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Nanoreactor-confined synthesis and separation of yellow-luminescent graphene quantum dots with a recyclable SBA-15 template and their application for Fe(III) sensing
Xu, HB (Xu, Hongbo); Zhou, SH (Zhou, Shenghai); Xiao, LL (Xiao, Lili); Li, SZ (Li, Shouzhu); Song, T (Song, Ting); Wang, Y (Wang, Yi); Yuan, QH (Yuan, Qunhui)
2015
发表期刊CARBON
ISSN0008-6223
卷号87期号:6页码:215-225
摘要Graphene quantum dots (GQDs) have inspired growing research efforts. Although continuous progresses have been achieved in the syntheses of diverse GQDs, it is still a challenge in size-controllable and high-yield preparation of well dispersed GQDs via simple routes. Herein, we present a top-down synthesis of GQDs by using a SBA-15 template as a nanoreactor via a HNO3 vapor cutting strategy. With the recyclable ordered mesoporous SBA-15 template and a silica grid, a high-yield (48%) preparation as well as a facile separation of yellow-luminescent GQDs have been achieved. The obtained GQDs containing abundant oxygen-containing groups (ca. 30% for oxygen content) showed a narrow size distribution (2.5-5.2 nm), good water solubility, good photostability and high selectivity for Fe(III) sensing in tap water with satisfying recovery. Further experiments indicated that Cu(II), Co(II), Mn(II), Ni(II) could also quench the fluorescence of the as-prepared GQD after its surface states being adjusted, which might presage more possible applications of this material.
DOI10.1016/j.carbon.2015.02.036
收录类别SCI
WOS记录号WOS:000352332900020
引用统计
被引频次:24[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.xjipc.cas.cn/handle/365002/4297
专题环境科学与技术研究室
作者单位Chinese Acad Sci, Xinjiang Tech Inst Phys & Chem, Lab Environm Sci & Technol, Key Lab Funct Mat & Devices Special Environm, Urumqi 830011, Peoples R China;Univ Chinese Acad Sci, Beijing 100049, Peoples R China
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Xu, HB ,Zhou, SH ,Xiao, LL ,et al. Nanoreactor-confined synthesis and separation of yellow-luminescent graphene quantum dots with a recyclable SBA-15 template and their application for Fe(III) sensing[J]. CARBON,2015,87(6):215-225.
APA Xu, HB .,Zhou, SH .,Xiao, LL .,Li, SZ .,Song, T .,...&Yuan, QH .(2015).Nanoreactor-confined synthesis and separation of yellow-luminescent graphene quantum dots with a recyclable SBA-15 template and their application for Fe(III) sensing.CARBON,87(6),215-225.
MLA Xu, HB ,et al."Nanoreactor-confined synthesis and separation of yellow-luminescent graphene quantum dots with a recyclable SBA-15 template and their application for Fe(III) sensing".CARBON 87.6(2015):215-225.
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