在新选项卡中打开链接
  1. Copilot 答案
    ScienceDirect
    https://www.sciencedirect.com › science › article › pii

    Infrared studies on SnO2 and Pd/SnO2 - ScienceDirect

    • The peculiarities of the IR studies of adsorption on semiconducting oxides are reviewed with special attention to SnO2. Absorption by free electrons is very strong in reducing atmospheres and well-defined cond… 展开

    Keywords

    FTIR spectroscopy
    Tin dioxide
    Palladium catalysts
    CO adsorption 展开

    ScienceDirect
    1. Introduction

    1.1. Peculiarities concerning the infrared studies of semiconducting oxides
    The optical absorption of semiconducting oxides arises from five different phenomena [1]: (i) intrinsic a… 展开

    ScienceDirect
    2. Experimental

    2.1. Samples preparation
    High surface area tin dioxide (174 m2/g) was prepared through reaction of metallic tin with concentrated nitric acid, centrifugation of … 展开

    ScienceDirect
    3. IR studies on SnO2

    Several bands due to fundamentals, overtones and combinations of OH, Sn–O and Sn–O–Sn entities appear in the 4000–800 cm−1 range; below 800 cm−1 there occurs the … 展开

    ScienceDirect
    4. Pd/SnO2 samples

    4.1. CO adsorption
    CO adsorption was carried out at r.t. or at a fixed temperature Tads. Upon contact with 100 Torr CO, the sample suffers a strong transmission dec… 展开

    ScienceDirect
    What is atomic layer deposited Sno 2?
    Atomic layer-deposited (ALD) SnO 2 films were prepared using tetrakis (dimethylamido)-Sn (IV) (TDMA-Sn), 99.9% from STREM Chemicals, as the metal–organic precursor and water as the co-reactant.
    pubs.acs.org
  2. 某些结果已被删除