Tapered Mach-Zehnder interferometer based on PbS quantum dots modified by polymers for copper ion sensing

Yuyang Yan; Meiduan Fan; Shuang Zhou; Xiaolan Sun; Longfei Ma; Ruoyu Li; Alan R. Kost

doi:10.1364/AO.425453

Tapered Mach-Zehnder interferometer based on PbS quantum dots modified by polymers for copper ion sensing

Yuyang Yan
, Meiduan Fan
, Shuang Zhou
, Xiaolan Sun
, Longfei Ma
, Ruoyu Li
, Alan R. Kost

Optical Sciences

Research output: Contribution to journal › Article › peer-review

7 Scopus citations

Abstract

An optical fiber interferometer coated with PbS quantum dots (QDs) was developed for copper ion (Cu2+) detection. The QDs were modified by a multifunctional copolymer that enabled QD surface ligation, dispersion, and coordination withCu2+.Cu2+ coordination with the polymer induced changes in the surrounding refractive index of the interferometer. The sensor was highly selective for Cu2+ and showed a linear detection range of 0-1000 μM with a limit of detection of 2.20μ Min both aqueous and biological solutions.

Original language	English (US)
Pages (from-to)	4807-4813
Number of pages	7
Journal	Applied optics
Volume	60
Issue number	16
DOIs	https://doi.org/10.1364/AO.425453
State	Published - Jun 1 2021

ASJC Scopus subject areas

Atomic and Molecular Physics, and Optics
Engineering (miscellaneous)
Electrical and Electronic Engineering

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10.1364/AO.425453

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title = "Tapered Mach-Zehnder interferometer based on PbS quantum dots modified by polymers for copper ion sensing",

abstract = "An optical fiber interferometer coated with PbS quantum dots (QDs) was developed for copper ion (Cu2+) detection. The QDs were modified by a multifunctional copolymer that enabled QD surface ligation, dispersion, and coordination withCu2+.Cu2+ coordination with the polymer induced changes in the surrounding refractive index of the interferometer. The sensor was highly selective for Cu2+ and showed a linear detection range of 0-1000 μM with a limit of detection of 2.20μ Min both aqueous and biological solutions.",

author = "Yuyang Yan and Meiduan Fan and Shuang Zhou and Xiaolan Sun and Longfei Ma and Ruoyu Li and Kost, \{Alan R.\}",

note = "Publisher Copyright: {\textcopyright} 2021 Optical Society of America.",

year = "2021",

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T1 - Tapered Mach-Zehnder interferometer based on PbS quantum dots modified by polymers for copper ion sensing

AU - Yan, Yuyang

AU - Fan, Meiduan

AU - Zhou, Shuang

AU - Sun, Xiaolan

AU - Ma, Longfei

AU - Li, Ruoyu

AU - Kost, Alan R.

PY - 2021/6/1

Y1 - 2021/6/1

N2 - An optical fiber interferometer coated with PbS quantum dots (QDs) was developed for copper ion (Cu2+) detection. The QDs were modified by a multifunctional copolymer that enabled QD surface ligation, dispersion, and coordination withCu2+.Cu2+ coordination with the polymer induced changes in the surrounding refractive index of the interferometer. The sensor was highly selective for Cu2+ and showed a linear detection range of 0-1000 μM with a limit of detection of 2.20μ Min both aqueous and biological solutions.

AB - An optical fiber interferometer coated with PbS quantum dots (QDs) was developed for copper ion (Cu2+) detection. The QDs were modified by a multifunctional copolymer that enabled QD surface ligation, dispersion, and coordination withCu2+.Cu2+ coordination with the polymer induced changes in the surrounding refractive index of the interferometer. The sensor was highly selective for Cu2+ and showed a linear detection range of 0-1000 μM with a limit of detection of 2.20μ Min both aqueous and biological solutions.

UR - https://www.scopus.com/pages/publications/85106917127

UR - https://www.scopus.com/pages/publications/85106917127#tab=citedBy

U2 - 10.1364/AO.425453

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JO - Applied optics

JF - Applied optics

IS - 16

ER -

Tapered Mach-Zehnder interferometer based on PbS quantum dots modified by polymers for copper ion sensing

Abstract

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