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基于氧化锌纳米颗粒-石墨烯异质结构的高性能紫外光探测器
  • ISSN号：1674-0068
  • 期刊名称：《化学物理学报》
  • 时间：0
  • 分类：O6[理学—化学]
  • 作者机构：[1]中国科学技术大学物理系,合肥230026, [2]安徽大学物理与材料科学学院,合肥230039, [3]中国科学技术大学合肥微尺度物质科学国家实验室筹,合肥230026
  • 相关基金：This work is supported by MOST of China （No.2011CB921403）, the Chinese Academy of Science, and the National Natural Science Foundation of China （No.10874165, No.90921013, No.11074231, and No. 11004179）.
作者： 刘金养[1], 于欣欣[2], 张光辉[1], 吴昱昆[1], 张琨[3], 潘楠[3], 王晓平[1,3]
关键词： 氧化锌纳米颗粒, 还原石墨烯, 异质结构, 紫外光探测器, ZnO nanoparticle, Reduced graphite oxide, Hybrid structure, UV photodector
中文摘要：

报道了一种基于水热反应制备无表面活性剂的氧化锌纳米颗粒-还原石墨烯异质结构的新方法．研究表明异质结构中氧化锌纳米晶体颗粒的平均直径为5nm，这些颗粒均匀分布在还原石墨烯表面，其密度可以通过反应物的浓度进行有效调节．并进一步构建了基于这种异质结构的光电探测器．该探测器对紫外光的响应很快，光电流响应变化可达四个量级．这些结果表明该异质结构特别适合作为替代材料用于设计和构建高性能的紫外光探测器件．

英文摘要：

Ultraviolet （UV） photodetector constructed by ZnO material has attracted intense research and commercial interest. However, its photoresistivity and photoresonse are still unsatisfied. Herein, we report a novel method to assemble ZnO nanoparticles （NPs） onto the reduced graphite oxide （RGO） sheet by simple hydrothermal process without any surfactant. It is found that the high-quality crystallized ZnO NPs with the average diameter of 5 nm are well dispersed on the RGO surface, and the density of ZnO NPs can be readily controlled by the concentration of the precursor. The photodetector fabricated with this ZnO NPs- RGO hybrid structure demonstrates an excellent photoresponse for the UV irradiation. The results make this hybrid especially suitable as a novel material for the design and fabrication of high performance UV photodector.

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期刊信息
  • 《化学物理学报》
  • 中国科技核心期刊
  • 主管单位:中国科协
  • 主办单位:中国物理学会
  • 主编：杨学明
  • 地址：合肥中国科学技术大学
  • 邮编：230026
  • 邮箱：cjcp@ustc.edu.cn
  • 电话：0551-3601122
  • 国际标准刊号：ISSN：1674-0068
  • 国内统一刊号：ISSN：34-1295/O6
  • 邮发代号:26-62
  • 获奖情况:
  • 1998年获安徽省优秀科技期刊一等奖
  • 国内外数据库收录:
  • 俄罗斯文摘杂志,美国化学文摘（网络版）,荷兰文摘与引文数据库,美国科学引文索引（扩展库）,英国科学文摘数据库,日本日本科学技术振兴机构数据库,中国中国科技核心期刊,中国北大核心期刊（2004版）,英国英国皇家化学学会文摘,中国北大核心期刊（2000版）
  • 被引量:4282