO2 heterostructures consisting CeO2...
Electroreduction of CO2 to liquid fuels such as ethanol and n-propanol, powered by renewable electricity, offers a promising strategy for controlling the global carbon balance addressing need storage intermittent energy. In this work, we discovered that composite composed nitrogen-doped graphene quantum dots (NGQ) on CuO-derived Cu nanorods (NGQ/Cu-nr) was an outstanding electrocatalyst reduction n-propanol. The Faradaic efficiency (FE) C2+ alcohols could reach 52.4 % with total current...
Cu is a promising electrocatalyst in CO2 reduction reaction (CO2RR) to high-value C2+ products. However, as important C-C coupling active sites, the Cu+ species usually unstable under conditions. How atomic dopants affect performance of Cu-based catalysts interesting be studied. Herein, we first calculated difference between thermodynamic limiting potentials CO2RR and hydrogen evolution reaction, well *CO binding energy over Cu2O doped with different metals, results indicated that doping Gd...
Reducing CO2 into fuels via photochemical reactions relies on highly efficient photocatalytic systems. Herein, we report a new and system for reduction. Driven by electrostatic attraction, an anionic metal-organic framework Cu-HHTP (HHTP = 2,3,6,7,10,11-hexahydroxytriphenylene) as host cationic photosensitizer [Ru(phen)3]2+ (phen 1,10-phenanthroline) guest were self-assembled Ru@Cu-HHTP, which showed high activity reduction under laboratory light source (CO production rate of 130(5) mmol g-1...
Electrochemical reduction of CO2 to chemicals and fuels is an interesting attractive way mitigate greenhouse gas emissions energy shortages. In this work, we report the use atomic catalysts for electroreduction CO. The were anchored on N-doped carbon (InA/NC) through pyrolysis In-based metal–organic frameworks (MOFs) dicyandiamide. It was discovered that InA/NC had outstanding performance selective CO production in mixed electrolyte ionic liquid/MeCN. different from those common materials,...
A coupling catalyst of highly dispersed N, P co-doped carbon frames (NPCFs) anchored with Fe single atoms (SAs) and Fe2 nanoparticles (NPs) is synthesized by a novel in situ doping-adsorption-phosphatization strategy for the electrocatalytic oxygen reduction reaction (ORR). The optimized SAs-Fe2 NPs/NPCFs-2.5 shows superior ORR activity stability 0.5 m H2 SO4 0.1 KOH, respectively. Theoretical calculations reveal synergistic effect, that existence weakens adsorption intermediates on active...
Controllable synthesis of ultrasmall atomically ordered intermetallic nanoparticles is a challenging task, owing to the high temperature commonly required for formation phases. Here, metal-organic framework (MOF)-confined co-reduction strategy developed preparation sub-2 nm PdZn nanoparticles, by employing well-defined porous structures calcinated ZIF-8 (ZIF-8C) and an in situ therein. HAADF-STEM, HRTEM, EDS characterizations reveal homogeneous dispersion these within ZIF-8C frameworks. XRD,...
Hydrogen evolution reaction (HER) in neutral media is of great practical importance for sustainable hydrogen production, but generally suffers from low activities, the cause which has been a puzzle yet to be solved. Herein, by investigating synergy between Ru single atoms (RuNC) and RuSex cluster compounds (RuSex) HER using ab initio molecular dynamics, operando X-ray absorption spectroscopy, surface-enhanced infrared we establish that interfacial water governs HER. The rigid layer would...