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作 者:Yu Lou Zhongzheng Yao Shu Fu Sinan Liu Xindong Zhu Wen Huang a Min Dong Jianrong Zeng He Lin He Zhu Si Lan
机构地区:[1]Herbert Gleiter Institute of Nanoscience,School of Materials Science and Engineering,Nanjing University of Science and Technology,Nanjing,210094,PR China [2]Shanghai Synchrotron Radiation Facility,Shanghai Advanced Research Institute,Chinese Academy of Sciences,Shanghai,201204,PR China [3]Shanghai Institute of Applied Physics,Chinese Academy of Sciences,Shanghai,201800,PR China [4]Center for Neutron Scattering,City University of Hong Kong Shenzhen Research Institute,Shenzhen,518057,PR China
出 处:《Progress in Natural Science:Materials International》2023年第2期244-249,共6页自然科学进展·国际材料(英文版)
基 金:This work was financially supported by the National Key R&D Program of China No.2021YFB3802800;the National Natural Science Foundation of China(Grant Nos.52222104,22275089,51871120);the Natural Science Foundation of Jiangsu Province(Grant No.BK20200019);the Shenzhen Science and Technology Innovation Commission(No.JCYJ20200109105618137);the Fundamental Research Funds for the Central Universities(No.30922010307);the support by Guangdong-Hong Kong-Macao Joint Laboratory for Neutron Scattering Science.The authors thank Prof.Long Yang from Tongji University,Dr.Guanjie Zhang from Xi'an Jiaotong University,and the staff of beamline BL13SSW at Shanghai Synchrotron Radiation Facility for the supports of synchrotron experiments.
摘 要:Metallic glass nanoparticles hold great promise as nonenzymatic glucose sensors due to their rich low-coordinated active sites and high biocompatibility.However,their non-periodic atomic structure and unclear structure-property relationship pose significant challenges for realizing and optimizing their sensing performance.In this work,Pd–Ni–P metallic glass nanoparticles with variable compositions were successfully prepared as nonenzymatic glucose sensors via a laser-evaporated inert-gas condensation method.The electrochemical tests show that the sensor based on Pd_(41·25)Ni_(41·25)P_(17.5)nanoparticles shows a wide linear detection range(0.003–1.31mM),high sensitivity(516μAmM^(−1)·cm^(−2)),and high stability(∼97.8%current retention after 1000 cycles).Local structural investigations using synchrotron pair distribution function and high-resolution microscopic techniques reveal a strong structural correlation within short-to medium-range orders in the Pd_(41·25)Ni_(41·25)P_(17.5)nanoparticles,which can be well retained after electrochemical cycling.These atomic-scale structural characteristics might be responsible for the high sensing performance.This study demonstrates the high applicability of Pd–Ni–P metallic glass nanoparticles as sensitive and stable non-enzymatic glucose sensors.
关 键 词:METALLIC GLASS structural
分 类 号:TB383.1[一般工业技术—材料科学与工程] TP212[自动化与计算机技术—检测技术与自动化装置] R318.08[自动化与计算机技术—控制科学与工程]
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