Search Results - "Chen, Keqiu"
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Efficient strain modulation of 2D materials via polymer encapsulation
Published in Nature communications (02-03-2020)“…Strain engineering is a promising method to manipulate the electronic and optical properties of two-dimensional (2D) materials. However, with weak van der…”
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2
Spin Polarization Enhances the Catalytic Activity of Monolayer MoSe2 for Oxygen Reduction Reaction
Published in Molecules (Basel, Switzerland) (13-07-2024)“…The key factors in achieving high energy efficiency for proton exchange membrane fuel cells are reducing overpotential and increasing the oxygen reduction…”
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3
Tunable Schottky barrier width and enormously enhanced photoresponsivity in Sb doped SnS2 monolayer
Published in Nano research (01-02-2019)“…Doping, which is the intentional introduction of impurities into a material, can improve the metal-semiconductor interface by reducing Schottky barrier width…”
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4
Evidence for moiré intralayer excitons in twisted WSe2/WSe2 homobilayer superlattices
Published in Light, science & applications (01-06-2022)“…Recent advances in twisted van der Waals heterostructure superlattices have emerged as a powerful and attractive platform for exploring novel condensed matter…”
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5
A Review of Ultrathin Piezoelectric Films
Published in Materials (14-04-2023)“…Due to their high electromechanical coupling and energy density properties, ultrathin piezoelectric films have recently been intensively studied as key…”
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6
Nitrogen doped graphitic carbon from biomass as non noble metal catalyst for oxygen reduction reaction
Published in Materials today energy (01-09-2019)“…This work reports a non noble metal catalyst for the oxygen reduction reaction (ORR) in alkaline. The catalyst is nitrogen doped graphitic carbon synthesized…”
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7
High Thermoelectric Performance of a Novel γ-PbSnX2 (X = S, Se, Te) Monolayer: Predicted Using First Principles
Published in Nanomaterials (Basel, Switzerland) (29-04-2023)“…Two-dimensional (2D) group IV metal chalcogenides are potential candidates for thermoelectric (TE) applications due to their unique structural properties. In…”
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8
Anomalous thermal anisotropy of two-dimensional nanoplates of vertically grown MoS2
Published in Applied physics letters (16-10-2017)“…Heat flow control plays a significant role in thermal management and energy conversion processes. Recently, two dimensional (2D) materials with unique…”
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9
Effects of the magnetic anchoring groups on spin-dependent transport properties of Ni(dmit)2 device
Published in Chemical physics letters (21-07-2014)“…•The spin-dependent electronic transport properties on Ni(dmit)2 device.•Effects of the magnetic anchoring groups on spin-dependent transport.•High…”
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10
Stimulated Emissions in Aligned CdS Nanowires at Room Temperature
Published in The journal of physical chemistry. B (29-12-2005)“…Aligned CdS nanowires (NWs) were obtained through a simple thermal evaporation process with highly active CdS nanoparticles as the evaporation source. These…”
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11
Molecular Design of Negative Differential Resistance Device through Intermolecular Interaction
Published in Journal of physical chemistry. C (27-12-2007)“…By applying nonequilibrium Green's functions coupled with first-principles electronic structures, we investigate the transport properties of the molecule…”
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12
Controllable unzipping for intramolecular junctions of graphene nanoribbons and single-walled carbon nanotubes
Published in Nature communications (22-01-2013)Get full text
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13
Toward a General Understanding of Exciton Self-Trapping in Metal Halide Perovskites
Published in The journal of physical chemistry letters (04-11-2021)“…Self-trapped excitons (STEs) have recently been observed in several metal halide perovskites (MHPs), especially in low-dimensional ones. Despite studies that…”
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14
Direct Observation of the Linear Dichroism Transition in Two-Dimensional Palladium Diselenide
Published in Nano letters (12-02-2020)“…The linear dichroism (LD) transition within anisotropic photonic materials displays promising prospects for applications in polarization-wavelength-selective…”
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15
Tuning the Catalytic Property of Phosphorene for Oxygen Evolution and Reduction Reactions by Changing Oxidation Degree
Published in The journal of physical chemistry letters (20-06-2019)“…The development of inexpensive metal-free catalysts for oxygen evolution reaction (OER) and oxygen reduction reaction (ORR) is highly desirable for fuel cells…”
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16
Evidence for interlayer coupling and moiré excitons in twisted WS2/WS2 homostructure superlattices
Published in Nano research (01-02-2023)“…The formation of moiré superlattices in twisted van der Waals (vdW) homostructures provides a versatile platform for designing the electronic band structure of…”
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17
Conjugation-regulated lateral and stereoelectronic effects in single-molecule junctions
Published in Chemical engineering journal (Lausanne, Switzerland : 1996) (15-11-2024)“…[Display omitted] •The STM-BJ method is used to monitor single-molecule conductance states.•Single-molecule conductance tests reveal conjugation regulation…”
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18
The effects of covalent coupling strength on the electron transport properties and rectification in graphene/porphine/graphene molecular junctions
Published in Physica. E, Low-dimensional systems & nanostructures (01-10-2021)“…He et al. demonstrated dehydrogenative coupling of single porphines to graphene edges by scanning probe technique with submolecular resolution, revealing…”
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19
Catalytic Performance of Two-Dimensional Bismuth Tuned by Defect Engineering for Nitrogen Reduction Reaction
Published in Journal of physical chemistry. C (10-09-2020)“…An ideal electro-catalyst is required to possess high activity and high selectivity for N2 reduction reaction (NRR). Bismuth (Bi), a hydrogen-insensitive metal…”
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20
Resonant Charge Transport in Conjugated Molecular Wires beyond 10 nm Range
Published in Journal of the American Chemical Society (07-09-2016)“…Using a scanning tunneling microscope, we measured high-bias conductance of single polyporphyrin molecular wires with lengths from 1.3 to 13 nm. We observed…”
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