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Colloidal quantum-dot-based silica gel glass: two-photon absorption, emission, and quenching mechanism
Li, Jingzhou; Dong, Hongxing; Zhang, Saifeng; Ma, Yunfei; Wang, Jun; Zhang, Long; hongxingd@siom.ac.cn; lzhang@siom.ac.cn
2016
发表期刊Nanoscale
卷号8期号:36页码:16440
摘要Two-photon (TP) three-dimensional solid matrices have potential applications in high density optical data reading and storage, infrared-pumped visible displays, lasers, etc. Such technologies will benefit greatly from the advantageous properties of TP materials including tunable emission wavelength, photostability, and simple chemical processing. Here, this ideal TP solid is made possible by using a facile sol-gel process to engineer colloid quantum dots into silica gel glass. Characterization using an open-aperture Z-scan technique shows that the solid matrices exhibited significant TP optical properties with a TP absorption coefficient of (9.41 +/- 0.39) x 10(-2) cm GW(-1) and a third-order nonlinear figure of merit of (7.30 +/- 0.30) x 10(-14) esu cm. In addition, the dependence of the TP properties on high-temperature thermal treatment is studied in detail to obtain a clear insight for practical applications. The results illustrate that the sample can maintain stable TP performance below the synthesis temperature of the CdTe/CdS colloidal quantum dots. Furthermore, the mechanisms for thermal quenching of photoluminescence under different temperature regimes are clarified as a function of the composition.
文章类型Article
部门归属材料
DOI10.1039/c6nr03268k
资助者NSFC [61378074, 61475173, 61308034]; Shanghai Rising-star Program [14QA1404000]; Youth Innovation Promotion Association of Chinese Academy of Sciences; Shanghai Science and Technology Committee [14PJ1401200] ; NSFC [61378074, 61475173, 61308034]; Shanghai Rising-star Program [14QA1404000]; Youth Innovation Promotion Association of Chinese Academy of Sciences; Shanghai Science and Technology Committee [14PJ1401200] ; NSFC [61378074, 61475173, 61308034]; Shanghai Rising-star Program [14QA1404000]; Youth Innovation Promotion Association of Chinese Academy of Sciences; Shanghai Science and Technology Committee [14PJ1401200] ; NSFC [61378074, 61475173, 61308034]; Shanghai Rising-star Program [14QA1404000]; Youth Innovation Promotion Association of Chinese Academy of Sciences; Shanghai Science and Technology Committee [14PJ1401200]
收录类别SCI
资助者NSFC [61378074, 61475173, 61308034]; Shanghai Rising-star Program [14QA1404000]; Youth Innovation Promotion Association of Chinese Academy of Sciences; Shanghai Science and Technology Committee [14PJ1401200] ; NSFC [61378074, 61475173, 61308034]; Shanghai Rising-star Program [14QA1404000]; Youth Innovation Promotion Association of Chinese Academy of Sciences; Shanghai Science and Technology Committee [14PJ1401200] ; NSFC [61378074, 61475173, 61308034]; Shanghai Rising-star Program [14QA1404000]; Youth Innovation Promotion Association of Chinese Academy of Sciences; Shanghai Science and Technology Committee [14PJ1401200] ; NSFC [61378074, 61475173, 61308034]; Shanghai Rising-star Program [14QA1404000]; Youth Innovation Promotion Association of Chinese Academy of Sciences; Shanghai Science and Technology Committee [14PJ1401200]
WOS记录号WOS:000384531600039
引用统计
文献类型期刊论文
条目标识符http://ir.siom.ac.cn/handle/181231/28033
专题中科院强激光材料重点实验室
通讯作者hongxingd@siom.ac.cn; lzhang@siom.ac.cn
作者单位中国科学院上海光学精密机械研究所
推荐引用方式
GB/T 7714
Li, Jingzhou,Dong, Hongxing,Zhang, Saifeng,et al. Colloidal quantum-dot-based silica gel glass: two-photon absorption, emission, and quenching mechanism[J]. Nanoscale,2016,8(36):16440.
APA Li, Jingzhou.,Dong, Hongxing.,Zhang, Saifeng.,Ma, Yunfei.,Wang, Jun.,...&lzhang@siom.ac.cn.(2016).Colloidal quantum-dot-based silica gel glass: two-photon absorption, emission, and quenching mechanism.Nanoscale,8(36),16440.
MLA Li, Jingzhou,et al."Colloidal quantum-dot-based silica gel glass: two-photon absorption, emission, and quenching mechanism".Nanoscale 8.36(2016):16440.
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