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author:

叶钊 (叶钊.) [1] (Scholars:叶钊) | 潘海波 (潘海波.) [2] (Scholars:潘海波) | 沈水发 (沈水发.) [3] (Scholars:沈水发) | 陈天明 (陈天明.) [4]

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CQVIP PKU CSCD

Abstract:

本文在频率分别为20kHz、30kHz、40kHz(电功率均为500W)的超声场中制备溶胶.用光散射法测得溶胶粒子粒径分别为29.4nm、18.3nm、13.2nm,对无超声场和超声场(40kHz)制备的凝胶进行超临界乙醇干燥.用XRD、BET、TEM、DRS对上述干燥的TiO2粒子进行表征,以光催化降解罗丹明B为模型反应.结果表明,在实验范围内溶胶粒径随超声波频率的升高而减小,加超声场制备的纳米TiO2粒子光催化活性比无超声场下制备的粒子高.

Keyword:

Sol-gel法 光催化降解 纳米TiO2 超临界干燥 超声波

Community:

  • [ 1 ] [叶钊]福州大学
  • [ 2 ] [潘海波]福州大学
  • [ 3 ] [沈水发]福州大学
  • [ 4 ] [陈天明]福州大学

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Source :

应用声学

ISSN: 1000-310X

CN: 11-2121/O4

Year: 2003

Issue: 4

Volume: 22

Page: 16-20

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 6

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