银纳米粒子簇的设计、制备和表面增强拉曼光谱
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摘要
通过匹配激光光斑直径与胶体微球的尺寸,设计制备了银纳米粒子的表面增强拉曼散射(SERS)基底,并将其用于研究单个银纳米粒子簇的表面增强拉曼光谱.在制备纳米粒子的过程中,考察了等离子体刻蚀时间与银沉积厚度对"单"银纳米粒子结构与形貌的影响.将吡啶、巯基苯和罗丹明R6G作为SERS探针分子,研究了其SERS效应,通过荧光共振能量转移(FRET)机理,实现了染料分子在单银纳米粒子簇上的SERS效应. SERS光谱测试与相关计算结果表明,单个银纳米粒子簇的拉曼增强因子能够达到约10~6.
SERS substrate of single silver nanoclusters was prepared via a novel and simple method,and the surface-enhanced Raman spectra of single silver nanoparticles was studied. Also,the effects of plasma etching time and silver deposition thickness on the structure and morphology of single silver nanoclusters were investigated. And,the SERS spectra of pyridine,mercaptobenzene and R6G probe molecules were recorded on a single silver nanoparticle on PS arrays. In studying the SERS spectrum of R6G,the fluorescence quenching was carried out using the principle of fluorescence resonance energy transfer through PSS-TRITC. The SERS spectra and related calculations show that the Raman enhancement factor of a single silver nanoparticle can reach about 10~6. The fabrication of metal nanocluster arrays by this method will have potential application prospects in the field of high sensitivity detection.
SERS substrate of single silver nanoclusters was prepared via a novel and simple method,and the surface-enhanced Raman spectra of single silver nanoparticles was studied. Also,the effects of plasma etching time and silver deposition thickness on the structure and morphology of single silver nanoclusters were investigated. And,the SERS spectra of pyridine,mercaptobenzene and R6G probe molecules were recorded on a single silver nanoparticle on PS arrays. In studying the SERS spectrum of R6G,the fluorescence quenching was carried out using the principle of fluorescence resonance energy transfer through PSS-TRITC. The SERS spectra and related calculations show that the Raman enhancement factor of a single silver nanoparticle can reach about 10~6. The fabrication of metal nanocluster arrays by this method will have potential application prospects in the field of high sensitivity detection.
引文
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[2]Nie S.M.,Emory S.R.,Science,1997,275,1102-1106
[3]Xu H.,Aizpurua J.,Kall M.,Apell P.,Phys.Rev.E,2000,62,4318-4324
[4]Li K.,Stockman M.I.,Bergman D.J.,Phys.Rev.Lett.,2003,91,227402
[5]Hu H.,Wang X.H.,Persson M.P.,Xu H.Q.,Kall M.,Johnansson P.,Phys.Rev.Lett.,2004,93,243002
[6]Hao E.,Schatz G.C.,J.Chem.Phys.,2004,120,357-366
[7]Hallock A.J.,Redmond P.L.,Brus L.E.,Proc.Natl.Acad.Sci.,USA,2005,102,1280-1284
[8]Shegai T.O.,Haran G.,J.Phys.Chem.B,2006,110,2459-2461
[9]Halvorson R.A.,Vikesland P.J.,Environ.Sci.Technol.,2010,44(20),7749-7755
[10]Kneipp K.,Kneipp H.,Itzkan I.,Dasari R.R.,Feld M.S.,Chem.Rev.,1999,99,2957-2975
[11]Yonzon C.R.,Haynes C.L.,Zhang X.,Walsh J.T.Jr.,van Duyne R.P.,Anal.Chem.,2004,76,78-85
[12]Haes A.J.,Zou S.,Schatz G.C.,van Duyne R.P.,J.Phys.Chem.B,2004,108,109-116
[13]Jackson J.B.,Halas N.J.,Proc.Natl.Acad.Sci.USA,2004,101,17930-17935
[14]Zhang Y.,Gu C.,Schwartzberg A.M.,Zhang J.Z.,Appl.Phys.Lett.,2005,87,123105
[15]Svedberg F.,Li Z.,Xu H.,Kall M.,Nano.Lett.,2006,6,2639-2641
[16]Jensen T.R.,Malinsky M.D.,Haynes C.L.,van Duyne R.P.,J.Phys.Chem.B,2000,104,10549-10556
[17]Wu D.Y.,Li J.F.,Ren B.,Tian Z.Q.,Chem.Soc.Rev.,2008,37,1025-1041
[18]Forster T.,Discuss.Faraday Soc.,1959,27,7-17
[19]Andrews D.L.,Demidov A.A.,Resonance Energy Transfer,John Wiley&Sons,New York,1999
[20]Zhang G.,Zhao Z.,Wang D.,Chem.J.Chinese Universities,2010,31(5),839-854(张刚,赵志远,汪大洋.高等学校化学学报,2010,31(5),839-854)
[21]Ai B.,Mohwald H.,Wang D.Y.,Zhang G.,Adv.Mater.Interfac.,2017,4,1600271
[22]Feng W.,Wang B.W.,Zheng Y.,Jiang Y.,Chem.J.Chinese Universities,2018,39(9),1875-1880(冯微,王博蔚,郑艳,姜洋.高等学校化学学报,2018,39(9),1875-1880)
[23]Zhang G.,Wang D.Y.,Mohwald H.,Nano Letters,2005,5(1),143-146
[24]Zhang G.,Wang D.Y.,Mohwald H.,Angew.Chem.Int.Ed.,2005,44(47),7767-7770
[25]Li X.Y.,Huang Q.J.,Vladimir I.P.,Xie Y.T.,Luo Q.,Yu X.,Yan Y.J.,J.Raman Spectrosc.,2005,36,555-573
[26]Lee I.,Han S.W.,Kim K.,J.Raman Spectrosc.,2001,32,947-952
[27]Carron K.T.,Hurley L.G.,J.Phys.Chem.B,1991,95,9979-9984
[28]Szafranski C.A.,Tanner W.,Laibinis P.E.,Garrell R.L.,Langmuir,1998,14,3570-3579
[29]Joo T.H.,Kim M.S.Kim K.,J.Raman Spectrosc.,1987,18,57-60
[30]Gui J.Y.,Stern D.A.,Frank D.Lu G.,F.,Zapien D.C.,Hubbard A.T.,Langmuir,1997,7,955-963
[31]Uehara J.,Aramaki K.,J.Electrochem.Soc.,1991,138,3245-3251
[32]Campion A.,Kambhampati P.,Chem.Soc.Rev.,1998,27,241-250
[33]Ling X.,Xie L.,Fang Y.,Xu H.,Zhang H.,Kong J.,Dresselhaus M.S.,Zhang J.,Liu Z.,Nano Lett.,2010,10,553-561
[34]Ding S.Y.,You E.M.,Tian Z.Q.and Moskovits M.,Chem.Soc.Rev.,2017,46,4042-4076
[35]Hildebrandt P.,Stockburger M.,J.Phys.Chem.,1984,88,5935-5944
[36]Majoube M.,Henry M.,Spectrochim.Acta,1991,47A,1459-1466
[37]Li W.H.,Li X.Y.,Yu N.T.,Chem.Phys.Lett.,1999,312,28-36
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