Layer-by layer assembly of CdSe nanoparticles based on hydrogen bonding

被引：103

作者：

Hao, EC ^{[1
]}

Lian, TQ ^{[1
]}

机构：

[1] Emory Univ, Dept Chem, Atlanta, GA 30322 USA

来源：

LANGMUIR | 2000年 / 16卷 / 21期

关键词：

D O I：

10.1021/la000761f

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

We report the synthesis of nonaqueous dispersion of CdSe nanoparticles and the layer-by-layer assembly of hybrid poly(vinylpyridine) (PVP)/CdSe multilayer thin films based on hydrogen bonding. The multilayer buildup is monitored by W-vis spectra, which showed a linear increase of the film absorbance with the number of adsorbed CdSe layers. The resulted films have a high degree of flatness and smoothness as indicated by small-angle X-ray diffraction. Hydrogen bond interaction, the driving force for the formation of PVP/CdSe multilayer thin film, between the pyridine group of PVP and the carboxylic acid group on CdSe was verified by FTIR spectroscopy.

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收藏

页码：7879 / 7881

页数：3

相关论文

共 17 条

[1] Perspectives on the physical chemistry of semiconductor nanocrystals [J].

Alivisatos, AP .

JOURNAL OF PHYSICAL CHEMISTRY, 1996, 100 (31) :13226-13239

[2] Layer-by-layer assembly of thin film zener diodes from conducting polymers and CdSe nanoparticles [J].

Cassagneau, T ;

Mallouk, TE ;

Fendler, JH .

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 1998, 120 (31) :7848-7859

[3] Fuzzy nanoassemblies: Toward layered polymeric multicomposites [J].

Decher, G .

SCIENCE, 1997, 277 (5330) :1232-1237

[4] BUILDUP OF ULTRATHIN MULTILAYER FILMS BY A SELF-ASSEMBLY PROCESS .1. CONSECUTIVE ADSORPTION OF ANIONIC AND CATIONIC BIPOLAR AMPHIPHILES ON CHARGED SURFACES [J].

DECHER, G ;

HONG, JD .

MAKROMOLEKULARE CHEMIE-MACROMOLECULAR SYMPOSIA, 1991, 46 :321-327

[5] THE COLLOID-CHEMICAL APPROACH TO NANOSTRUCTURED MATERIALS [J].

FENDLER, JH ;

MELDRUM, FC .

ADVANCED MATERIALS, 1995, 7 (07) :607-632

[6]

GREAGER SE, 1995, LANGMUIR, V11, P1852

[7]

KATIM T, 1992, MACROMOLECULES, V25, P6838

[8] REACTION OF SELENIUM WITH SODIUM-BOROHYDRIDE IN PROTIC SOLVENTS - FACILE METHOD FOR INTRODUCTION OF SELENIUM INTO ORGANIC-MOLECULES [J].

KLAYMAN, DL ;

GRIFFIN, TS .

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 1973, 95 (01) :197-200

[9] LAYER-BY-LAYER SELF-ASSEMBLY OF POLYELECTROLYTE-SEMICONDUCTOR NANOPARTICLE COMPOSITE FILMS [J].

KOTOV, NA ;

DEKANY, I ;

FENDLER, JH .

JOURNAL OF PHYSICAL CHEMISTRY, 1995, 99 (35) :13065-13069

[10] USE OF INTERMOLECULAR HYDROGEN-BONDING FOR THE INDUCTION OF LIQUID CRYSTALLINITY IN THE SIDE-CHAIN OF POLYSILOXANES [J].

KUMAR, U ;

KATO, T ;

FRECHET, JMJ .

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 1992, 114 (17) :6630-6639