【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%。更多还原

【Abstract】 PANI/SnO₂ was prepared by chemical oxidation polymerization by coating polyaniline on the surface 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 characterized 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 photocatalytic conditions of malachite green solution under UV irradiation were: initial mass concentration of malachite 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%.更多还原