A5100366197- Catalytic Processes in Materials Science
- Quantum Information and Cryptography
- Electrocatalysts for Energy Conversion
- Advanced Photocatalysis Techniques
- Photonic and Optical Devices
- Semiconductor Quantum Structures and Devices
- Nanomaterials for catalytic reactions
- Quantum optics and atomic interactions
- Catalysis and Oxidation Reactions
- Neural Networks and Reservoir Computing
- Gut microbiota and health
- Cryptography and Data Security
- Helicobacter pylori-related gastroenterology studies
- Gastric Cancer Management and Outcomes
- Stochastic Gradient Optimization Techniques
- Ammonia Synthesis and Nitrogen Reduction
- Hydrogen Storage and Materials
- Privacy-Preserving Technologies in Data
- Zeolite Catalysis and Synthesis
- Copper-based nanomaterials and applications
- Metal-Organic Frameworks: Synthesis and Applications
- Optical Network Technologies
- Psoriasis: Treatment and Pathogenesis
- Biofuel production and bioconversion
- Liver Disease and Transplantation
University of Science and Technology of China
2016-2025
Collaborative Innovation Center of Chemistry for Energy Materials
2017-2024
Hefei National Center for Physical Sciences at Nanoscale
2019-2024
Beijing Academy of Quantum Information Sciences
2024
CAS Key Laboratory of Urban Pollutant Conversion
2016-2019
Alibaba Group (China)
2016
Institute of Disaster Prevention
2014
Quantum computing experiments are moving into a new realm of increasing size and complexity, with the short-term goal demonstrating an advantage over classical computers. Boson sampling is promising platform for such goal; however, number detected single photons up to five so far, limiting these small-scale implementations proof-of-principle stage. Here, we develop solid-state sources highly efficient, pure, indistinguishable 3D integration ultralow-loss optical circuits. We perform 20 pure...
Abstract Knowledge of the photocatalytic H 2 evolution mechanism is great importance for designing active catalysts toward a sustainable energy supply. An atomic‐level insight, design, and fabrication single‐site Co 1 ‐N 4 composite as prototypical photocatalyst efficient production reported. Correlated atomic characterizations verify that atomically dispersed atoms are successfully grafted by covalently forming structure on g‐C 3 N nanosheets layer deposition. Different from conventional...
Site-selective blocking by ALD disentangles the geometric and electronic effects of catalysts beyond selectivity volcano.
By pulsed $s$-shell resonant excitation of a single quantum dot-micropillar system, we generate long streams 1000 near-transform-limited photons with high mutual indistinguishability. The Hong-Ou-Mandel interference two is measured as function their emission time separation varying from 13 ns to $14.7\text{ }\text{ }\ensuremath{\mu}\mathrm{s}$, where the visibility slightly drops 95.9(2)% plateau 92.1(5)% through slow dephasing process occurring at scale $0.7\text{...
Abstract Supported metal nanoclusters consisting of several dozen atoms are highly attractive for heterogeneous catalysis with unique catalytic properties. However, the nanocluster catalysts face challenges thermal sintering and consequent deactivation owing to loss surface areas particularly in applications high-temperature reactions. Here, we report that sulfur—a documented poison reagent catalysts—when doped a carbon matrix can stabilize ~1 nanometer (Pt, Ru, Rh, Os, Ir) at high...
The types and quantities of active sites play a critical role in catalysis. Herein, ZnO nanoparticles encapsulated into N-doped porous carbon has been rationally prepared by the pyrolysis metal-organic framework (MOF) followed moderate oxidation treatment. resulting catalyst exhibits excellent activity, selectivity, recyclability CO2 cycloaddtion reactions with epoxides owing to synergy multiple inherited from MOF generated process.
Abstract Single‐atom catalysts (SACs) represent a new frontier in heterogeneous catalysis due to their remarkable catalytic properties and maximized atomic utilization. However, single atoms often bond the support with polarized electron density thus exhibit high valence state, limiting scopes many chemical transformations. Here, it is demonstrated that 2D black phosphorus (BP) acts as giant (P) ligand confine of (e.g., Pd 1 , Pt ) via layer deposition. Unlike other materials, BP relatively...
Regulation of the atom-atom interspaces dual-atom catalysts is essential to optimize synergy achieve high activity but remains challenging. Herein, we report an effective strategy regulate Pt1 -Ni1 interspace Ni1 dimers and +Ni1 heteronuclear dual-single-atom (HDSACs) by tailoring steric hindrance between metal precursors during synthesis. Spectroscopic characterization reveals obvious electron transfers in oxo not HDSAC. In hydrolysis ammonia borane (AB), H2 formation rates show inverse...
In the quest to build general-purpose photonic quantum computers, fusion-based computation has risen prominence as a promising strategy. This model allows ballistic construction of large cluster states which are universal for computation, in scalable and loss-tolerant way without feed forward, by fusing many small n-photon entangled resource states. However, key obstacle this architecture lies efficiently generating required essential on chips. One such critical seed state that not yet been...
A porphyrinic metal-organic framework (MOF), PCN-222(Fe), was found to exhibit sound activity and selectivity cyclohexanone cyclohexanol (known as KA oil) toward cyclohexane oxidation. Remarkably, hydrophobicity engineering of the MOF pore walls led significantly enhanced oil, far superior that homogeneous porphyrin catalyst.
Abstract Background Gastric microbial dysbiosis were reported to be associated with gastric cancer (GC). This study aimed explore the variation, diversity, and composition patterns of bacteria in stages carcinogenesis based on published datasets. Methods We conducted a analysis using 10 public datasets 16S rRNA sequencing, including 1270 biopsies 109 health control, 183 superficial gastritis (SG), 135 atrophic (AG), 124 intestinal metaplasia (IM), 94 intraepithelial neoplasia (IN), 344 GC,...
Gastric microbiota may be involved in gastric cancer. The relationship between gastrointestinal microbes and the risk of cancer is unclear. This study aimed to explore intestinal bacteria associated with gastritis precancerous lesions. We conducted a case-control by performing 16S rRNA gene analysis biopsies, juices, stool samples from 148 cases or lesions Anhui neighboring provinces, China. And we validated our findings public datasets.Analysis microbial sequences revealed decreased...
In the quest to realize a scalable quantum network, semiconductor dots (QDs) offer distinct advantages, including high single-photon efficiency and indistinguishability, repetition rate (tens of gigahertz with Purcell enhancement), interconnectivity spin qubits, on-chip platform. However, in past two decades, visibility interference between independent QDs rarely went beyond classical limit 50%, distances were limited from few meters kilometers. Here, we report single photons separated by...
The mass specific rates and propylene selectivity of ZnO catalysts exhibit a volcano relation with the size in propane dehydrogenation (PDH) reaction.
Abstract Knowledge of the photocatalytic H 2 evolution mechanism is great importance for designing active catalysts toward a sustainable energy supply. An atomic‐level insight, design, and fabrication single‐site Co 1 ‐N 4 composite as prototypical photocatalyst efficient production reported. Correlated atomic characterizations verify that atomically dispersed atoms are successfully grafted by covalently forming structure on g‐C 3 N nanosheets layer deposition. Different from conventional...
Abstract Catalyst deactivation by sintering and coking is a long‐standing issue in metal‐catalyzed harsh high‐temperature hydrocarbon reactions. Ultrathin oxide coatings of metal nanocatalysts have recently appeared attractive to address this issue, while the porosity overlayer difficult control preserve accessibility embedded nanoparticles, thus often leading large decrease activity. Here, we report that nanometer‐thick alumina coating MgAl 2 O 4 ‐supported catalysts followed reduction can...
Single-atom catalysts (SACs) have recently become highly attractive for selective hydrogenation reactions owing to their remarkably high selectivity. However, compared nanoparticle counterparts, atomically dispersed metal atoms in SACs often show inferior activity and are prone aggregate under reaction conditions. Here, by theoretical calculations, we that tuning the local electronic structures of anchor sites on g-C
Abstract Regulation of the atom‐atom interspaces dual‐atom catalysts is essential to optimize synergy achieve high activity but remains challenging. Herein, we report an effective strategy regulate Pt 1 ‐Ni interspace Ni dimers and +Ni heteronuclear dual‐single‐atom (HDSACs) by tailoring steric hindrance between metal precursors during synthesis. Spectroscopic characterization reveals obvious electron transfers in oxo not HDSAC. In hydrolysis ammonia borane (AB), H 2 formation rates show...
Preferential oxidation of CO in H2 (PROX) has been regarded as the most promising on-board approach to remove trace levels (∼1%) present hydrogen fuels and thus protect Pt electrodes proton exchange membrane fuel cells (PEMFCs) against poisoning. However, development an active selective catalyst toward a broad low-temperature range remains challenging due competitive reaction. Here, we report that deposition FeOx overcoat onto SiO2-supported Ir nanoparticles using atomic layer (ALD)...
Intensity squeezing—i.e., photon number fluctuations below the shot-noise limit—is a fundamental aspect of quantum optics and has wide applications in metrology. It was predicted 1979 that intensity squeezing could be observed resonance fluorescence from two-level system. However, its experimental observation solid states hindered by inefficiencies generating, collecting, detecting fluorescence. Here, we report single-mode fiber-coupled single-photon source based on dot–micropillar We detect...