Shuyi Wu

Suzhou University of Science and Technology

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Yun Shan

Nanjing Xiaozhuang University

Lizhe Liu

Nanjing University

Jinlei Zhang

Suzhou University of Science and Technology

Yunsong Di

Nanjing Normal University

Zhixing Gan

Nanjing Normal University

Cihui Liu

Nanjing Normal University

Xinglong Wu

Nanjing University

Zuozheng Xu

Collaborative Innovation Center of Advanced Microstructures

Xiaobin Zhu

Suzhou Vocational University

Tinghui Li

Guangxi Normal University

Cooperative Institutions

Nanjing University

Collaborative Innovation Center of Advanced Microstructures

Chinese Academy of Sciences

Suzhou University of Science and Technology

Nanjing Xiaozhuang University

Nanjing Normal University

Fudan University

Institute of Acoustics

Sichuan University

University of Science and Technology of China

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Ink Dispersion on Qianlong Xuan Paper with Improved Ink Expression

Journal of Material Science and Technology (2015)

Shuyi Wu Xinglong Wu Paul K. Chu

Attenuated total reflection

10.1016/j.jmst.2015.12.014

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Citations (11)

Hydrogen Production with Immobilized Sewage Sludge in Three-Phase Fluidized-Bed Bioreactors

Biotechnology Progress (2003)

Shuyi Wu C.-N. Lin Jo‐Shu Chang

Municipal sewage sludge was immobilized with a modified alginate gel entrapment method, and the immobilized cells were used to produce hydrogen gas in a three-phase fluidized bed. The hydrogen-producing fluidized beds were operated at different liquid velocity (U(0)) and hydraulic retention time (HRT). The results show that in response to operating liquid velocities, the fluidized-bed system had three flow regimes, namely, plug flow, slug flow, and free bubbling. Pressure fluctuation analysis was used to analyze the hydrodynamic properties in this three-phase fluidized bed when it was under a steady-state production of biogas. With a steady-state biogas production rate (U(g)) of 0.196 mL/s/L, a transition state occurred at a liquid velocity (U(0)) of 0.85 cm/s. As U(0) < 0.85 cm/s, the system was basically a nonhomogeneous fluidized bed, whereas the bed became homogeneous when U(0) was higher than 0.85 cm/s. The fluidized bed can be stably carried out at high loading rates (HRT as low as 2 h). Hydrogen fermentation results show that the maximal hydrogen production rate was 0.93 L/h/L and the best yield (Y(H)2(/sucrose)) was 2.67 mol H(2)/mol sucrose.

Biogas

Sewage sludge

Plug flow

Hydraulic retention time

10.1021/bp0201354

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Citations (154)

Photoluminescence and magnetism integrated multifunctional black phosphorus probes through controllable PO bond orbital hybridization

Physical Chemistry Chemical Physics (2021)

Shuyi Wu R Qian C. L.Yun Shan Yanzi Wu

Biological probes with integrated photoluminescence and magnetism characteristics play a critical role in modern clinical diagnosis and surgical protocols combining fluorescence optical imaging (FOI) with magnetic resonance imaging (MRI) technology. However, traditional magnetic semiconductors can easily generate a spin splitting at the Fermi level and half-metallic electronic occupation, which will sharply reduce the radiation recombination efficiency of photogenerated carriers. To overcome this intrinsic contradiction, we propose a controllable oxidation strategy to introduce some particular PO bonds into black phosphorus nanosheets, in which the p orbital hybridization between P and O atoms not only provides some carrier recombination centers but also leads to a room-temperature spin polarization. As a result, the coexistence of photoluminescence and magnetism is realized in multifunctional black phosphorus probes with excellent biocompatibility. This work provides a new insight into integrating photoluminescence and magnetism together by intriguing atomic orbital hybridization.

Magnetism

Orbital hybridisation

10.1039/d1cp03155d

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Citations (1)

Biohydrogen purification using metal hydride technologies

International Journal of Hydrogen Energy (2016)

D. O. Dunikov V. I. Borzenko D V Blinov A N Kazakov Chiu‐Yue Lin

Hydrogen purifier

Bar (unit)

10.1016/j.ijhydene.2016.08.190

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Citations (56)

Facet-Engineering Enhanced Room-Temperature Ferroelectric Control of Magnetism in Semiconducting Β-Fesi2

SSRN Electronic Journal (2022)

Shuyi Wu Anqi Wang Lizhe Liu

The electric-field control of the magnetism of magnetic semiconductors is highly desirable for spintronic-integrated circuits with ultralow power consumption. However, the low Curie temperature, small magnetic moments and the limited screening thickness hinder the practical application of the devices. Herein, we propose a novel strategy to enhance electrical control of magnetic semiconductors at room temperature by facet engineering. Taking β-FeSi 2 as a prototype material, which has strong facet-induced room-temperature ferromagnetism, significant nonvolatile room-temperature control of magnetism is realized at the interface between ferromagnetic β-FeSi 2 and ferroelectric P(VDF-TrFE). Because β-FeSi 2 is ferromagnetic at the surface and non-magnetic in the bulk, the surface ferromagnetism can be successfully modulated through the remarkable carrier density variation at the interface caused by large remanent ferroelectric polarization. The facet-engineering enhanced room-temperature ferroelectric control of magnetism paves the way towards future nonvolatile and low-power-consumption spintronic devices.

Magnetism

Facet (psychology)

10.2139/ssrn.4052230

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Electronic state coupling induced by topological Co patterns at Pd metallene boosts CO2 electroreduction to HCOOH

Solid State Communications (2024)

Yun Shan Guangqing Liu Huaju Song Yang Shao Shuyi Wu

10.1016/j.ssc.2024.115442

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Ion-induced coagulation of hexagonal boron nitride nanosheets in aqueous environment

Colloids and Interface Science Communications (2021)

Xiaobin Zhu Liang Zhang Bin Zuo Zhengcun Zhou Yifei Yang

10.1016/j.colcom.2021.100475

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Dynamic repulsive interaction enables an asymmetric electron–phonon coupling for improving Raman scattering

Physical Chemistry Chemical Physics (2024)

Jiawei Shen Jiaxin Zhang Zirui Fu Pan Yan Xiaowan Li

Two-dimensional (2D) materials are an excellent platform for surface-enhanced Raman spectroscopy (SERS).

10.1039/d3cp05835b

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Strong Facet-Induced and Light-Controlled Room-Temperature Ferromagnetism in Semiconducting β-FeSi₂ Nanocubes

Journal of the American Chemical Society (2015)

Zhiqiang Hé Shi‐Jie Xiong Shuyi Wu Xiaobin Zhu Ming Meng

Crystalline β-FeSi2 nanocubes with two {100} facets and four {011} lateral facets synthesized by spontaneous one-step chemical vapor deposition exhibit strong room-temperature ferromagnetism with saturation magnetization of 15 emu/g. The room-temperature ferromagnetism is observed from the β-FeSi2 nanocubes larger than 150 nm with both the {100} and {011} facets. The ferromagnetism is tentatively explained with a simplified model including both the itinerant electrons in surface states and the local moments on Fe atoms near the surfaces. The work demonstrates the transformation from a nonmagnetic semiconductor to a magnetic one by exposing specific facets and the room-temperature ferromagnetism can be manipulated under light irradiation. The semiconducting β-FeSi2 nanocubes may have large potential in silicon-based spintronic applications.

Facet (psychology)

Magnetic semiconductor

Saturation (graph theory)

10.1021/jacs.5b06507

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Citations (13)

A new insight into the unique magneto‐optical effect of layered perovskite (C₆H₅C₂H₃FNH₃)₂MnCl₄

Aggregate (2022)

Zhao‐Bo Hu Long‐He Li Yibo Han Jinlei Zhang Jian‐Rong Li

Abstract Magnet‐optical materials embracing coupled magnetic and photoluminescent properties in single phase are promising in microelectronics and optoelectronic devices. However, the current research mainly focuses on traditional inorganic materials, and there are few reports on molecule materials. Recently, we synthesized an organic–inorganic hybrid complex (C 6 H 5 C 2 H 3 FNH 3 ) 2 MnCl 4 ( 1 ) with perovskite structure. Physical measurements show that 1 not only behaves as an antiferromagnet with spin canting but also exhibits unusual fluorescent properties. Importantly, under the magnetic field at different temperatures, the luminous intensity of 1 changed, and a red‐shift occurred with obviously optical hysteresis. These phenomena directly prove the existence of magneto‐optical coupling in 1 . More interestingly, the optical hysteresis can be observed in both low and high field, which is unprecedented in other molecular materials. Even in traditional inorganic materials, it can only be observed in strong field. This special function provides the possibility for the application of low energy consumption optoelectronic devices.

Hysteresis

Microelectronics

10.1002/agt2.294

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Citations (11)