Electrostatic self-assembly of binary nanoparticle crystals with a diamond-like lattice

被引:795
作者
Kalsin, AM
Fialkowski, M
Paszewski, M
Smoukov, SK
Bishop, KJM
Grzybowski, BA
机构
[1] Northwestern Univ, Dept Biol & Chem Engn, Evanston, IL 60208 USA
[2] Northwestern Univ, NW Inst Complex Syst, Evanston, IL 60208 USA
关键词
D O I
10.1126/science.1125124
中图分类号
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号
07 ; 0710 ; 09 ;
摘要
Self-assembly of charged, equally sized metal nanoparticles of two types (gold and silver) leads to the formation of large, sphalerite (diamond-like) crystals, in which each nanoparticle has four oppositely charged neighbors. Formation of these non-close-packed structures is a consequence of electrostatic effects specific to the nanoscale, where the thickness of the screening layer is commensurate with the dimensions of the assembling objects. Because of electrostatic stabilization of larger crystallizing particles by smaller ones, better-quality crystals can be obtained from more polydisperse nanoparticle solutions.
引用
收藏
页码:420 / 424
页数:5
相关论文
共 33 条
[1]  
[Anonymous], 1992, INTERMOLECULAR SURFA
[2]   FORMATION OF MONOLAYER FILMS BY THE SPONTANEOUS ASSEMBLY OF ORGANIC THIOLS FROM SOLUTION ONTO GOLD [J].
BAIN, CD ;
TROUGHTON, EB ;
TAO, YT ;
EVALL, J ;
WHITESIDES, GM ;
NUZZO, RG .
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 1989, 111 (01) :321-335
[3]   UNIVERSAL KINETICS IN REACTION-LIMITED AGGREGATION [J].
BALL, RC ;
WEITZ, DA ;
WITTEN, TA ;
LEYVRAZ, F .
PHYSICAL REVIEW LETTERS, 1987, 58 (03) :274-277
[4]  
Chaikin P., 2000, Principles of Condensed Matter Physics
[5]   Ethylene hydrogenation over platinum nanoparticle array model catalysts fabricated by electron beam lithography: Determination of active metal surface area [J].
Grunes, J ;
Zhu, J ;
Anderson, EA ;
Somorjai, GA .
JOURNAL OF PHYSICAL CHEMISTRY B, 2002, 106 (44) :11463-11468
[6]   Electrostatic self-assembly of macroscopic crystals using contact electrification [J].
Grzybowski, BA ;
Winkleman, A ;
Wiles, JA ;
Brumer, Y ;
Whitesides, GM .
NATURE MATERIALS, 2003, 2 (04) :241-245
[7]   High density magnetic recording on protein-derived nanoparticles [J].
Hoinville, J ;
Bewick, A ;
Gleeson, D ;
Jones, R ;
Kasyutich, O ;
Mayes, E ;
Nartowski, A ;
Warne, B ;
Wiggins, J ;
Wong, K .
JOURNAL OF APPLIED PHYSICS, 2003, 93 (10) :7187-7189
[8]   CuAu structure in the restricted primitive model and oppositely charged colloids [J].
Hynninen, AP ;
Leunissen, ME ;
van Blaaderen, A ;
Dijkstra, M .
PHYSICAL REVIEW LETTERS, 2006, 96 (01)
[9]   Single-phase and gram-scale routes toward nearly monodisperse Au and other noble metal nanocrystals [J].
Jana, NR ;
Peng, XG .
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 2003, 125 (47) :14280-14281
[10]  
Kittel C., 2005, Introduction to Solid State Physics, V8