One-step rapid synthesis,crystal structure and 3.3 microseconds long excited-state lifetime of Pd1Ag28 nanocluster
作者机构：Gold Catalysis Research CentreState Key Laboratory of CatalysisDalian Institute of Chemical PhysicsChinese Academy of SciencesDalian 116023China College of Environmental and Chemical EngineeringYanshan UniversityQinhuangdao 066004China College of Chemistry and Molecular SciencesEngineering Research Centre of Organosilicon Compounds&MaterialsMinistry of EducationWuhan UniversityWuhan 430072China University of Chinese Academy of SciencesBeijing 100049China State Key Laboratory of CatalysisDalian Institute of Chemical PhysicsChinese Academy of SciencesDalian 116023China State Key Laboratory of Molecular Reaction Dynamics Dalian Institute of Chemical PhysicsChinese Academy of SciencesDalian 116023China Laboratory of High Resolution Mass Spectrometry TechnologiesDalian Institute of Chemical PhysicsChinese Academy of SciencesDalian 116023China
出 版 物：《Nano Research》 (纳米研究（英文版）)
年 卷 期：2020年第13卷第2期
页 面：366-372页
核心收录：
学科分类：0808[工学-电气工程] 081704[工学-应用化学] 0809[工学-电子科学与技术（可授工学、理学学位）] 07[理学] 070304[理学-物理化学(含∶化学物理)] 08[工学] 0817[工学-化学工程与技术] 0805[工学-材料科学与工程（可授工学、理学学位）] 0703[理学-化学] 0702[理学-物理学]
基 金：We acknowledge the National Natural Science Foundation of China(No.21601178)
主 题：Pd1Ag28 alloy nanocluster one-step rapid synthesis crystal structure near-infrared luminescence long excited-state lifetime
摘 要：Doping foreign atom(s)in metal nanoclusters is an effective strategy to engineer the properties and functionalities of metal ***,until now,to dope Pd atom into Ag nanoclusters remains a huge *** we develop a one-step rapid method to synthesize the Pd-doped Ag nanocluster with high *** prepared Pd1Ag28 nanocluster was characterized by mass spectroscopy,X-ray photoelectron spectroscopy,X-ray crystallography,fluorescence spectroscopy,ultraviolet-visible absorption spectroscopy and transient absorption *** nanocluster exhibits a perfect face-centered cubic(FCC)kernel structure with a tetrahedron-like *** note,Pd1Ag28 nanocluster had an unexpectedly long excited-state lifetime of 3.3 microseconds,which is the longest excited-state lifetime for Ag-based nanoclusters S0 ***,the excellent near-infrared luminescence indicated the nanocluster has the potential in fluorescent ***,it was revealed that Pd1Ag28 nanocluster could be transformed into Au1Ag28 nanocluster via ion exchange reaction of AuPPhzCl with Pd1Ag28 *** work provides an efficient synthetic protocol of alloy nanoclusters and wil contribute to study the effect of foreign atom on the properties of metal nanoclusters.
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