RBS analysis of Langmuir-Blodgett films bearing quantum-sized CdS particles

被引:14
作者
Yamaki, T
Asai, K
Ishigure, K
机构
[1] Dept. of Quant. Eng./Systems Science, Graduate School of Engineering, University of Tokyo, Tokyo 113, 7-3-1 Hongo, Bunkyo-ku
关键词
D O I
10.1016/S0009-2614(97)00611-8
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
Rutherford backscattering spectrometry is applied to an analysis of the structure of Langmuir-Blodgett (LB) films bearing quantum-sized cadmium sulfide particles (Q-CdS), Cadmium arachidate LB films before and after exposure to hydrogen sulfide are analyzed using a beam of 2 MeV He-4(2+). The change in the Cd-edge is ascribed to the Cd migration toward the substrate, which suggests that a well-ordered layer structure of the original film is disordered during Q-CdS formation. This finding indicates that the Q-CdS produced in hydrophilic interlayers cannot be two-dimensional platelets but are spherical particles. (C) 1997 Elsevier Science B.V.
引用
收藏
页码:376 / 380
页数:5
相关论文
共 21 条
  • [1] FABRICATION OF ULTRATHIN METAL-OXIDE FILMS USING LANGMUIR-BLODGETT DEPOSITION
    AMM, DT
    JOHNSON, DJ
    LAURSEN, T
    GUPTA, SK
    [J]. APPLIED PHYSICS LETTERS, 1992, 61 (05) : 522 - 524
  • [2] HIGH ENERGY-ION-INDUCED FLUORESCENCE FROM SIZE-QUANTIZED CDS PARTICLES INCORPORATED INTO LANGMUIR-BLODGETT-FILMS - SURFACE-TREATMENT OF FINE PARTICLES
    ASAI, K
    ISHIGURE, K
    SHIBATA, H
    [J]. JOURNAL OF LUMINESCENCE, 1995, 63 (5-6) : 215 - 222
  • [3] Chu W., 1978, BACKSCATTERING SPECT, DOI DOI 10.1016/B978-0-12-173850-1.50008-9
  • [4] QUANTUM SIZE EFFECT IN SEMICONDUCTOR MICROCRYSTALS
    EKIMOV, AI
    EFROS, AL
    ONUSHCHENKO, AA
    [J]. SOLID STATE COMMUNICATIONS, 1985, 56 (11) : 921 - 924
  • [5] PHOTOCHEMISTRY OF SEMICONDUCTOR COLLOIDS .36. FLUORESCENCE INVESTIGATIONS ON THE NATURE OF ELECTRON AND HOLE TRAPS IN Q-SIZED COLLOIDAL CDS PARTICLES
    EYCHMULLER, A
    HASSELBARTH, A
    KATSIKAS, L
    WELLER, H
    [J]. BERICHTE DER BUNSEN-GESELLSCHAFT-PHYSICAL CHEMISTRY CHEMICAL PHYSICS, 1991, 95 (01): : 79 - 84
  • [6] LANGMUIR-BLODGETT DEPOSITION OF YTTRIUM ARACHIDATE
    JOHNSON, DJ
    AMM, DT
    LAURSEN, T
    GUPTA, SK
    [J]. THIN SOLID FILMS, 1993, 232 (02) : 245 - 251
  • [7] RBS ANALYSIS OF LANGMUIR-BLODGETT-FILMS
    LAURSEN, T
    PALMER, GR
    AMM, DT
    JOHNSON, D
    [J]. NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION B-BEAM INTERACTIONS WITH MATERIALS AND ATOMS, 1993, 82 (01) : 125 - 128
  • [8] LU YM, 1994, P SOC PHOTO-OPT INS, V2321, P222, DOI 10.1117/12.182177
  • [9] STEPWISE GROWTH OF SIZE-CONFINED CDS IN THE 2-DIMENSIONAL HYDROPHILIC INTERLAYERS OF LANGMUIR-BLODGETT-FILMS BY THE REPEATED SULFIDATION-INTERCALATION TECHNIQUE
    MORIGUICHI, I
    HOSOI, K
    NAGAOKA, H
    TANAKA, I
    TERAOKA, Y
    KAGAWA, S
    [J]. JOURNAL OF THE CHEMICAL SOCIETY-FARADAY TRANSACTIONS, 1994, 90 (02): : 349 - 354
  • [10] NAKAMURA A, 1992, NONLINEAR OPTICS FUN