GROWTH OF NANOMETRIC GOLD PARTICLES IN SOLUTION-PHASE

被引:62
作者
SESHADRI, R
SUBBANNA, GN
VIJAYAKRISHNAN, V
KULKARNI, GU
ANANTHAKRISHNA, G
RAO, CNR
机构
[1] CSIR, CTR EXCELLENCE CHEM, SOLID STATE & STRUCT CHEM UNIT, BANGALORE 560012, KARNATAKA, INDIA
[2] INDIAN INST SCI, MAT RES CTR, BANGALORE 560012, KARNATAKA, INDIA
关键词
D O I
10.1021/j100015a056
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
The time evolution of colloidal gold particles in the nanometric regime has been investigated by employing electron microscopy and electronic absorption spectroscopy. The particle size distributions are essentially Gaussian and show the same time dependence for both the mean and the standard deviation, enabling us to obtain a time-independent universal curve for the particle size. Temperature dependent studies show the growth to be an activated process with a barrier of about 18 kJ mol(-1). We present a phenomenological equation for the evolution of particle size and suggest that the growth process is stochastic.
引用
收藏
页码:5639 / 5644
页数:6
相关论文
共 25 条
[11]  
KIRKLAND AI, 1988, ANN REPORTS C ROYAL, P247
[12]  
KREIBIG U, 1985, SURF SCI, V156, P679
[13]  
KUBO R, 1984, ANNU REV MATER SCI, V14, P49
[14]   A STUDY OF CHEMICALLY PREPARED SMALL METAL-CLUSTERS IN THE NONMETALLIC REGIME [J].
KULKARNI, GU ;
AIYER, HN ;
VIJAYAKRISHNAN, V ;
ARUNARKAVALLI, T ;
RAO, CNR .
JOURNAL OF THE CHEMICAL SOCIETY-CHEMICAL COMMUNICATIONS, 1993, (20) :1545-1547
[16]   MORPHOLOGY OF COLLOIDAL GOLD - COMPARATIVE STUDY [J].
MILLIGAN, WO ;
MORRISS, RH .
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 1964, 86 (17) :3461-+
[17]   FRACTAL GROWTH OF SILVER NANOCLUSTERS IN A POLYMER MEDIUM [J].
MUKHERJEE, M ;
SAHA, SK ;
CHAKRAVORTY, D .
APPLIED PHYSICS LETTERS, 1993, 63 (01) :42-44
[18]  
Nielsen A.E., 1964, KINETICS PRECIPITATI
[19]   AN INVESTIGATION OF WELL-CHARACTERIZED SMALL GOLD CLUSTERS BY PHOTOELECTRON-SPECTROSCOPY, TUNNELING SPECTROSCOPY, AND COGNATE TECHNIQUES [J].
RAO, CNR ;
VIJAYAKRISHNAN, V ;
AIYER, HN ;
KULKARNI, GU ;
SUBBANNA, GN .
JOURNAL OF PHYSICAL CHEMISTRY, 1993, 97 (43) :11157-11160
[20]   A STUDY OF THE NUCLEATION AND GROWTH PROCESSES IN THE SYNTHESIS OF COLLOIDAL GOLD [J].
TURKEVICH, J ;
STEVENSON, PC ;
HILLIER, J .
DISCUSSIONS OF THE FARADAY SOCIETY, 1951, (11) :55-&