Grafting of terbium(iii) complexes onto layered rare-earth hydroxide nanosheets to fabricate novel optical fiber temperature sensors

Optical sensors of temperature possess the unique advantages of contactless measurement and large-scale imaging. Developments have been rapidly made in optical fiber sensors due to their high sensitivity, short response time, and electromagnetic immunity, and being easy to handle and light weight. T...

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Bibliographic Details
Published in:Nanoscale 2019-02, Vol.11 (6), p.2795-2804
Main Authors: Zhu, Qi, Li, Siyuan, Wang, Qi, Qi, Yang, Li, Xiaodong, Sun, Xudong, Li, Ji-Guang
Format: Article
Language:English
Subjects:
Grafting
Hydroxides
Immunity
Nanosheets
Nanostructure
Optical fibers
Optical measuring instruments
Rare earth elements
Response time
Sensors
Temperature
Temperature dependence
Temperature sensors
Terbium
Thick films
Weight reduction
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Summary:Optical sensors of temperature possess the unique advantages of contactless measurement and large-scale imaging. Developments have been rapidly made in optical fiber sensors due to their high sensitivity, short response time, and electromagnetic immunity, and being easy to handle and light weight. Therefore, novel optical sensors of temperature based on optical fibers were fabricated to explore their application in special environments, such as poisonous, sparkless, currentless, and gelid ones. The present study is the first report of successful intercalation of neutral Y(iii) complexes in situ into the gallery of Y/Eu binary layered rare-earth hydroxides by hydrothermal processing without replacing the nitrate ions. The swollen layered rare-earth hydroxides were then exfoliated into ultrathin nanosheets ∼2 nm thick through dispersion in formamide. Grafting of Tb(iii) complexes onto the exfoliated nanosheets yielded novel temperature sensor films
ISSN:2040-3364
2040-3372
DOI:10.1039/c8nr08900k