ZnS-AgInS2 nanoparticles as a temperature sensor

被引：36

作者：

Matsuda, Yu ^{[1
]}

Torimoto, Tsukasa ^{[2
]}

Kameya, Tomohiro ^{[1
]}

Kameyama, Tatsuya ^{[2
]}

Kuwabata, Susumu ^{[3
]}

Yamaguchi, Hiroki ^{[1
]}

Niimi, Tomohide ^{[1
]}

机构：

[1] Nagoya Univ, Dept Micronano Syst Engn, Nagoya, Aichi 4648601, Japan

[2] Nagoya Univ, Dept Crystalline Mat Sci, Chikusa Ku, Nagoya, Aichi 4648601, Japan

[3] Osaka Univ, Dept Appl Chem, Suita, Osaka, Japan

来源：

SENSORS AND ACTUATORS B-CHEMICAL | 2013年 / 176卷

关键词：

Optical sensor; Luminescent semiconductor nanoparticles; Quantum dot; Temperature sensor; Thermal sensing; Temperature-sensitive paint; QUANTUM DOTS; PHOTOLUMINESCENCE; PROBES;

D O I：

10.1016/j.snb.2012.09.005

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

Luminescent semiconductor nanoparticles have been applied to temperature measurements, because their emission is intense and the emission wavelength can be adjusted by particle size. However, most of luminescent nanoparticles contain highly toxic elements such as Cd, Se, and Te. In this study, the temperature characteristics of a new low-toxic luminescent nanoparticles, ZnS-AgInS2 (ZAIS), have been investigated. The temperature sensitivity of luminescent intensity of ca. -1 %/K was comparable to other luminescent nanoparticles. The thermally induced red shift of ca. 0.1 nm/K was observed, which is similar to other nanoparticles. The measurement revealed that the oxygen sensitivity of ZAIS is negligibly small. It is also shown that ZAIS nanoparticles are photostable compared with CdSe/ZnS. As a result, ZAIS is one of the most preferable candidates to take the place of other toxic nanoparticles especially for bio-related experiments. (C) 2012 Elsevier B.V. All rights reserved.

引用

页码：505 / 508

页数：4

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