Semiconductor clusters, nanocrystals, and quantum dots

被引:10278
作者
Alivisatos, AP [1 ]
机构
[1] UNIV CALIF BERKELEY,LAWRENCE BERKELEY LAB,DIV MAT SCI,BERKELEY,CA 94720
关键词
D O I
10.1126/science.271.5251.933
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
Current research into semiconductor clusters is focused on the properties of quantum dots-fragments of semiconductor consisting of hundreds to many thousands of atoms-with the bulk bonding geometry and with surface states eliminated by enclosure in a material that has a larger band gap. Quantum dots exhibit strongly size-dependent optical and electrical properties. The ability to join the dots into complex assemblies creates many opportunities for scientific discovery.
引用
收藏
页码:933 / 937
页数:5
相关论文
共 31 条
[1]   ELECTRONIC STATES OF SEMICONDUCTOR CLUSTERS - HOMOGENEOUS AND INHOMOGENEOUS BROADENING OF THE OPTICAL-SPECTRUM [J].
ALIVISATOS, AP ;
HARRIS, AL ;
LEVINOS, NJ ;
STEIGERWALD, ML ;
BRUS, LE .
JOURNAL OF CHEMICAL PHYSICS, 1988, 89 (07) :4001-4011
[2]   QUANTUM CRYSTALLITES AND NONLINEAR OPTICS [J].
BRUS, L .
APPLIED PHYSICS A-MATERIALS SCIENCE & PROCESSING, 1991, 53 (06) :465-474
[3]   ELECTRONIC SPECTROSCOPY AND PHOTOPHYSICS OF SI NANOCRYSTALS - RELATIONSHIP TO BULK C-SI AND POROUS SI [J].
BRUS, LE ;
SZAJOWSKI, PF ;
WILSON, WL ;
HARRIS, TD ;
SCHUPPLER, S ;
CITRIN, PH .
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 1995, 117 (10) :2915-2922
[4]  
CANHAM LT, 1990, APPL PHYS LETT, V57, P1064
[5]   LUMINESCENCE PROPERTIES OF INDIRECT BANDGAP SEMICONDUCTORS - NANOCRYSTALS OF SILVER BROMIDE [J].
CHEN, W ;
REHM, JM ;
MEYERS, C ;
FREEDHOFF, MI ;
MARCHETTI, A ;
MCLENDON, G .
MOLECULAR CRYSTALS AND LIQUID CRYSTALS SCIENCE AND TECHNOLOGY SECTION A-MOLECULAR CRYSTALS AND LIQUID CRYSTALS, 1994, 252 :79-86
[6]   PHYSICS OF METAL-CLUSTERS [J].
COHEN, ML ;
CHOU, MY ;
KNIGHT, WD ;
DEHEER, WA .
JOURNAL OF PHYSICAL CHEMISTRY, 1987, 91 (12) :3141-3149
[7]   VALENCE-BAND PHOTOEMISSION FROM A QUANTUM-DOT SYSTEM [J].
COLVIN, VL ;
ALIVISATOS, AP ;
TOBIN, JG .
PHYSICAL REVIEW LETTERS, 1991, 66 (21) :2786-2789
[8]  
COLVIN VL, 1994, NATURE, V370, P354, DOI 10.1038/370354a0
[9]   ELECTROLUMINESCENCE FROM CDSE QUANTUM-DOT POLYMER COMPOSITES [J].
DABBOUSI, BO ;
BAWENDI, MG ;
ONITSUKA, O ;
RUBNER, MF .
APPLIED PHYSICS LETTERS, 1995, 66 (11) :1316-1318
[10]   TEMPERATURE-DEPENDENCE OF THE OPTICAL-RESPONSE OF SMALL, OPEN-SHELL SODIUM CLUSTERS [J].
ELLERT, C ;
SCHMIDT, M ;
SCHMITT, C ;
REINERS, T ;
HABERLAND, H .
PHYSICAL REVIEW LETTERS, 1995, 75 (09) :1731-1734