Optical fiber ammonia sensor based on porous Yb3+/Er3+ co-doped NaYF4/phenol red composites-Reference-Cited by-同舟云学术

Optical fiber ammonia sensor based on porous Yb³⁺/Er³⁺ co-doped NaYF₄/phenol red composites

Published:2022-01-17 Issue:6 Volume:77 Page:527-531
ISSN:0932-0784
Container-title:Zeitschrift für Naturforschung A
language:en
Short-container-title:

Author:

Li Bangxing¹²³⁴,Zhang Xianming²,Wu Hualin¹,Zhao Ying¹,Leng Xuefeng¹,Jin Ye¹,Huang Xinyue¹

Affiliation:

1. College of Science, Chongqing University of Technology , Chongqing 400054 , China

2. Engineering Research Center for Waste Oil Recovery Technology and Equipment , Ministry of Education, Chongqing Technology and Business University , Chongqing 400067 , China

3. Department of Applied Physics, Chongqing Key Laboratory of Soft Condensed Matter Physics and Smart Materials, State Key Laboratory of Power Transmission Equipment & System Security and New Technology , Chongqing University , Chongqing 400044 , China

4. Chongqing Key Laboratory of Green Energy Materials Technology and Systems , Chongqing 400054 , China

Abstract

Abstract In this paper, the optical fiber ammonia sensor based on porous Yb3+/Er3+ co-doped NaYF4 up-conversion material/phenol red composites and optical fiber with end plane fusion sphere was proposed. Phenol red and Yb3+/Er3+ co-doped NaYF4 were mixed thoroughly and fixed stably in the polyvinylidene fluoride (PVDF) matrix. The optical fiber with end plane fusion sphere was inserted into the sensitive composite material to form ammonia sensitive probe. The ammonia concentration will affect the intensity of absorption of up-conversion luminescence located at 545 nm by phenol red because of the reaction between ammonia and phenol red. The detected intensity of up-conversion luminescence near 545 nm decreases with the increasing ammonia concentration. The signal wavelength will not be affected by the background visible light due to the 980 nm wavelength of excitation is far from the signal wavelength. The response time and recover time also were measured and discussed.

Funder

National Natural Science Foundation of China

Chongqing Municipal Education Commission

Chongqing Science and Technology Commission

Publisher

Walter de Gruyter GmbH

Subject

Physical and Theoretical Chemistry,General Physics and Astronomy,Mathematical Physics

Link

https://www.degruyter.com/document/doi/10.1515/zna-2021-0334/pdf

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