K8[Co(H2O)W11NiO39]/PANI/SnO2复合材料的制备及其光催化性能  

Preparation and photocatalytic performance of K8[Co(H2O)W11NiO39]/PANI/SnO2 composite materials

作　　者：杨超群[1] 单秋杰[1] 田景芝[1] 陈伟[1] YANG Chaoqun;SHAN Qiujie;TIAN Jingzhi;CHEN Wei(School of Chemistry and Chemical Engineering,Qiqihar University,Qiqihar 161006,China)

机构地区：[1]齐齐哈尔大学化学与化学工程学院,黑龙江齐齐哈尔161006

出　　处：《印染助剂》2020年第6期19-23,共5页Textile Auxiliaries

基　　金：黑龙江省教育厅基金项目(12531769)。

摘　　要：运用化学氧化聚合法将聚苯胺包覆到纳米SnO2颗粒表面制得PANI/SnO2,采用直接合成法制备K8[Co(H2O)W11NiO39];以(NH4)2S2O8为氧化剂,运用静电自组装法将K8[Co(H2O)W11NiO39]与PANI/SnO2制成K8[Co(H2O)W11NiO39]/PANI/SnO2复合材料,通过红外、紫外、XRD、SEM、EDS和氮气吸附进行表征。以K8[Co(H2O)W11NiO39]/PANI/SnO2为催化剂,研究其对孔雀石绿溶液的光催化降解性能,结果表明,在紫外光照射下的优化光催化条件为:孔雀石绿初始质量浓度10 mg/L、pH=2、催化剂用量8 mg,此时脱色效果较好,最高降解率可达96.2%。PANI/SnO2 was prepared by chemical oxidation polymerization by coating polyaniline on the sur⁃face of nano SnO2 particles,and K8[Co(H2O)W11NiO39]were prepared by direct synthesis method.(NH4)2S2O8 was used as oxidant,K8[Co(H2O)W11NiO39]/PANI/SnO2 composite materials were prepared by K8[Co(H2O)W11NiO39]and PANI/SnO2 through electrostatic self-assembly method.The composite material was character⁃ized by IR,UV,XRD,SEM,EDS and nitrogen adsorption.K8[Co(H2O)W11NiO39]/PANI/SnO2 was used as catalyst to study the photocatalytic degradation of malachite green solution.The results showed that the optimal photo⁃catalytic conditions of malachite green solution under UV irradiation were:initial mass concentration of mala⁃chite green 10 mg/L,pH=2,catalyst dosage 8 mg.At this time,the decolorization effect was the best,and the highest degradation rate could reach 96.2%.

关 键 词：杂多酸 聚苯胺 纳米SNO2 孔雀石绿 光催化降解 

分 类 号：TQ426.8[化学工程] X791[环境科学与工程—环境工程]