安徽工程大学学报
安徽工程大學學報
안휘공정대학학보
Journal of Anhui Polytechnic University
2015年
5期
32-35
,共4页
BiVO 4%CNTs%复合材料%光催化降解%甲基橙
BiVO 4%CNTs%複閤材料%光催化降解%甲基橙
BiVO 4%CNTs%복합재료%광최화강해%갑기등
BiVO 4%CNTs%composite materials%photocatalytic degradation%methyl orange
以 Bi(NO 3)3、NH 4 VO 3、碳纳米管(CNTs)为原料,采用水热法制备一系列不同质量比复合的 BiVO 4/CNTs 光催化剂。利用紫外-可见漫反射(UV-vis DRS)、光致发光光谱(PL)等手段对催化剂的光学性能进行了表征。甲基橙作为光催化反应的目标化合物,研究其可见光催化活性。以对苯二甲酸作为探针分子,研究了BiVO 4/CNTs复合光催化剂表面羟基自由基的生成。结果表明:BiVO 4/CNTs 复合材料的可见光催化活性高于纯 BiVO 4;不同组成的复合光材料以1% BiVO 4/CNTs 复合催化剂光催化效果最佳。
以 Bi(NO 3)3、NH 4 VO 3、碳納米管(CNTs)為原料,採用水熱法製備一繫列不同質量比複閤的 BiVO 4/CNTs 光催化劑。利用紫外-可見漫反射(UV-vis DRS)、光緻髮光光譜(PL)等手段對催化劑的光學性能進行瞭錶徵。甲基橙作為光催化反應的目標化閤物,研究其可見光催化活性。以對苯二甲痠作為探針分子,研究瞭BiVO 4/CNTs複閤光催化劑錶麵羥基自由基的生成。結果錶明:BiVO 4/CNTs 複閤材料的可見光催化活性高于純 BiVO 4;不同組成的複閤光材料以1% BiVO 4/CNTs 複閤催化劑光催化效果最佳。
이 Bi(NO 3)3、NH 4 VO 3、탄납미관(CNTs)위원료,채용수열법제비일계렬불동질량비복합적 BiVO 4/CNTs 광최화제。이용자외-가견만반사(UV-vis DRS)、광치발광광보(PL)등수단대최화제적광학성능진행료표정。갑기등작위광최화반응적목표화합물,연구기가견광최화활성。이대분이갑산작위탐침분자,연구료BiVO 4/CNTs복합광최화제표면간기자유기적생성。결과표명:BiVO 4/CNTs 복합재료적가견광최화활성고우순 BiVO 4;불동조성적복합광재료이1% BiVO 4/CNTs 복합최화제광최화효과최가。
Using Bi(NO 3 )3 ,NH 4 VO 3 ,carbon nanotubes (CNTs)as raw material,BiVO 4/CNTs compos-ite photocatalysts with various weight percentages of CNT prepared by hydrothermal method,character-ized by UV-visible diffuse reflectance (UV-vis DRS),photoluminescence (PL)spectrum.The photocata-lytic activities of BiVO 4/CNTs obtained were evaluated by photocatalytic degradation of methyl orange as the target compounds under the visible light.The formation of hydroxyl radical on the surface of BiVO 4/CNTs photocatalysts was researched by using terephthalic acid as a probe molecule,The results show that photocatalyst activity of BiVO 4/CNTs composite photocatalyst is higher than the pure BiVO 4 ,photocatalysts activity is the highest with 1% CNTs composite and the photocatalytic degrada-tion rate of methyl orange can reach 58.2%.