A single source approach to the synthesis of CdSe nanocrystallites

被引:150
作者
Trindade, T [1 ]
OBrien, P [1 ]
机构
[1] UNIV LONDON IMPERIAL COLL SCI TECHNOL & MED,DEPT CHEM,LONDON SW7 2AY,ENGLAND
关键词
D O I
10.1002/adma.19960080214
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
Synthetic routes to semiconductor nanocrystallites have become of particular interest since nanoparticle devices have been constructed. The route reported here for CdSe uses a single source in tri-n-octylphosphine oxide instead of the hazardous metal alkyls conventionally employed. The characterization of the nanocrystallites (see figure) shows that they are crystalline, approximately spherical, and close to monodispersed.
引用
收藏
页码:161 / &
页数:4
相关论文
共 28 条
[11]   X-RAY PHOTOELECTRON-SPECTROSCOPY OF CDSE NANOCRYSTALS WITH APPLICATIONS TO STUDIES OF THE NANOCRYSTAL SURFACE [J].
KATARI, JEB ;
COLVIN, VL ;
ALIVISATOS, AP .
JOURNAL OF PHYSICAL CHEMISTRY, 1994, 98 (15) :4109-4117
[12]   NUCLEATION AND GROWTH OF CDSE ON ZNS QUANTUM CRYSTALLITE SEEDS, AND VICE VERSA, IN INVERSE MICELLE MEDIA [J].
KORTAN, AR ;
HULL, R ;
OPILA, RL ;
BAWENDI, MG ;
STEIGERWALD, ML ;
CARROLL, PJ ;
BRUS, LE .
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 1990, 112 (04) :1327-1332
[13]   CALCULATION OF THE BAND-GAP FOR SMALL CDS AND ZNS CRYSTALLITES [J].
LIPPENS, PE ;
LANNOO, M .
PHYSICAL REVIEW B, 1989, 39 (15) :10935-10942
[14]  
MASON GW, 1960, J INORG NUCL CHEM, V12, P315
[15]   PREPARATION, CHARACTERIZATION, AND PHOTOPHYSICS OF THE QUANTUM-DOT QUANTUM-WELL SYSTEM CDS/HGS/CDS [J].
MEWS, A ;
EYCHMULLER, A ;
GIERSIG, M ;
SCHOOSS, D ;
WELLER, H .
JOURNAL OF PHYSICAL CHEMISTRY, 1994, 98 (03) :934-941
[16]   SYNTHESIS AND CHARACTERIZATION OF NEARLY MONODISPERSE CDE (E = S, SE, TE) SEMICONDUCTOR NANOCRYSTALLITES [J].
MURRAY, CB ;
NORRIS, DJ ;
BAWENDI, MG .
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 1993, 115 (19) :8706-8715
[17]   FINITE DEPTH SPHERICAL WELL MODEL FOR EXCITED-STATES OF ULTRASMALL SEMICONDUCTOR PARTICLES - AN APPLICATION [J].
NOSAKA, Y .
JOURNAL OF PHYSICAL CHEMISTRY, 1991, 95 (13) :5054-5058
[18]   SIZE EFFECTS IN THE EXCITED ELECTRONIC STATES OF SMALL COLLOIDAL CDS CRYSTALLITES [J].
ROSSETTI, R ;
ELLISON, JL ;
GIBSON, JM ;
BRUS, LE .
JOURNAL OF CHEMICAL PHYSICS, 1984, 80 (09) :4464-4469
[19]   UNIFORM GAAS QUANTUM DOTS IN A POLYMER MATRIX [J].
SALATA, OV ;
DOBSON, PJ ;
HULL, PJ ;
HUTCHISON, JL .
APPLIED PHYSICS LETTERS, 1994, 65 (02) :189-191
[20]   SYNTHESIS OF ZINC-SULFIDE CLUSTERS AND ZINC PARTICLES WITHIN MICROPHASE-SEPARATED DOMAINS OF ORGANOMETALLIC BLOCK-COPOLYMERS [J].
SANKARAN, V ;
YUE, J ;
COHEN, RE ;
SCHROCK, RR ;
SILBEY, RJ .
CHEMISTRY OF MATERIALS, 1993, 5 (08) :1133-1142