■ ASSOCIATED CONTENT* S Supporting InformationA chart and figures, including a chart of reaction conditions,additional SEM images, representative XPS spectra, XPS datacomparing surface composition at various silver and bromideconcentrations, XPS data for growth solutions containing40 μM silver ion and bromide, ICP-AES kinetics and XPS datafor growth solutions containing silver and iodide, and TEMimages of concave cubes at early stages of growth. This materialis available free of charge via the Internet at http://pubs.acs.org.■
AUTHOR INFORMATIONCorresponding Author*E-mail: chadnano@northwestern.eduPresent Address‡Department of Chemistry, University of Nebraska, Lincoln,NE 68588.Author Contributions†These author contributed equally.NotesThe authors declare no competing financial interest.■
ACKNOWLEDGMENTSThis work was supported by AFOSR Awards FA9550-11-1-0275and FA9550-09-1-0294, DoD/NSSEFF/NPS Award N00244-09-1-0012, Non-equilibrium Energy Research Center (NERC)DOE Award DE-SC0000989, Nanoscale Science and Engineer-ing Initiative NSF Award EEC-0647560, NSF MRSEC (DMR-0520513 and DMR-1121262), and shared facilities at theMaterials Research Center. Microscopy work was performed inthe EPIC facility of the NUANCE Center, which is supportedby the NSF-NSEC, NSF-MRSEC, Keck Foundation, the state ofIllinois, and Northwestern University (NU). XPS experimentswere performed at the Keck-II facilities at NU. M.L.P. gratefullyacknowledges support from the DoD through the NationalDefense Science & Engineering Graduate (NDSEG) FellowshipProgram (32 CFR 168a).■ REFERENCES(1) Hurst, S. J.; Payne, E. K.; Qin, L.; Mirkin, C. A. Angew. Chem., Int.Ed. 2006, 45, 2672.(2) Jin, R.; Cao, Y.; Mirkin, C. A.; Kelly, K. L.; Schatz, G. C.; Zheng,J. G. Science 2001, 294, 1901.(3) Millstone, J. E.; Park, S.; Shuford, K. L.; Qin, L.; Schatz, G. C.;Mirkin, C. A. J. Am. Chem. Soc. 2005, 127, 5312.(4) Millstone, J. E.; Hurst, S. J.; Metraux, G. S.; Cutler, J. I.; Mirkin,C. A. Small 2009, 5, 646.(5) Tao, A. R.; Habas, S.; Yang, P. Small 2008, 4, 310.(6) Jin, R.; Cao, Y. C.; Hao, E.; Metraux, G. S.; Schatz, G. C.; Mirkin,C. A. Nature 2003, 425, 487.(7) Yoo, H.; Millstone, J. E.; Li, S.; Jang, J.-W.; Wei, W.; Wu, J.;Schatz, G. C.; Mirkin, C. A. Nano Lett. 2009, 9, 3038.(8) Zhang, J.; Li, S.; Wu, J.; Schatz, G. C.; Mirkin, C. A. Angew.Chem., Int. Ed. 2009, 48, 7787.(9) Xia, Y.; Xiong, Y.; Lim, B.; Skrabalak, S. E. Angew. Chem., Int. Ed.2009, 48, 60.(10) Zhou, K.; Li, Y. Angew. Chem., Int. Ed. 2012, 51, 602.(11) Somorjai, G. A.; Frei, H.; Park, J. Y. J. Am. Chem. Soc. 2009, 131,16589.(12) Giljohann, D. A.; Seferos, D. S.; Daniel, W. L.; Massich, M. D.;Patel, P. C.; Mirkin, C. A. Angew. Chem., Int. Ed. 2010, 49, 3280.(13) Jones, M. R.; Osberg, K. D.; Macfarlane, R. J.; Langille, M. R.;Mirkin, C. A. Chem. Rev. 2011, 111, 3736.(14) Jana, N. R.; Gearheart, L.; Murphy, C. J. Adv. Mater. 2001, 13,1389.(15) Sau, T. K.; Murphy, C. J. J. Am. Chem. Soc. 2004, 126, 8648.(16) Nikoobakht, B.; El-Sayed, M. A. Chem. Mater. 2003, 15, 1957.(17) Kim, D.; Heo, J.; Kim, M.; Lee, Y. W.; Han, S. W. Chem. Phys.Lett. 2009, 468, 245.(18) Sohn, K.; Kim, F.; Pradel, K. C.; Wu, J.; Peng, Y.; Zhou, F.;Huang, J. ACS Nano 2009, 3, 2191.(19) Xiang, Y.; Wu, X.; Liu, D.; Feng, L.; Zhang, K.; Chu, W.; Zhou,W.; Xie, S. J. Phys. Chem. C 2008, 112, 3203.(20) Millstone, J. E.; Metraux, G. S.; Mirkin, C. A. Adv. Funct. Mater.2006, 16, 1209.(21) Millstone, J. E.; Wei, W.; Jones, M. R.; Yoo, H.; Mirkin, C. A.Nano Lett. 2008, 8, 2526.(22) Ming, T.; Feng, W.; Tang, Q.; Wang, F.; Sun, L.; Wang, J.; Yan,C. J. Am. Chem. Soc. 2009, 131, 16350.(23) Liu, M.; Guyot-Sionnest, P. J. Phys. Chem. B 2005, 109, 22192.(24) Zhang, J.; Langille, M. R.; Personick, M. L.; Zhang, K.; Li, S.;Mirkin, C. A. J. Am. Chem. Soc. 2010, 132, 14012.(25) Yu, Y.; Zhang, Q.; Lu, X.; Lee, J. Y. J. Phys. Chem. C 2010, 114,11119.(26) Personick, M. L.; Langille, M. R.; Zhang, J.; Mirkin, C. A. NanoLett. 2011, 11, 3394.(27) Garg, N.; Scholl, C.; Mohanty, A.; Jin, R. Langmuir 2010, 26,10271. 金纳米粒子的形状演化英文文献和中文翻译(13):http://www.youerw.com/fanyi/lunwen_33952.html