Pengyi Tang
YOU?
Author Swipe
View article: NIR‐Triggered Upconversion‐Perovskite Heterostructures for Non‐Genetic, Implant‐Free Optoelectronic Neuromodulation
NIR‐Triggered Upconversion‐Perovskite Heterostructures for Non‐Genetic, Implant‐Free Optoelectronic Neuromodulation Open
Optoelectronic neuromodulation has transformed neuroscience research and holds great promise for treating neurological disorders. However, conventional optoelectronic methods rely on ultraviolet/visible light, which poorly penetrates tissu…
View article: Oxygen Vacancy Engineering of Metal Oxide Materials for Photoelectrochemical Water Splitting
Oxygen Vacancy Engineering of Metal Oxide Materials for Photoelectrochemical Water Splitting Open
Photoelectrochemical (PEC) water splitting presents a promising route for sustainable hydrogen production, yet the efficiency of metal oxide photoanodes remains limited by suboptimal light absorption, charge carrier recombination, and slug…
View article: An engineered living biofilm system for sustainable conversion of CO2 into polyhydroxyalkanoates
An engineered living biofilm system for sustainable conversion of CO2 into polyhydroxyalkanoates Open
View article: Instant noninvasive near-infrared deep brain stimulation using optoelectronic nanoparticles without genetic modification
Instant noninvasive near-infrared deep brain stimulation using optoelectronic nanoparticles without genetic modification Open
Noninvasive transcranial neuromodulation of deep brain regions is a longstanding goal in neuroscience. While optogenetics enables remote neural control, it is constrained by shallow tissue penetration of visible light and delayed onset due…
View article: Visualizing Electrochemical CO<sub>2</sub> Reduction Reaction: Recent Progress of In Situ Liquid Cell Transmission Electron Microscopy
Visualizing Electrochemical CO<sub>2</sub> Reduction Reaction: Recent Progress of In Situ Liquid Cell Transmission Electron Microscopy Open
The electrochemical carbon dioxide reduction reaction (CO 2 RR), driven by renewable energy, represents a promising approach for converting CO 2 into valuable fuels and chemicals, addressing pressing energy and environmental challenges. Ho…
View article: Nanoscale Resist‐Free Patterning of Halogenated Zeolitic Imidazolate Frameworks by Extreme UV Lithography
Nanoscale Resist‐Free Patterning of Halogenated Zeolitic Imidazolate Frameworks by Extreme UV Lithography Open
Advancements in patterning techniques for metal–organic frameworks (MOFs) are crucial for their integration into microelectronics. However, achieving precise nanoscale control of MOF structures remains challenging. In this work, a resist‐f…
View article: Electron delocalization engineering via hierarchical modulation in single-atom catalysts for highly efficient electrochemical CO2 reduction
Electron delocalization engineering via hierarchical modulation in single-atom catalysts for highly efficient electrochemical CO2 reduction Open
Modulating the coordination of atomically dispersed MN4 moieties to enhance electron asymmetry presents a promising strategy for improving catalytic performance in the electrochemical reduction of carbon dioxide (eCO2RR). By combining smal…
View article: The rise of single-atom catalysts in hematite photoanodes for photoelectrochemical water splitting
The rise of single-atom catalysts in hematite photoanodes for photoelectrochemical water splitting Open
View article: Molten Salt‐Assisted Synthesis of Porous Precious Metal‐Based Single‐Atom Catalysts for Oxygen Reduction Reaction
Molten Salt‐Assisted Synthesis of Porous Precious Metal‐Based Single‐Atom Catalysts for Oxygen Reduction Reaction Open
Precious metal‐based single‐atom catalysts (PM‐SACs) hosted in N‐doped carbon supports have shown new opportunities to revolutionize cathodic oxygen reduction reaction (ORR). However, stabilizing the high density of PM‐N x sites remains a …
View article: A Catalyst‐Like System Enables Efficient Perovskite Solar Cells
A Catalyst‐Like System Enables Efficient Perovskite Solar Cells Open
High‐quality perovskite films are essential for achieving high performance of optoelectronic devices; However, solution‐processed perovskite films are known to suffer from compositional and structural inhomogeneity due to lack of systemati…
View article: Bifunctional PdMoPt trimetallene boosts alcohol–water electrolysis
Bifunctional PdMoPt trimetallene boosts alcohol–water electrolysis Open
An alcohol–water hybrid electrolysis system using PdMoPt trimetallene as a bifunctional catalyst achieves low voltage input for energy-efficient hydrogen production.
View article: Catalytic reactivity descriptors of metal‐nitrogen‐doped carbon catalysts for electrocatalysis
Catalytic reactivity descriptors of metal‐nitrogen‐doped carbon catalysts for electrocatalysis Open
Metal‐nitrogen‐doped carbon material have sparked enormous attentions as they show excellent electrocatalytic performance and provide a prototype for mechanistic understandings of electrocatalytic reactions. Researchers spare no effort to …
View article: FeS2-Decorated Carbon NanoFiber as Solid Phase Conversion-Type Cathode for Li-S Batteries
FeS2-Decorated Carbon NanoFiber as Solid Phase Conversion-Type Cathode for Li-S Batteries Open
A new cathode material, FeS2-decorated carbon nanofiber (CNF), is proposed for Li-S batteries. The structure and physicochemical properties of the material have been engineered to enhance the poor cycling stability typically displayed by s…
View article: Enabling full-scale grain boundary mitigation in polycrystalline perovskite solids
Enabling full-scale grain boundary mitigation in polycrystalline perovskite solids Open
There exists a considerable density of interaggregate grain boundaries (GBs) and intra-aggregate GBs in polycrystalline perovskites. Mitigation of intra-aggregate GBs is equally notable to that of interaggregate GBs as intra-aggregate GBs …
View article: Engineering the Interfacial Microenvironment via Surface Hydroxylation to Realize the Global Optimization of Electrochemical CO<sub>2</sub> Reduction
Engineering the Interfacial Microenvironment via Surface Hydroxylation to Realize the Global Optimization of Electrochemical CO<sub>2</sub> Reduction Open
The adsorption and activation of CO2 on the electrode interface is a prerequisite and key step for electrocatalytic CO2 reduction reaction (eCO2 RR). Regulating the interfacial microenvironment to promote t…
View article: Molecular engineering to introduce carbonyl between nickel salophen active sites to enhance electrochemical CO2 reduction to methanol
Molecular engineering to introduce carbonyl between nickel salophen active sites to enhance electrochemical CO2 reduction to methanol Open
View article: A novel π-d conjugated cobalt tetraaza[14]annulene based atomically dispersed electrocatalyst for efficient CO2 reduction
A novel π-d conjugated cobalt tetraaza[14]annulene based atomically dispersed electrocatalyst for efficient CO2 reduction Open
View article: Amorphizing noble metal chalcogenide catalysts at the single-layer limit towards hydrogen production
Amorphizing noble metal chalcogenide catalysts at the single-layer limit towards hydrogen production Open
View article: Site‐Specific Axial Oxygen Coordinated FeN<sub>4</sub> Active Sites for Highly Selective Electroreduction of Carbon Dioxide
Site‐Specific Axial Oxygen Coordinated FeN<sub>4</sub> Active Sites for Highly Selective Electroreduction of Carbon Dioxide Open
Regulating the coordination environment via heteroatoms to break the symmetrical electronic structure of M‐N 4 active sites provides a promising route to engineer metal‐nitrogen‐carbon catalysts for electrochemical CO 2 reduction reaction.…
View article: A High Conductivity 1D π–d Conjugated Metal–Organic Framework with Efficient Polysulfide Trapping‐Diffusion‐Catalysis in Lithium–Sulfur Batteries
A High Conductivity 1D π–d Conjugated Metal–Organic Framework with Efficient Polysulfide Trapping‐Diffusion‐Catalysis in Lithium–Sulfur Batteries Open
The shuttling behavior and sluggish conversion kinetics of the intermediate lithium polysulfides (LiPS) represent the main obstructions to the practical application of lithium–sulfur batteries (LSBs). Herein, a 1D π–d conjugated metal–orga…
View article: A Novel Π-D Conjugated Cobalt Tetraaza[14]Annulene Organic Framework for Efficient Electrocatalytic Co2 Reduction
A Novel Π-D Conjugated Cobalt Tetraaza[14]Annulene Organic Framework for Efficient Electrocatalytic Co2 Reduction Open
View article: Atomic-Scale Insights into Nickel Exsolution on LaNiO<sub>3</sub> Catalysts via <i>In Situ</i> Electron Microscopy
Atomic-Scale Insights into Nickel Exsolution on LaNiO<sub>3</sub> Catalysts via <i>In Situ</i> Electron Microscopy Open
Using a combination of in situ bulk and surface characterization techniques, we provide atomic-scale insight into the complex surface and bulk dynamics of a LaNiO3 perovskite material during heating in vacuo…
View article: Molecular Engineering to Tune the Ligand Environment of Atomically Dispersed Nickel for Efficient Alcohol Electrochemical Oxidation
Molecular Engineering to Tune the Ligand Environment of Atomically Dispersed Nickel for Efficient Alcohol Electrochemical Oxidation Open
Atomically dispersed metals maximize the number of catalytic sites and enhance their activity. However, their challenging synthesis and characterization strongly complicates their optimization. Here, the aim is to demonstrate that tuning t…
View article: Metal Oxide Clusters on Nitrogen-Doped Carbon are Highly Selective for CO<sub>2</sub> Electroreduction to CO
Metal Oxide Clusters on Nitrogen-Doped Carbon are Highly Selective for CO<sub>2</sub> Electroreduction to CO Open
The electrochemical reduction of CO2 (eCO2RR) using renewable energy is an effective approach to pursue carbon neutrality. The eCO2RR to CO is indispensable in promoting C-C coupling through bifunctional catalysis and achieving cascade con…
View article: Decoupling the effects of defects on efficiency and stability through phosphonates in stable halide perovskite solar cells
Decoupling the effects of defects on efficiency and stability through phosphonates in stable halide perovskite solar cells Open
View article: Push‐Pull Electronic Effects in Surface‐Active Sites Enhance Electrocatalytic Oxygen Evolution on Transition Metal Oxides
Push‐Pull Electronic Effects in Surface‐Active Sites Enhance Electrocatalytic Oxygen Evolution on Transition Metal Oxides Open
Sustainable electrocatalysis of the oxygen evolution reaction (OER) constitutes a major challenge for the realization of green fuels. Oxides based on Ni and Fe in alkaline media have been proposed to avoid using critical raw materials. How…
View article: Atomically dispersed Fe in a C<sub>2</sub>N Based Catalyst as a Sulfur Host for Efficient Lithium–Sulfur Batteries
Atomically dispersed Fe in a C<sub>2</sub>N Based Catalyst as a Sulfur Host for Efficient Lithium–Sulfur Batteries Open
Lithium–sulfur batteries (LSBs) are considered to be one of the most promising next generation energy storage systems due to their high energy density and low material cost. However, there are still some challenges for the commercializatio…
View article: WITHDRAWN: Amorphizing noble metal for single-atom-layer catalysis
WITHDRAWN: Amorphizing noble metal for single-atom-layer catalysis Open
Rational design of noble catalysts with a potential to leverage efficiency at the atomic scale is vital for industrial applications. Such an ultimate atom-utilization efficiency can be achieved when all noble atoms exclusively contribute t…
View article: Cobalt Hexacyanoferrate as a Selective and High Current Density Formate Oxidation Electrocatalyst
Cobalt Hexacyanoferrate as a Selective and High Current Density Formate Oxidation Electrocatalyst Open
Herein we report the selectivity, stability, and electrochemical characterization of cobalt hexacyanoferrate, the Co–Fe Prussian Blue derivative (CoFePB), as a formate/formic acid oxidation electrocatalyst in aqueous media. CoFePB is able …
View article: Stability of Pd<sub>3</sub>Pb Nanocubes during Electrocatalytic Ethanol Oxidation
Stability of Pd<sub>3</sub>Pb Nanocubes during Electrocatalytic Ethanol Oxidation Open
Altres ajuts: ICN2 is funded by the CERCA. Part of the present work has been performed in the framework of Universitat Autònoma de Barcelona Materials Science PhD program. T.Z. has received funding from the CSC-UAB PhD scholarship program.