| 聚乙烯醇对光还原Ni~(2+)制备纳米Ni性能及染料敏化制氢的影响 |
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| 引用本文： | 黄振星,李亚飞,李越湘,彭绍琴.聚乙烯醇对光还原Ni~(2+)制备纳米Ni性能及染料敏化制氢的影响[J].分子催化,2017,31(2):181-187. |
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| 作者姓名： | 黄振星 李亚飞 李越湘 彭绍琴 |
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| 作者单位： | 南昌大学化学系,江西南昌,330031 |
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| 基金项目： | 国家自然科学基金资助（21163012，21563019）；江西省教育厅科技项目（GJJ13065）；江西省自然科学基金资助（20151BAB203013）；化工资源有效利用国家重点实验室开放基金（CRE-2016-C-102）资助 |
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| 摘 要： | 采用染料曙红-Y(EY)作为敏化剂将Ni~(2+)光还原制备纳米Ni.在该反应体系中,不加入PVA时,光还原所得到的纳米Ni为球状粒子;而加入PVA,由于其模板导向作用,多数纳米镍呈现棒状.吸附在Ni表面的PVA能够促进光生电子从EY向棒状镍转移,从而提高其染料敏化制氢的活性和稳定性.
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| 关 键 词： | 纳米镍 聚乙烯醇 染料敏化 制氢 |
| 收稿时间： | 2017/1/10 0:00:00 |
| 修稿时间： | 2017/2/15 0:00:00 |
Effect of Polyvinyl Alcohol on Performance of Ni Nanoparticles Prepared by Photoreduction of Ni2+ and Its Dye-sensitized Photocatalytic Hydrogen Production |
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| HUANG Zhen-xing,LI Ya-fei,LI Yue-xiang and PENG Shao-qin.Effect of Polyvinyl Alcohol on Performance of Ni Nanoparticles Prepared by Photoreduction of Ni2+ and Its Dye-sensitized Photocatalytic Hydrogen Production[J].Journal of Molecular Catalysis (China),2017,31(2):181-187. |
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| Authors: | HUANG Zhen-xing LI Ya-fei LI Yue-xiang and PENG Shao-qin |
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| Institution: | Department of Chemistry, Nanchang University, Nanchang 330031, China;Department of Chemistry, Nanchang University, Nanchang 330031, China;Department of Chemistry, Nanchang University, Nanchang 330031, China;Department of Chemistry, Nanchang University, Nanchang 330031, China |
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| Abstract: | Ni nanoparticles were fabricated by photoreduction of Ni2+ using dye eosin-Y as a sensitizer. In this reaction system, in the absence of PVA sphere-like Ni nanoparticles were obtained by the photoreduction; whereas in the presence of PVA, due to its template guiding role, the prepared Ni nanoparticles showed rod-like morphology. The PVA adsorbed on rod-like Ni nanoparticles can promote the transfer of photoinduced electrons from eosin-Y to Ni, leading to increase of the activity and stability of the dye-sensitized photocatalytic hydrogen production. |
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| Keywords: | nano-Ni polyvinyl alcohol dye sensitization hydrogen production |
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