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一种采用锌粉还原制各高电导率的还原石墨烯的绿色、柔和的合成方法
  • ISSN号：1674-0068
  • 期刊名称：《化学物理学报》
  • 时间：0
  • 分类：O[理学]
  • 作者机构：[1]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：V. ACKNOWLEDGMENTS This work is supported by the Ministry of Science and Technologyh of China （No.2011CB921403）, the National Natural Science Foundation of China （No.10874165, No.90921013, No.11074231, and No.11004179） and Chinese Academy of Sciences .
作者： 耿志刚[1], 张光辉[1], 林岳[1], 于欣欣[1], 任文贞[1], 吴昱昆[1], 潘楠[1], 王晓平[1]
关键词： 氧化石墨, 还原, 锌粉, Graphene oxide, Reduction, Zn powder
中文摘要：

报道了一种在室温下，采用锌粉还原氧化石墨烯制备还原石墨烯的简单、绿色的合成途径．随着反应时问的变化，由氧化石墨烯被还原到还原石墨烯的过程分别可通过XRD、UV-Vis以及Raman光谱进行表征，同时通过XPS的结果可知石墨烯的碳氧比由原先的1．67增加到13．7，其电导率高达26．900±2．2kS／m．在厚度大约为20nm、波长为450-1500nm时，其透过率超过70％．

英文摘要：

We report a simple and green approach to synthesize reduced graphene oxide （RGO） nanosheets at room temperature based on Zn reduction of exfoliated GO. The evolution of GO to RGO has been characterized by X-ray diffraction, UV-Vis absorption spectroscopy and Raman spectroscopy. The results of X-ray photoelectron spectroscopy reveal that the atomic ratio of carbon to oxygen in the RGO can be tuned from 1.67 to 13.7 through controlling the reduction time. Moreover, the conductivity of the RGO is measured to be 26.9±2.2 kS/m, much larger than those previously obtained by chemical reduction through other reducing agents. More importantly, the resistance of the RGO film with 20 nm thickhess can be as low as 2 kΩ/square, while a high transparency over 70% within a broad spectral range from 0.45 pm to 1.50 p.m can be retained. The proposed method is low-cost, eco-friendly and highly-eiffcient, the as-prepared thinner RGO films are useful in a variety of potential application fields such as optoelectronics, photovoltaics and electrochemistry by serving as an ultralight, flexible and transparent electrode material.

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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