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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
Source PublicationCARBON
ISSN0008-6223
Volume87Issue:6Pages:215-225
AbstractGraphene 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
Indexed BySCI
WOS IDWOS:000352332900020
Citation statistics
Cited Times:28[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.xjipc.cas.cn/handle/365002/4297
Collection环境科学与技术研究室
AffiliationChinese 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
Recommended Citation
GB/T 7714
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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