三维花状Co3O4的低成本制备及其在催化CO氧化中的应用
삼유화상Co3O4적저성본제비급기재최화CO양화중적응용
Low Cost Synthesis of 3D Flowerlike Co3O4 Nanostructures as Active Catalyst for CO Oxidation
  • 万方数据
    催化学报 최화학보
    CHINESE JOURNAL OF CATALYSIS
    2012年 8期 1334-1339 ,共6页

    曹昌燕%窦智峰%刘华%宋卫国

    조창연%두지봉%류화%송위국

    一氧化碳%氧化%四氧化三钴%纳米结构%微波 一氧化碳%氧化%四氧化三鈷%納米結構%微波
    일양화탄%양화%사양화삼고%납미결구%미파
    carbon monoxide%oxidation%cobaltosic oxide%nanostructure%microwave
    采用一种快速、无模板、低成本的微波辅助水热法在2 min内制备了三维花状Co3O4.所用原料均是无机盐.前驱体浓度和尿素的逐渐水解对Co3O4形貌影响很大.制得的花状Co3O4比表面积大,且暴露了(110)高活性指数面,对CO氧化具有较高的催化活性.
    채용일충쾌속、무모판、저성본적미파보조수열법재2 min내제비료삼유화상Co3O4.소용원료균시무궤염.전구체농도화뇨소적축점수해대Co3O4형모영향흔대.제득적화상Co3O4비표면적대,차폭로료(110)고활성지수면,대CO양화구유교고적최화활성.
    3D flowerlike Co3O4 nanostructures were prepared by a microwave-assisted hydrothermal method,which is a rapid,template-free,and low cost method.The product is obtained in two minutes using all inorganic precursors.The precursor concentration and gradual hydrolysis of urea determine the morphology of Co3O4 nanostmctures.These flowerlike Co3O4 nanostructures have high surface area and expose largely active (110) planes,leading to relative high catalytic activity in CO oxidation.
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