Application of ionic liquids in single-molecule junctions:Recent advances and prospects  

作　　者：Li Zhou Miao Zhang Yani Huo Liping Bai Suhang He Jinying Wang Chuancheng Jia Xuefeng Guo 

机构地区：[1]Center of Single-Molecule Sciences,Institute of Modern Optics,Frontiers Science Center for New Organic Matter,College of Electronic Information and Optical Engineering,Nankai University,38 Tongyan Road,Jinnan District,Tianjin,300350,China [2]Network for Computational Nanotechnology,Purdue University,West Lafayette,IN,47907,USA [3]Beijing National Laboratory for Molecular Sciences,National Biomedical Imaging Center,College of Chemistry and Molecular Engineering,Peking University,292 Chengfu Road,Haidian District,Beijing,100871,China

出　　处：《Green Energy & Environment》2024年第12期1784-1801,共18页绿色能源与环境（英文版）

基　　金：primary financial supports from the National Key R&D Program of China(2021YFA1200102,2021YFA1200101,and 2022YFE0128700);the National Natural Science Foundation of China(22173050,22150013,21727806,and 21933001);the New Cornerstone Science Foundation through the XPLORER PRIZE;the Natural Science Foundation of Beijing(2222009);Beijing National Laboratory for Molecular Sciences(BNLMS202105);the Fundamental Research Funds for the Central Universities(63223056);“Frontiers Science Center for New Organic Matter”at Nankai University(63181206).

摘　　要：Single-molecule junctions,integrating individual molecules as active components between electrodes,serve as fundamental building blocks for advanced electronic and sensing technologies.The application of ionic liquids in single-molecule junctions represents a cutting-edge and rapidly evolving field of research at the intersection of nanoscience,materials chemistry,and electronics.This review explores recent advances where ionic liquids function as electrolytes,dielectric layers,and structural elements within single-molecule junctions,reshaping charge transport,redox reactions,and molecular behaviors in these nanoscale systems.We comprehensively dissect fundamental concepts,techniques,and modulation mechanisms,elucidating the roles of ionic liquids as gates,electrochemical controllers,and interface components in singlemolecule junctions.Encompassing applications from functional device construction to unraveling intricate chemical reactions,this review maps the diverse applications of ionic liquids in single-molecule junctions.Moreover,we propose critical future research topics in this field,including catalysis involving ionic liquids at the single-molecule level,functionalizing single-molecule devices using ionic liquids,and probing the structure and interactions of ionic liquids.These endeavors aim to drive technological breakthroughs in nanotechnology,energy,and quantum research.

关 键 词：Ionic liquid Single-molecule junction Electrical double layer Regulation mechanism Device functionalization 

分 类 号：O645.1[理学—物理化学]