Xuefei Li

Atomically-thin layered molybdenum disulfide (MoS2) has attracted tremendous research attention for their potential applications in high performance DC and radio frequency electronics, especially for flexible electronics. Bilayer MoS2 is expected to have higher electron mobility and higher density of states with higher performance compared with single layer MoS2. Here, we systematically investigate the synthesis of high quality bilayer MoS2 by chemical vapor deposition on molten glass with increasing domain sizes up to 200 μm. High performance transistors with optimized high-κ dielectrics deliver ON-current of 427 μA μm-1 at 300 K and a record high ON-current of 1.52 mA μm-1 at 4.3 K. Moreover, radio frequency transistors are demonstrated with an extrinsic high cut-off frequency of 7.2 GHz and record high extrinsic maximum frequency of oscillation of 23 GHz, together with gigahertz MoS2 mixers on flexible polyimide substrate, showing the great potential for future high performance DC and high-frequency electronics.

Molybdenum disulfide

Oscillation (cell signaling)

10.1038/s41467-018-07135-8

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Citations (124)

Oxygen vacancy-enriching Co3O4/FeNi-LDH boosts rapid degradation of formaldehyde under natural light at room temperature

Separation and Purification Technology (2025)

Xuefei Li Zhuo Huang Bin Wan Lixia Yang Zhenglin Chen

Degradation

10.1016/j.seppur.2025.131964

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Citations (0)

N-Fluorobenzenesulfonimide as a multifunctional electrolyte additive for co-stabilizing dual-electrodes of lithium metal batteries with enhanced electrochemical performance

Chemical Engineering Journal (2023)

Xianjun Weng Yanyang Qin Xinyu Da Yuanjun Zhao Xuetian Deng

Dendrite (mathematics)

10.1016/j.cej.2023.143302

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Citations (10)

"Nanoscale electric vehicle" for the patterning of nanomaterials: Selective electrophoretic deposition of programmable silica composite nanoparticles

Nano Energy (2024)

Hui Xiao Jinyang Zhao Xuefei Li Hangchuan Zhang Miao Zhou

Electrophoretic Deposition

Nanomaterials

Deposition

10.1016/j.nanoen.2024.109906

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Citations (1)

Growth and Characterization of High In-content InGaN grown by MBE using Metal Modulated Epitaxy Technique (MME)

Journal of Crystal Growth (2019)

Zhiwei Xing Wenxian Yang Zhengbing Yuan Xuefei Li Yuanyuan Wu

Characterization

10.1016/j.jcrysgro.2019.03.021

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Citations (22)

Raman and X-Ray Investigation of Pyrope Garnet (Mg _0.76 Fe _0.14 Ca _0.10 ) ₃ Al ₂ Si ₃ O ₁₂ under High Pressure

Chinese Physics Letters (2007)

Ma Yan-Mei Haiyong Chen Xuefei Li Lingling Gao Cui Qi-Liang

The compressional behaviour of natural pyrope garnet is investigated by using angle-dispersive synchrotron radiation x-ray diffraction and Raman spectroscopy in a diamond anvil cell at room temperature. The pressure-induced phase transition does not occur under given pressure. The equation of state of pyrope garnet is determined under pressure up to 25.3 GPa. The bulk modulus KT0 is 199 GPa, with its first pressure derivative K'T0 fixed to 4. The Raman spectra of pyrope garnet are studied. A new Raman peak nearly at 743 cm−1 is observed in a bending vibration of the SiO4 tetrahedra frequency range at pressure of about 28 GPa. We suggest that the new Raman peak results from the lattice distortion of the SiO4 tetrahedra. All the Raman frequencies continuously increase with the increasing pressure. The average pressure derivative of the high frequency modes (650–1000 cm−1) is larger than that of the low frequency (smaller than 650 cm−1). Based on these data, the mode Grüneisen parameters for pyrope are obtained.

Pyrope

Diamond anvil cell

10.1088/0256-307x/24/5/015

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Citations (9)

High efficiency thin film GaInP/GaAs/InGaAs inverted metamorphic (IMM) solar cells based on electroplating process

Journal of Crystal Growth (2019)

Junhua Long Meng Xiao Xinping Huang Zhiwei Xing Xuefei Li

10.1016/j.jcrysgro.2019.02.057

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Citations (36)