Yafei Liu

ORCID: 0000-0003-2416-8353
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About
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Research Areas
  • Silicon Carbide Semiconductor Technologies
  • Silicon and Solar Cell Technologies
  • Supercapacitor Materials and Fabrication
  • Advancements in Battery Materials
  • GaN-based semiconductor devices and materials
  • Thin-Film Transistor Technologies
  • Fluorine in Organic Chemistry
  • Advanced battery technologies research
  • Semiconductor materials and interfaces
  • Semiconductor materials and devices
  • Electrical and Thermal Properties of Materials
  • Integrated Circuits and Semiconductor Failure Analysis
  • Ferroelectric and Piezoelectric Materials
  • Cyclopropane Reaction Mechanisms
  • Advanced Battery Materials and Technologies
  • Crystallization and Solubility Studies
  • Metal and Thin Film Mechanics
  • X-ray Diffraction in Crystallography
  • Conducting polymers and applications
  • Dielectric properties of ceramics
  • Aluminum Alloys Composites Properties
  • Corrosion Behavior and Inhibition
  • Extraction and Separation Processes
  • Transition Metal Oxide Nanomaterials
  • Advanced Battery Technologies Research

Lanzhou University of Technology
2023-2025

Xinjiang Technical Institute of Physics & Chemistry
2021-2025

Peking Union Medical College Hospital
2025

Chinese Academy of Medical Sciences & Peking Union Medical College
2025

Nanchang Institute of Technology
2022-2024

Xidian University
2024

Tongji University
2000-2024

Zhejiang University
2024

Tsinghua University
2015-2024

Stony Brook University
1997-2024

The super electrophilicity of a shelf-stable, easily prepared trifluoromethylthiolating reagent N-trifluoromethylthio-dibenzenesulfonimide 7 was demonstrated. Consistent with the theoretical prediction, exhibits reactivity remarkably higher than that other known electrophilic reagents. In absence any additive, reacted wide range electron-rich arenes and activated heteroarenes under mild conditions. Likewise, reactions styrene derivatives can be fine-tuned by simply changing reaction solvents...

10.1021/acs.joc.6b01178 article EN The Journal of Organic Chemistry 2016-07-21

Abstract A general method for the formation of alkyl difluoromethylethers under mild reaction conditions and with good functional‐group tolerance was developed. The development based on invention a stable, electrophilic, difluoromethylating reagent, difluoromethyl‐(4‐nitrophenyl)‐bis(carbomethoxy) methylide sulfonium ylide, which synthesized by easily available 4‐nitrophenyl (difluoromethyl)thioether dimethyl diazomalonate in presence rhodium catalyst.

10.1002/anie.201603166 article EN Angewandte Chemie International Edition 2016-06-17

Abstract The pursuit of high precision and stability simultaneously in high‐temperature thermistor fields is longstanding. However, most spinel or perovskite‐structured thermosensitive materials struggle to tolerate prolonged environments at the expense sensitivity stability. Here, a novel entropy engineering strategy involving vacancies proposed balance for fergusonite‐structured ReNbO 4 (Re rare earth element) material extreme environments. synergistic effect stabilization allovalent...

10.1002/smll.202408952 article EN Small 2025-01-29

A highly efficient Rh-catalyzed carbenoid addition to trifluoromethylthioether for the formation of trifluoromethyl-substituted sulfonium ylide is described. The can act as an electrophilic trifluoromethylation reagent, demonstrated by β-ketoesters and aryl iodides.

10.1021/acs.orglett.5b01170 article EN Organic Letters 2015-05-14

Abstract Two electrophilic monofluoromethylating reagents, monofluoromethyl(phenyl)sulfonium bis(carbomethoxy)methylide ( 3 a ) and monofluoromethyl(4‐nitrophenyl)sulfonium b ), their reactions under mild conditions with variety of nucleophiles, such as alcohols malonate derivatives, sulfonic carboxylic acids, phenols, amides, N heteroarenes, are described. Mechanistic studies deuterated reagents [D 2 ] /[D suggest that these monofluoromethylation proceed through an substitution pathway.

10.1002/anie.201704175 article EN Angewandte Chemie International Edition 2017-05-25

10.1016/j.ijepes.2018.03.020 article EN International Journal of Electrical Power & Energy Systems 2018-04-05

ADVERTISEMENT RETURN TO ISSUEPREVCommunicationNEXTSelf-Ordering of Diblock Copolymers from SolutionZ. Li, W. Zhao, Y. Liu, M. H. Rafailovich, J. Sokolov, K. Khougaz, A. Eisenberg, R. B. Lennox, and G. KrauschView Author Information Department Materials Science Engineering State University New York at Stony Brook Brook, 11794-2275 Chemistry, McGill Montreal, Canada PQ H3A 2K6 Cornell University, Ithaca, 14853Cite this: Am. Chem. Soc. 1996, 118, 44, 10892–10893Publication Date (Web):November...

10.1021/ja961713d article EN Journal of the American Chemical Society 1996-01-01

A palladium-catalyzed difluoromethylthiolation of heteroaryl halides and triflates under mild conditions was described.

10.1039/c6sc00082g article EN cc-by-nc Chemical Science 2016-01-01

This paper studies the problem of optimal phasor measurement unit (PMU) placement considering constraints full system observability and load loss. The relaying functions metering devices, such as feeder terminal units (FTUs) dual-use line relays (DULRs), are taken into account to satisfy maximum loss coefficient limit (MLCL) guarantee operation distribution after single-branch outage. A mixed-integer linear programming (MILP) is formulated find minimal under given configuration branch outage...

10.1109/access.2018.2841891 article EN cc-by-nc-nd IEEE Access 2018-01-01

Trifluoromethylative difunctionalization of alkenes with a variety nucleophiles including amine, azide, alcohol, water, and electron-rich arenes using reagent 1 as trifluoromethyl radical source in the presence synergistic catalyst Lewis acid scandium(III) trifluoromethanesulfonate (Sc(OTf)3) photoredox [fac-Ir(ppy)3] was described. Mechanistic studies showed that role Sc(OTf)3 reaction is to activate via acid–Lewis base interaction form complex [Sc(OTf)3•3(1)], which fully characterized by...

10.1021/acscatal.0c03776 article EN ACS Catalysis 2020-10-09
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