Xu Guo

ORCID: 0000-0003-1816-118X
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About
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Research Areas
  • Ferroelectric and Piezoelectric Materials
  • Advanced Photocatalysis Techniques
  • Microwave Dielectric Ceramics Synthesis
  • Quantum Dots Synthesis And Properties
  • Dielectric properties of ceramics
  • Astrophysics and Cosmic Phenomena
  • Perovskite Materials and Applications
  • Multiferroics and related materials
  • Copper-based nanomaterials and applications
  • Photorefractive and Nonlinear Optics
  • Gamma-ray bursts and supernovae
  • Nanofabrication and Lithography Techniques
  • Dielectric materials and actuators
  • Advancements in Battery Materials
  • Advanced Battery Materials and Technologies
  • Advanced Sensor and Energy Harvesting Materials
  • GaN-based semiconductor devices and materials
  • Advancements in Photolithography Techniques
  • Chalcogenide Semiconductor Thin Films
  • Metal and Thin Film Mechanics
  • Acoustic Wave Resonator Technologies
  • Semiconductor materials and devices
  • Gas Sensing Nanomaterials and Sensors
  • Photonic and Optical Devices
  • Conducting polymers and applications

Shaanxi University of Science and Technology
2018-2025

Jingdezhen Ceramic Institute
2025

Shaanxi Normal University
2021-2024

Jinan University
2024

Wenzhou Medical University
2024

Southwest Jiaotong University
2022-2024

Xi'an Jiaotong University
2015-2024

Chengdu University
2024

North China Electric Power University
2024

Nanjing University
1997-2023

Single-atom nickel catalysts hold great promise for photocatalytic water splitting due to their plentiful active sites and cost-effectiveness. Herein, we adopt a reactive-group guided strategy prepare atomically dispersed on red phosphorus. The hydrothermal treatment of phosphorus leads the formation P-H P-OH groups, which behave as reactive functionalities generate dual structure single-atom P-Ni P-O-Ni catalytic sites. produced provide two different functions: reduction oxidation....

10.1002/anie.202204711 article EN cc-by-nc Angewandte Chemie International Edition 2022-05-06

Abstract Weak adsorption of gas reactants and strong binding intermediates present a significant challenge for most transition metal oxides, particularly in the realm CO 2 photoreduction. Herein, we demonstrate that can be fine‐tuned by phase engineering oxide catalysts. An oxygen vacancy mediated topological Ni‐Co nanowires, supported on hierarchical graphene aerogel (GA), is observed from spinel to rock‐salt phase. Such situ empowers catalyst with internal electric field attainment...

10.1002/anie.202317957 article EN Angewandte Chemie International Edition 2024-01-25

High performance LaxSr1–xTiO3 (0.000 ≤ x 0.018) ceramics were prepared by a traditional solid-state method and sintered in nitrogen atmosphere. The phase structure micromorphology of the ceramic samples studied analysis XRD SEM, respectively. A small amount La ion doping promoted growth grains, no second was found. Meanwhile, La0.010Sr0.990TiO3 sample showed colossal permittivity 26 897 dielectric loss 0.005 at 1 kHz, 072 0.031 MHz, with high insulation resistivity (3.10 × 109 Ω·cm, DC 100...

10.1021/acssuschemeng.9b02143 article EN ACS Sustainable Chemistry & Engineering 2019-07-07

Dielectric materials with high energy densities and efficiencies are greatly required in the field of power electronics to satisfy demand.

10.1039/c9tc04738g article EN Journal of Materials Chemistry C 2019-01-01

With its power conversion efficiency surpassing those of all other thin-film solar cells only a few years after invention, the perovskite cell has become superstar. Controlling intermediate phase crystallization is key to obtaining high-quality films. Herein, single molecule additive, N,N-dimethylimidodicarbonimidic diamide hydroiodide (DIAI), incorporated into precursor eliminate influence phases. By taking advantage interaction DIAI and dimethyl sulfoxide (DMSO), FAI-PbI2 -DMSO complex...

10.1002/adma.202204098 article EN Advanced Materials 2022-06-29

Abstract Ferroelectric vinylidene fluoride‐trifluoroethylene copolymer [P(VDF‐TrFE)] free‐standing ultrahigh density (≈75 Gb inch −2 ) nanodot arrays are successfully fabricated through a facile, high‐throughput, and cost‐effective nano‐imprinting method using disposable anodic aluminum oxide with orderly arranged nanometer‐scale pores as molds. The nanodots show large‐area smooth surface morphology, the piezoresponse in each is strong uniform. preferred orientation of chains favorable for...

10.1002/adfm.201203042 article EN Advanced Functional Materials 2013-01-17

Low-cost and environment-friendly p-type Cu<sub>2</sub>S efficiently promoted photocatalytic hydrogen production of n-type semiconductor photocatalysts by forming nanoscale p–n junction structure.

10.1039/c5ra00091b article EN RSC Advances 2015-01-01

In the field of photocatalytic hydrogen generation, cocatalysts play a vital role in enhanced properties. Delicate control physicochemical properties and systematic optimization coupling between host photocatalysts are essential. Herein, simple one-step hydrothermal method was proposed to synthesize noble-metal-free NiSx/CdS for first time. Time-dependent growth studies revealed that NiSx CdS were intergrown with each other process. Compared NiSx@CdS prepared by common two-step method,...

10.1021/acsami.5b09943 article EN ACS Applied Materials & Interfaces 2015-12-29

An excellent hybrid III‐nitride/nanocrystal nanohole light‐emitting diode (h‐LED) has been developed utilizing nonradiative resonant energy transfer (NRET) between violet/blue emitting InGaN/GaN multiple quantum wells (MQWs) and various wavelength nanocrystals (NCs) as color‐conversion mediums. MQWs are fabricated into nanoholes by soft nanoimprint lithography to minimize the separation NCs. A significant reduction in decay lifetime of excitons structure observed a result NRET from nitride...

10.1002/adfm.201502870 article EN Advanced Functional Materials 2015-12-02

The integration of two different advanced oxidation processes can not only avoid their individual shortcomings but also utilize the synergistic effects between them. Herein, CoFe2O4 modified g-C3N4 composite (CoFe2O4@g-C3N4) was synthesized and used for building a novel coupled system, in which visible light-activated photocatalysis sulfate radical-based Fenton-like have been combined together to provide reaction path removal rhodamine B. system exhibited drastically enhanced catalytic...

10.1080/09593330.2019.1697378 article EN Environmental Technology 2019-11-25
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