Search Results - "Niu, Xianghong"
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Rational Design and Characterization of Direct Z‑Scheme Photocatalyst for Overall Water Splitting from Excited State Dynamics Simulations
Published in ACS catalysis (07-02-2020)“…Direct Z-scheme heterostructure photocatalysts possess tremendous potential to solar-driven overall water splitting, but how to rationally design and…”
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Electronic and Optical Properties of Edge-Functionalized Graphene Quantum Dots and the Underlying Mechanism
Published in Journal of physical chemistry. C (05-11-2015)“…We systematically investigate the electronic structure and optical properties of edge-functionalized graphene quantum dots (GQDs) utilizing density functional…”
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Defect Engineering for Modulating the Trap States in 2D Photoconductors
Published in Advanced materials (Weinheim) (04-10-2018)“…Defect‐induced trap states are essential in determining the performance of semiconductor photodetectors. The de‐trap time of carriers from a deep trap can be…”
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Greatly Enhanced Optical Absorption of a Defective MoS2 Monolayer through Oxygen Passivation
Published in ACS applied materials & interfaces (25-05-2016)“…Structural defects in the molybdenum disulfide (MoS2) monolayer are widely reported and greatly degrade the transport and photoluminescence. However, how they…”
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Te-vacancy defect triggering photocatalytic overall water splitting for MoTe2/GeN Z-scheme heterostructure
Published in Applied physics letters (04-03-2024)“…Developing proper semiconductor photocatalysts is urgently needed to solve energy and environmental crises. Especially, photocatalysts for water splitting with…”
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Arginine-modified black phosphorus quantum dots with dual excited states for enhanced electrochemiluminescence in bioanalysis
Published in Nature communications (26-11-2022)“…The electrochemiluminescence (ECL) is generally emitted via radiative transition of singlet or triplet excited state (S 1 or T 1 ). Herein, an ECL mechanism…”
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Robust half metallic properties in two-dimensional transition metal borocarbides: TMBC (TM = 3d transition metals)
Published in Applied physics letters (25-03-2024)“…Two-dimensional transition metal borocarbides with intrinsic magnetism have garnered significant research attention due to their potential applications in…”
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Optical regulation by localized states of Cu2+ ions with highly sensitive to trap density and thermalization in manganese-doped perovskite nanocrystals
Published in Applied physics letters (12-02-2024)“…Mn2+-doped perovskites nanocrystals (NCs) have already been extensively studied in fascinating optical, electronic, and magnetic properties. Such interesting…”
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High-Temperature Ferroelectricity and Photoluminescence in a Hybrid Organic–Inorganic Compound: (3-Pyrrolinium)MnCl3
Published in Journal of the American Chemical Society (14-10-2015)“…Coupling of ferroelectricity and optical properties has become an interesting aspect of material research. The switchable spontaneous polarization in…”
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2D MnTiX2 (X = F/Cl/Br) monolayers: Robust valley-polarized quantum anomalous Hall insulators with high transition temperatures and wide bandgaps
Published in Applied physics letters (15-07-2024)“…The valley-polarized quantum anomalous Hall (VP-QAH) materials, which combine valley polarization and the quantum anomalous Hall (QAH) effect, are of both…”
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The regulating effect of twisted angle on the photocatalytic overall water splitting for C3N/C3B heterojunction
Published in Applied physics letters (26-06-2023)“…The construction of van der Waals heterojunctions for photocatalytic overall water splitting is a promising strategy for obtaining clean energy. Good carrier…”
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Modulating impurity levels in two-dimensional polar materials for photocatalytic overall water splitting
Published in Applied physics letters (23-10-2023)“…Doping to induce suitable impurity levels is an effective strategy to achieve highly efficient photocatalytic overall water splitting (POWS). However, to…”
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POD Nanozyme optimized by charge separation engineering for light/pH activated bacteria catalytic/photodynamic therapy
Published in Signal transduction and targeted therapy (28-03-2022)“…The current feasibility of nanocatalysts in clinical anti-infection therapy, especially for drug-resistant bacteria infection is extremely restrained because…”
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Monitoring substrate-induced electron–phonon coupling at interfaces of 2D organic/inorganic van der Waals heterostructures with in situ Raman spectroscopy
Published in Applied physics letters (02-05-2022)“…Multifunctional devices based on 2D organic/inorganic van der Waals heterostructures (2D OIHs) exhibit excellent properties due to extensive and flexible…”
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Field-free spin–orbit torque-induced switching of perpendicular magnetization at room temperature in WTe2/ferromagnet heterostructures
Published in Applied physics letters (18-12-2023)“…Spin–orbit torque provides an efficient way to achieve switching of perpendicular magnetization, which is essential for designing energy-efficient spintronic…”
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Metal-Free Single Atom Catalyst for N2 Fixation Driven by Visible Light
Published in Journal of the American Chemical Society (31-10-2018)“…Solar nitrogen (N2) fixation is the most attractive way for the sustainable production of ammonia (NH3), but the development of a highly active, long-term…”
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Efficient charge transfer in WS2/WxMo1−xS2 heterostructure empowered by energy level hybridization
Published in Science China. Information sciences (01-02-2023)“…Photoinduced charge transfer (CT) is decisive to the efficiency and speed of photoelectric conversion in two-dimensional (2D) van der Waals (vdWs)…”
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Revealing the pH‐Dependent Photoluminescence Mechanism of Graphitic C3N4 Quantum Dots
Published in Advanced theory and simulations (01-09-2019)“…Graphitic C3N4 quantum dots (g‐C3N4 QDs), as a kind of widely explored fluorescent materials, show pH‐dependent photoluminescence feature. However, opposite…”
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First-principles study of Li-doped planar g-C3N5 as reversible H2 storage material
Published in Frontiers in chemistry (25-10-2023)“…Under the background of energy crisis, hydrogen owns the advantage of high combustion and shows considerable environment friendliness; however, to fully…”
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Tunable Electronic and Magnetic Properties of 3d Transition Metal Atom-Intercalated Transition Metal Dichalcogenides: A Density Functional Theory Study
Published in Inorganics (01-09-2024)“…Currently, intercalation has become an effective way to modify the fundamental properties of two-dimensional (2D) van der Waals (vdW) materials. Using density…”
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