Xuanhua Li

ORCID: 0000-0003-3243-3567
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About
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Research Areas
  • Advanced Photocatalysis Techniques
  • Perovskite Materials and Applications
  • Conducting polymers and applications
  • Quantum Dots Synthesis And Properties
  • Copper-based nanomaterials and applications
  • Organic Electronics and Photovoltaics
  • Gold and Silver Nanoparticles Synthesis and Applications
  • Organic Light-Emitting Diodes Research
  • Chalcogenide Semiconductor Thin Films
  • 2D Materials and Applications
  • Electrocatalysts for Energy Conversion
  • Building materials and conservation
  • Advanced Nanomaterials in Catalysis
  • Gas Sensing Nanomaterials and Sensors
  • Advanced battery technologies research
  • MXene and MAX Phase Materials
  • Plasmonic and Surface Plasmon Research
  • ZnO doping and properties
  • Cultural Heritage Materials Analysis
  • Advanced biosensing and bioanalysis techniques
  • Distributed systems and fault tolerance
  • Radiation Effects in Electronics
  • Solar-Powered Water Purification Methods
  • Nanocluster Synthesis and Applications
  • Advanced Antenna and Metasurface Technologies

Northwestern Polytechnical University
2016-2025

Sanda University
2023

Dunhuang Research Academy
2023

State Administration of Cultural Heritage
2021

Queen Mary University of London
2020

China XD Group (China)
2014-2020

Nano Energy (South Africa)
2015-2020

Wuhan University of Technology
2018

Chinese Academy of Sciences
2010-2017

Institute of Solid State Physics
2016-2017

Dual plasmonic metallic nanostructures in organic solar cells are demonstrated by simultaneously incorporating gold nanoparticles (NPs) into the active layer and fabricating silver nanograting electrode means of a vacuum-assisted nanoimprinting method. Apart from waveguide modes diffraction, hybridized surface resonances (SPRs, Ag nanograting) localized (LPRs, Au NPs) introduced to successfully achieve high power conversion efficiency (PCE). Detailed facts importance specialist readers...

10.1002/adma.201200120 article EN Advanced Materials 2012-05-08

Materials with an ultralow density and ultrahigh electromagnetic-interference (EMI)-shielding performance are highly desirable in fields of aerospace, portable electronics, so on. Theoretical work predicts that 3D carbon nanotube (CNT)/graphene hybrids one the most promising lightweight EMI shielding materials, owing to their unique nanostructures extraordinary electronic properties. Herein, for first time, a lightweight, flexible, conductive CNT-multilayered graphene edge plane (MLGEP)...

10.1002/adma.201701583 article EN Advanced Materials 2017-06-19

Abstract A multifunctional Au‐coated TiO 2 nanotube array is made via synthesis of a through ZnO template, followed by deposition Au particles onto the surface using photocatalytic and hydrothermal method, respectively. Such arrays exhibit superior detection sensitivity with high reproducibility stability. In addition, due to possessing stable catalytic properties, can clean themselves degradation target molecules adsorbed substrate under irradiation UV light into inorganic small...

10.1002/adfm.201000792 article EN Advanced Functional Materials 2010-07-21

Abstract Solar-driven hydrogen production from water using particulate photocatalysts is considered the most economical and effective approach to produce fuel with little environmental concern. However, efficiency of in photocatalysis systems still low. Here, we propose an efficient biphase photocatalytic system composed integrated photothermal–photocatalytic materials that use charred wood substrates convert liquid steam, simultaneously splitting under light illumination without additional...

10.1038/s41467-021-21526-4 article EN cc-by Nature Communications 2021-02-26

Abstract It is been widely reported that plasmonic effects in metallic nanomaterials can enhance light trapping organix solar cells (OSCs). However, typical nanoparticles (NP) of high quality (i.e., mono‐dispersive) only possess a single resonant absorption peak, which inevitably limits the power conversion efficiency (PCE) enhancement to narrow spectral range. Broadband obviously highly desirable. In this paper, combination Ag different shapes, including and nanoprisms, proposed for...

10.1002/adfm.201202476 article EN Advanced Functional Materials 2013-01-06

Abstract Despite being a promising candidate for next‐generation photovoltaics, perovskite solar cells (PSCs) exhibit limited stability that hinders their practical application. In order to improve the humidity of PSCs, herein, series ionic liquids (ILs) “1‐alkyl‐4‐amino‐1,2,4‐triazolium” (termed as RATZ; R represents alkyl chain, and ATZ 4‐amino‐1,2,4‐triazolium) cations are designed used additives in methylammonium lead iodide (MAPbI 3 ) precursor solution, obtaining triazolium...

10.1002/adfm.201900417 article EN Advanced Functional Materials 2019-02-18

We for the first time report application of a polymeric room-temperature molten salt in high efficiency and excellent stability inverted perovskite solar cells.

10.1039/d0ee02043e article EN Energy & Environmental Science 2020-01-01

Abstract Although photocatalytic overall water splitting is a potential technology for converting solar energy into chemical fuel, the widely reported solar‐to‐hydrogen efficiency around 1%, indicating unsatisfactory performance. Here, novel photocatalyst material designed and whole reaction system constructed, resulting in an integrative photothermal–photocatalytic Z‐scheme system. In terms of materials design, sulfur‐deficient ZnIn 2 S 4 /oxygen‐deficient WO 3 (ZIS–WO) hybrid with...

10.1002/aenm.202102452 article EN Advanced Energy Materials 2021-10-27

A multidentate-cross-linking strategy using adequate functional groups in star-polymer to directly chelate perovskite materials multiple directions achieves superior device stability at high efficiency.

10.1039/d1ee01800k article EN Energy & Environmental Science 2021-01-01

Abstract Photocatalytic overall water splitting into hydrogen and oxygen is desirable for long-term renewable, sustainable clean fuel production on earth. Metal sulfides are considered as ideal hydrogen-evolved photocatalysts, but their component homogeneity typical sulfur instability cause an inert production, which remains a huge obstacle to water-splitting. Here, distortion-evoked cation-site doping of ZnIn 2 S 4 (D-O-ZIS) creates significant electronegativity differences between adjacent...

10.1038/s41467-024-44725-1 article EN cc-by Nature Communications 2024-01-06

Abstract Although perovskite solar cells (PSCs) are on the road to industrialization, operational stability under high efficiency still needs be improved, and water solubility of lead ions (Pb 2+ ) will cause environmental pollution problems. Herein, it is successfully implanted an environment‐friendly (biodegradability) poly(butylene adipate‐coterephthalate) polymer (PBAT) into film, which can passivate uncoordinated Pb neutral iodine defects material because adequate carbonyl groups...

10.1002/adfm.202201036 article EN Advanced Functional Materials 2022-04-14

Abstract [4‐(3,6‐dimethyl‐9H‐carbazol‐9yl)butyl]phosphonic acid (Me‐4PACz) self‐assembled molecules (SAM) are an effective method to solve the problem of buried interface NiO x in inverted perovskite solar cells (PSCs). However, Me‐4PACz end group (carbazole core) cannot forcefully passivate defects at bottom film. Here, a Co‐SAM strategy is employed modify PSCs. doped with phosphorylcholine chloride (PC) form improve monolayer coverage and reduce leakage current. The phosphate ions (Cl − )...

10.1002/adma.202311970 article EN cc-by Advanced Materials 2024-01-11

The performance enhancement of inverted perovskite solar cells applying nickel oxide (NiOx ) as the hole transport layer (HTL) has been limited by impurity ions (such nitrate ions). Herein, we have proposed a strategy to obtain high-quality NiOx nanoparticles via an ionic liquid-assisted synthesis method -IL). Experimental and theoretical results illustrate that cation liquid can inhibit adsorption on hydroxide through strong hydrogen bond low energy, thereby obtaining -IL HTL with high...

10.1002/anie.202116534 article EN Angewandte Chemie International Edition 2022-02-17

High-performance thermogalvanic cells have the potential to convert thermal energy into electricity, but their effectiveness is limited by low concentration difference of redox ions. We report an in situ photocatalytically enhanced reaction that generates hydrogen and oxygen realize a continuous gradient ions devices. A linear relation between thermopower production rate was established as essential design principle for The system exhibited 8.2 millivolts per kelvin solar-to-hydrogen...

10.1126/science.adg0164 article EN Science 2023-07-20

Encapsulation engineering is an effective strategy to improve the stability of perovskite solar cells. However, current encapsulation materials are not suitable for lead-based devices because their complex processes, poor thermal management, and inefficient lead leakage suppression. In this work, we design a self-crosslinked fluorosilicone polymer gel, achieving nondestructive at room temperature. Moreover, proposed effectively promotes heat transfer mitigates potential impact accumulation....

10.1038/s41467-023-36918-x article EN cc-by Nature Communications 2023-03-11

A novel ionic silicone polymer is introduced in perovskites to achieve stable inverted perovskite solar cells with high efficiency by deep defect passivation and shallow vacancy repair simultaneously.

10.1039/d2ee02227c article EN Energy & Environmental Science 2022-01-01

Severe carrier recombination and the slow kinetics of water splitting for photocatalysts hamper their efficient application. Herein, we propose a hydrovoltaic effect-enhanced photocatalytic system in which polyacrylic acid (PAA) cobaltous oxide (CoO)-nitrogen doped carbon (NC) achieve an enhanced effect CoO-NC acts as photocatalyst to generate H2 H2O2 products simultaneously. In this system, called PAA/CoO-NC, Schottky barrier height between CoO NC interface decreases by 33% due effect....

10.1038/s41467-023-37366-3 article EN cc-by Nature Communications 2023-03-30

Single-atom catalysts (SACs) on hematite photoanodes are efficient cocatalysts to boost photoelectrochemical performance. They feature high atom utilization, remarkable activity, and distinct active sites. However, the specific role of SACs is not fully understood yet: Do behave as a catalytic site or spectator? By combining spectroscopic experiments computer simulations, we demonstrate that single-atom iridium (sIr) (α-Fe2O3/sIr) act true catalyst by trapping holes from providing sites for...

10.1021/jacs.2c09974 article EN cc-by Journal of the American Chemical Society 2023-01-11

Abstract Water electrolysis is an environmentally‐friendly strategy for hydrogen production but suffers from significant energy consumption. Substituting urea oxidation reaction (UOR) with lower theoretical voltage water adopting nickel‐based electrocatalysts engenders reduced consumption production. The main obstacle remains strong interaction between accumulated Ni 3+ and *COO in the conventional ‐catalyzing pathway. Herein, a novel /Ni 2+ mediated pathway UOR via constructing...

10.1002/adma.202311766 article EN Advanced Materials 2024-01-16

Abstract Numerous deep/shallow level defects generated at the surface/grain boundaries of perovskite during uncontrollable crystallization pose a formidable challenge to photovoltaic performance solar cells (PSCs). Herein, an organometallic cobaltocenium salt additive, 1‐propanol‐2‐(1,2,3‐triazol‐4‐yl) hexafluorophosphate (PTCoPF 6 ), is incorporated into precursor solution regulate and minimize holistic for high‐performance inverted PSCs. The cations PF − in PTCoPF stabilize Pb‐I framework...

10.1002/aenm.202303972 article EN Advanced Energy Materials 2024-01-09
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