Journal of the Ceramic Society of Japan
Online ISSN : 1348-6535
Print ISSN : 1882-0743
ISSN-L : 1348-6535
Feature: The 57th Symposium on Basic Science of Ceramics: Technical report
Photoluminescence and afterglow in samarium-doped zirconia toward biological temperature sensor
Satoshi GOTOYoshihiro TAKAHASHINobuaki TERAKADOYasushi NAKAJIMANoriko ONOUETsuyoshi SHINOZAKITakumi FUJIWARA
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2019 Volume 127 Issue 10 Pages 696-699

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Abstract

This study describes the investigation of photoluminescence (PL) and afterglow properties of samarium ion (Sm3+)-doped zirconia and the comparison with those of pure zirconia. The pure sample exhibits bluish PL and afterglow upon excitation by ultraviolet light, whereas white-to-reddish PL and white afterglow are detected by means of visual observation and spectroscopic measurement in the doped samples. It is therefore suggested that the Sm3+-doped zirconia is applicable to a temperature-sensing probe for the human body because it shows afterglow PL in the near-infrared “biological window” region.

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© 2019 The Ceramic Society of Japan
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