Xuemei Zhou

ORCID: 0000-0002-3321-3606
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About
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Research Areas
  • Advanced Photocatalysis Techniques
  • TiO2 Photocatalysis and Solar Cells
  • Advanced Nanomaterials in Catalysis
  • Catalytic Processes in Materials Science
  • Copper-based nanomaterials and applications
  • Advanced biosensing and bioanalysis techniques
  • Electrochemical sensors and biosensors
  • Gas Sensing Nanomaterials and Sensors
  • Quantum Dots Synthesis And Properties
  • Iron oxide chemistry and applications
  • Advanced Battery Materials and Technologies
  • Electrocatalysts for Energy Conversion
  • Asymmetric Hydrogenation and Catalysis
  • Advancements in Battery Materials
  • Nanomaterials for catalytic reactions
  • Graphene and Nanomaterials Applications
  • Nanocluster Synthesis and Applications
  • Electronic and Structural Properties of Oxides
  • MXene and MAX Phase Materials
  • Thin-Film Transistor Technologies
  • Nanoplatforms for cancer theranostics
  • Metal-Organic Frameworks: Synthesis and Applications
  • Bone Tissue Engineering Materials
  • Virology and Viral Diseases
  • Supercapacitor Materials and Fabrication

Sichuan University
2020-2025

Chengdu University
2025

Hebei University
2023-2024

Indiana University Bloomington
2020-2024

Wenzhou University
2024

Chinese Academy of Sciences
2020-2024

Institute of Microbiology
2023-2024

Dalian Medical University
2024

Chongqing Medical University
2024

Second Affiliated Hospital of Chongqing Medical University
2024

Harvesting abundant and renewable sunlight in energy production environmental remediation is an emerging research topic. Indeed, on solar-driven heterogeneous photocatalysis based surface plasmon resonance has seen rapid growth potentially opens a technologically promising avenue that can benefit the sustainable development of global environment. This review briefly summarizes recent advances synthesis photocatalytic properties plasmonic composites (e.g., hybrid structures) formed by noble...

10.1039/c2jm31902k article EN Journal of Materials Chemistry 2012-01-01

Photodegradation of rhodamine B in the presence H2O2 by visible light over α-Fe2O3 architectures has been investigated (see picture; left to right: 1D nanorods, 2D nanoplates, 3D nanocubes). A link between exposed facets and their photoreactivity is established, following {110}>{012}≫{001}. Structure–reactivity correlations are a central theme heterogeneous catalysis.1–4 In general, crystallographic surface structure catalyst determined its facets, enclosed particle-like turn determine...

10.1002/anie.201105028 article EN Angewandte Chemie International Edition 2011-11-15

Photocatalytic reactions on TiO2 have recently gained an enormous resurgence because of various new strategies and findings that promise to drastically increase efficiency specificity such by modifications the titania scaffold chemistry. In view geometry, in particular, anodic nanotubes attracted wide interest, as they allow a high degree control over separation photogenerated charge carriers not only photocatalytic but also photoelectrochemical reactions. A key advantage ordered nanotube...

10.1021/acscatal.6b03709 article EN ACS Catalysis 2017-03-24

We apply high-energy proton ion-implantation to modify TiO2 nanotubes selectively at their tops. In the proton-implanted region we observe creation of intrinsic co-catalytic centers for photocatalytic H2-evolution. find implantation induce specific defects and a characteristic modification electronic properties not only in but also on anatase single crystal (001) surfaces. Nevertheless, strong synergetic effect between implanted (catalyst) implant-free tube segment (absorber) can be obtained.

10.1021/acs.nanolett.5b02663 article EN Nano Letters 2015-09-04

Visible light (λ > 420 nm) induced photocatalytic degradation of rhodamine B (RhB) in the presence H2O2 by one-dimensional (1D) nanorods goethite (α-FeOOH) and hematite (α-Fe2O3) has been investigated, results were compared to those micrometer-sized rods. α-FeOOH self-assembled oriented attachment primary nanoparticles, while porous α-Fe2O3 rods prepared thermal dehydration respective precursors via a topotactic transformation. The as-prepared samples characterized powder X-ray diffraction,...

10.1021/jp103816e article EN The Journal of Physical Chemistry C 2010-09-07

Low-dose nitrogen implantation induces an ion and damage profile in TiO2 nanotubes that leads to "co-catalytic" activity for photocatalytic H2 -evolution (without the use of any noble metal). Ion with adequate parameters creates this active zone limited top part tubes. The coupling layer underlying non-implanted additionally contributes efficient carrier separation thus a significantly enhanced generation.

10.1002/anie.201511580 article EN Angewandte Chemie International Edition 2016-02-16

A novel photocatalyst was prepared by anchoring Au nanoparticles (NPs) onto one-dimensional potassium niobate (KNbO3) nanowires. Photocatalytic activity towards rhodamine B degradation over Au/KNbO3 appears to be much greater than that of KNbO3 nanowires, nanorods and commercial Alfa Aesar. In terms reaction rate constant (k), ultraviolet excitation (λ = 365 nm) is higher visible-light > 420 increasing the size NPs from 5 10 nm significantly improves reactivity. Notably, with a ca. supported...

10.1039/c1nr10953g article EN Nanoscale 2011-01-01

Subnitrides strongly enhance the efficiency of Ta3 N5 -nanotube photoanodes in photochemical water splitting. The fabrication nanotube layers with a controlled subnitride layer at interface to back contact is demonstrated. insertion this has strong influence on electron transfer contact, and as result leads drastic shift photocurrent onset potential considerable enhancement conversion efficiency.

10.1002/adma.201505312 article EN Advanced Materials 2016-01-26

In this work, we use a double-layered stack of TiO2 nanotubes (TiNTs) to construct visible-light triggered drug delivery system. Key for release is hydrophobic cap on the containing Au nanoparticles (AuNPs). The AuNPs allow photocatalytic scission chain under visible light. To demonstrate principle, loaded antibiotic (ampicillin sodium (AMP)) in lower part nanotube stack, light induced release, and carried out antibacterial studies. from platform becomes most controllable if silane-grafted...

10.1002/anie.201508710 article EN Angewandte Chemie International Edition 2015-11-23

A new form of nanoceria, porous nanorods ceria (PN-CeO<sub>2</sub>), was prepared by a two-step hydrothermal synthesis. PN-CeO<sub>2</sub>has been found to display enhanced reducibility and capacity for oxygen storage.

10.1039/c4ta03718a article EN Journal of Materials Chemistry A 2014-01-01

Abstract The present work demonstrates the self‐organized formation of anodic molybdenum oxide nanotube arrays. amorphous tubes can be crystallized to MoO 2 or 3 and converted fully partially into sulfide. Vertically aligned x /MoS nanotubes formed when, under optimized conditions, defined MoS sheets form in a layer by arrangement that provide high density reactive stacking misalignments (defects). These core–shell arrays consist conductive suboxide core functional defect coating. Such...

10.1002/anie.201605551 article EN Angewandte Chemie International Edition 2016-09-07

Abstract The high‐pressure hydrogenation of commercially available anatase or anatase/rutile TiO 2 powder can create a photocatalyst for H evolution that is highly effective and stable without the need any additional co‐catalyst. This activation effect cannot be observed rutile; however, mixtures, strong synergistic found (similar to results commonly noble‐metal‐decorated ). EPR PL measurements indicated intrinsic co‐catalytic due specific defect centers formed during hydrogenation. These...

10.1002/anie.201408493 article EN Angewandte Chemie International Edition 2014-10-19

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 +...

10.1002/solr.201800298 article EN Solar RRL 2019-01-07

10.1016/s1872-2067(21)64045-7 article EN CHINESE JOURNAL OF CATALYSIS (CHINESE VERSION) 2022-01-01

Photocatalytic reduction of CO2 using solar energy is an effective means to achieve carbon neutrality. However, the photocatalytic efficiency still requires improvements. In this study, polyvinylidene fluoride (PVDF) ferroelectric/piezoelectric nanofiber membranes are prepared by electrospinning. Cadmium sulfide (CdS) nanosheets assembled in situ on surface PVDF based coordination between F- and Cd2+ , then Ag nanoparticles deposited CdS. Because synergistic effect localized plasmon...

10.1002/smll.202304202 article EN Small 2023-08-30

Abstract Titanium implants are widely used ; however, implantation occasionally fails due to infections during the surgery or poor osseointegration after surgery. To solve problem, an intelligent functional surface on titanium implant that can sequentially eradicate bacteria biofilm at initial period and promote late of post‐surgery time is designed. Such surfaces be excited by near infrared light (NIR), with rare earth nanoparticles upconvert NIR visible range adsorb Au nanoparticles,...

10.1002/adma.202307756 article EN Advanced Materials 2023-11-17

Apurinic/apyrimidinic endonuclease 1 (APE1), as a vital base excision repair enzyme, is essential for maintaining genomic integrity and stability, its abnormal expression closely associated with malignant tumors. Herein, we constructed an electrochemiluminescence (ECL) biosensor detecting APE1 activity by combining nanoconfined ECL silver nanoclusters (Ag NCs) X-shaped DNA recognizer-triggered cascade amplification. Specifically, the Ag NCs were prepared confined in...

10.1021/acs.analchem.4c01438 article EN Analytical Chemistry 2024-07-01

Visible-light induced degradation of an aqueous mixture containing MO and RhB on well-defined α-Fe2O3 nanocrystals shows that is more favorable such selectivity the {012} facet greater than {001}. The origin rationalized as inherent surface structural difference preferential molecular adsorption. As a service to our authors readers, this journal provides supporting information supplied by authors. Such materials are peer reviewed may be re-organized for online delivery, but not copy-edited...

10.1002/smll.201301870 article EN Small 2013-09-23
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