还原石墨烯氧化物/磷酸铋纳米复合物的合成及增强的光催化活性

引用本文: 胡鹏, 牛静, 喻淼, 林双燕. 还原石墨烯氧化物/磷酸铋纳米复合物的合成及增强的光催化活性[J]. 分析化学, 2017, 45(3): 357-362. doi: 10.11895/j.issn.0253-3820.160734 shu

Citation: HU Peng, NIU Jing, YU Miao, LIN Shuang-Yan. Facile Solvothermal Synthesis of Reduced Graphene Oxide-BiPO₄ Nanocomposite with Enhanced Photocatalytic Activity[J]. Chinese Journal of Analytical Chemistry, 2017, 45(3): 357-362. doi: 10.11895/j.issn.0253-3820.160734 shu

还原石墨烯氧化物/磷酸铋纳米复合物的合成及增强的光催化活性

胡鹏 ^1, ,
牛静 ^1, ,
喻淼 ^1, ,
林双燕 ^2,

1.
黄淮学院化学与制药工程学院, 驻马店 463000;
2.
哈尔滨师范大学物理与电子工程学院, 哈尔滨 150080
基金项目:
本文系河南省科技攻关项目(No.162102310262)、河南省高校重点项目(No.16A150015)、哈尔滨师范大学光电带隙材料省部共建教育部重点实验室开放课题(No.PEBM201510)资助

摘要: 以石墨烯氧化物和硝酸铋为前驱物、甘油为溶剂，200℃下反应1 h，采用溶剂热方法“一锅煮”合成还原石墨烯氧化物/磷酸铋复合纳米材料。利用扫描电镜、透射电镜、X射线衍射、X射线光电子能谱、表面增强拉曼光谱和紫外-可见光谱对所合成样品的形貌和结构进行表征。以罗丹明B作为降解模型分子，考察了复合纳米材料在紫外光照射下的光催化活性。实验结果表明，复合纳米材料的光催化活性优于磷酸铋。在2 h内，还原石墨烯氧化物/磷酸铋对罗丹明B降解率为87.5%；而同样条件下，磷酸铋对罗丹明B的降解率仅为45.7%。复合材料光催化活性的提高主要归因于石墨烯纳米片高效的电子受体和传输特性能有效促进电子-空穴对的分离，进而提高了复合材料的降解效率。

关键词:

English

Facile Solvothermal Synthesis of Reduced Graphene Oxide-BiPO₄ Nanocomposite with Enhanced Photocatalytic Activity

1.
College of Chemistry and Pharmaceutical Engineering, HuangHuai University, Zhumadian 463000, China;
2.
Physics and Electronic Engineering College, Harbin Normal University, Harbin 150025, China
Received Date: 29 September 2016
Revised Date: 23 December 2016
Fund Project:
This work was supported by the Scientific and Technological Project of Henan Province (No. 162102310262), the Key Project of Colleges in Henan (No. 16A150015) and the Open Project Program of Key Laboratory for Photonic and Electric Bandgap Materials, Ministry of Education, Harbin Normal University, China (No. PEBM201510)

Abstract: Reduced graphene oxide-BiPO₄ (RGO-BiPO₄) nanocomposite was synthesized successfully via a one-pot solvothermal method using graphene oxide and bismuth nitrate as precursors and glycerin as solvent at 200℃ for 1 h. The morphology and structure of as-prepared nanocomposite were characterized by SEM, TEM, XRD, XPS, SERS and UV-Visible spectrum. The photocatalytic activity of the nanocomposite was evaluated by the photodegradation of Rhodamine B (RhB) dye under UV irradiation and it was found that RGO-BiPO₄ nanocomposite possessed higher photocatalytic activity than that of pure BiPO₄. RhB could be decomposed 87.5% within 2 h. Under the same conditions, only 45.7% of the RhB dye could be decomposed by BiPO₄. The enhancement of photocatalytic activity could be attributed to the effective charge separation due to the electron-accepting and transporting properties of graphene.

Key words:

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通讯作者: 陈斌, bchen63@163.com

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沈阳化工大学材料科学与工程学院沈阳 110142

还原石墨烯氧化物/磷酸铋纳米复合物的合成及增强的光催化活性

English

Facile Solvothermal Synthesis of Reduced Graphene Oxide-BiPO₄ Nanocomposite with Enhanced Photocatalytic Activity

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通讯作者: 陈斌, bchen63@163.com

中国化学会秘书处

还原石墨烯氧化物/磷酸铋纳米复合物的合成及增强的光催化活性

English

Facile Solvothermal Synthesis of Reduced Graphene Oxide-BiPO4 Nanocomposite with Enhanced Photocatalytic Activity

CCS Chemistry：嵌段共聚物自组装成 “三明治”二维有机材料，实现纳米级压力传感功能

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通讯作者: 陈斌, bchen63@163.com

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