| 四种Keggin型多酸纳米材料的制备及其吸附有机染料的性能 |
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| 引用本文： | 纳森巴特,陈维林,刘竹君,徐莎莎,王恩波.四种Keggin型多酸纳米材料的制备及其吸附有机染料的性能[J].无机化学学报,2013,29(18). |
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| 作者姓名： | 纳森巴特 陈维林 刘竹君 徐莎莎 王恩波 |
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| 作者单位： | 东北师范大学化学学院多酸科学教育部重点实验室, 长春 130024,东北师范大学化学学院多酸科学教育部重点实验室, 长春 130024,东北师范大学化学学院多酸科学教育部重点实验室, 长春 130024,东北师范大学化学学院多酸科学教育部重点实验室, 长春 130024,东北师范大学化学学院多酸科学教育部重点实验室, 长春 130024 |
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| 基金项目： | 国家自然科学基金(No.21201031),高等学校博士学科点专项科研基金新教师类资助课题(No.20120043120007),吉林省科技发展计划青年科研基金(No.201201072)资助项目。 |
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| 摘 要： | 以4种Keggin型多酸作为原料(分别为H3PW12O40·36H2O(简写为PW12a)、H3PMo12O40·34H2O(简写为PMo12a)、H4SiW12O40·35H2O(简写为SiW12a)和H4GeW12O40·40H2O(简写为GeW12a)),采用表面活性剂智能化控制的软化学法制备了相应的4种Keggin型多酸纳米材料,分别为Ag3PW12O40·36H2O(简写为PW12b)、Ag3PMo12O40·34H2O(简写为PMo12b)、Ag4SiW12O40·35H2O(简写为SiW12b)和Ag4GeW12O40·40H2O(简写为GeW12b)。采用IR、UV-Vis、XRD和SEM表征多酸的结构和纳米粒子的形貌。在室内黑暗条件下,100mg样品可在5min内把20mg·L-1的100mL亚甲基蓝(MB)染料溶液脱色,使其变为接近无色,吸附效率最高可达96.3%,吸附效率大小为PMo12b >PW12b >GeW12b >SiW12b。相同条件下,100mg样品使20mg·L-1的100mL罗丹明B(RhB)染料溶液30min内脱色完全,脱色效率最高可达96.1%,吸附效率大小为PW12b >PMo12b >SiW12b >GeW12b。说明该4种多酸纳米材料具有较高的吸附有机染料性能。
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| 关 键 词： | 纳米材料 多金属氧酸盐 吸附 亚甲基蓝 罗丹明B |
Four Keggin-based Nanomaterials: Synthesis and Adsorption of Organic Dyes |
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| NASEN Bate,CHEN Wei-Lin,LIU Zhu-Jun,XU Sha-Sha and WANG En-Bo.Four Keggin-based Nanomaterials: Synthesis and Adsorption of Organic Dyes[J].Chinese Journal of Inorganic Chemistry,2013,29(18). |
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| Authors: | NASEN Bate CHEN Wei-Lin LIU Zhu-Jun XU Sha-Sha and WANG En-Bo |
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| Institution: | Key Laboratory of Polyoxometalate Science of Ministry of Education, Department of Chemistry, Northeast Normal University, Changchun 130024, China,Key Laboratory of Polyoxometalate Science of Ministry of Education, Department of Chemistry, Northeast Normal University, Changchun 130024, China,Key Laboratory of Polyoxometalate Science of Ministry of Education, Department of Chemistry, Northeast Normal University, Changchun 130024, China,Key Laboratory of Polyoxometalate Science of Ministry of Education, Department of Chemistry, Northeast Normal University, Changchun 130024, China and Key Laboratory of Polyoxometalate Science of Ministry of Education, Department of Chemistry, Northeast Normal University, Changchun 130024, China |
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| Abstract: | Four Keggin-based nanomaterials (PMo12b, PW12b, SiW12b and GeW12b) were controllably prepared. The structure and the size of all the compounds have been characterized by IR, UV-Vis, XRD and SEM. Further investigations showed that four Keggin-based nanomaterials exhibited fast adsorption rate towards dye molecules. The adsorption efficiency of those compounds (100 mg) towards MB (100 mL of 20 mg·L-1) could reach up to 96.3% in the initial 5 min under dark condition, the adsorption efficiency sequence is PMo12b >PW12b >GeW12b >SiW12b. And also, the adsorption efficiency towards RhB (100 mL of 20 mg·L-1)could reach up to 96.1% in 30 min under same conditions, the adsorption efficiency sequence is PW12b >PMo12b >SiW12b >GeW12b. All the investigations indicate that the four kind of POMs-nanomaterials present excellent adsorption properties of the organic dyes. |
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| Keywords: | nanomaterial polyoxometalate (POM) adsorption methylene blue (MB) Rhodamin B (RhB) |
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