LI JIE

Professor   Supervisor of Doctorate Candidates   Supervisor of Master's Candidates

Gender:Male

Alma Mater:大连理工大学

Degree:Doctoral Degree

School/Department:电气工程学院

Discipline:Environmental Engineering. Theory and New Technology of Electrical Engineering. High Voltage and Insulation Technology

Business Address:大连理工大学电气工程学院静电所


Paper Publications

大气压下介质阻挡放电等离子体与TiO2光催化剂的相互作用

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Indexed by:会议论文

Date of Publication:2017-07-01

Key Words:介质阻挡放电;TiO2薄膜;放电特性;光催化剂表征

Abstract:在对TiO2可见光光催化活性的等离子体改性研究中,为进一步了解等离子体与TiO2之间的相互作用机理,采用板—板介质阻挡放电对TiO2粉末进行处理。考察了负载TiO2薄膜对放电特性的影响,并通过紫外—可见分光吸收光谱对处理后的TiO2进行表征。结果表明,负载催化剂后,放电电流细丝强度降低但密度增加,并产生明显的过零电流脉冲尖峰,且放电功率大幅提升,放电传输电荷量显著增加。经过等离子体处理后的TiO2吸收边向可见光区域发生偏移,禁带宽度降低,更有利于光催化反应的发生。

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