Accurate Quantitative Sensing of Intracellular pH based on Self-ratiometric Upconversion Luminescent Nanoprobe

	Accurate Quantitative Sensing of Intracellular pH based on Self-ratiometric Upconversion Luminescent Nanoprobe
	Li, C. X.; J. Zuo; L. Zhang; Y. L. Chang; Y. L. Zhang; L. P. Tu; X. M. Liu; B. Xue; Q. Q. Li; H. Y. Zhao; H. Zhang and X. G. Kong
	2016
发表期刊	Scientific Reports
卷号	6
摘要	In this study, we investigated influence of sequential heat treatment on the structural, morphological and optical properties of Cu2ZnSn(S,Se)(4) (CZTSSe) thin films. Specifically, after preparation of sputtered Cu, ZnS, and Sn stacked layers, CZTSSe thin films were synthesized by sequential heat treatment (sulfurization follow by selenization). Analyses of the processed films show that non-uniform selenium distribution through the depth of the films can be obtained by introducing a controlled amount of selenium in the second heat treatment step. The top region of the film becomes selenium rich, while the bottom region is selenium poor. This structure has higher absorption coefficients than the uniform ones. In addition, the uneven composition distribution may lead to a bandgap gradient in the film, which can reduce the photocurrent loss. Finally, numerical modeling corroborates the potential of selenium gradient films for high efficiency CZTSSe solar cells. (C) 2016 Published by Elsevier Ltd.
文章类型	期刊
收录类别	SCI
语种	英语
文献类型	期刊论文
条目标识符	http://ir.ciomp.ac.cn/handle/181722/57007
专题	中科院长春光机所知识产出
推荐引用方式 GB/T 7714	Li, C. X.,J. Zuo,L. Zhang,et al. Accurate Quantitative Sensing of Intracellular pH based on Self-ratiometric Upconversion Luminescent Nanoprobe[J]. Scientific Reports,2016,6.
APA	Li, C. X..,J. Zuo.,L. Zhang.,Y. L. Chang.,Y. L. Zhang.,...&H. Zhang and X. G. Kong.(2016).Accurate Quantitative Sensing of Intracellular pH based on Self-ratiometric Upconversion Luminescent Nanoprobe.Scientific Reports,6.
MLA	Li, C. X.,et al."Accurate Quantitative Sensing of Intracellular pH based on Self-ratiometric Upconversion Luminescent Nanoprobe".Scientific Reports 6(2016).

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