Sensors and Actuators, A: Physical, volume 347, pages 113977
An inkjet-printable fluorescent thermal sensor based on CdSe/ZnS quantum dots immobilised in a silicone matrix
Publication type: Journal Article
Publication date: 2022-11-01
Journal:
Sensors and Actuators, A: Physical
Quartile SCImago
Q1
Quartile WOS
Q1
Impact factor: 4.6
ISSN: 09244247
Metals and Alloys
Surfaces, Coatings and Films
Electronic, Optical and Magnetic Materials
Condensed Matter Physics
Electrical and Electronic Engineering
Instrumentation
Abstract
The drive towards device miniaturisation in fields such as microfluidics or microelectronics has established a need for non-intrusive, in situ temperature sensing, which is difficult to implement and manufacture in devices. Inkjet printing is a non-contact, maskless deposition method which is compatible with a wide range of materials and may enable the economical design and production of such devices. However, current inkjet-printed thermal sensors are predominantly based on resistance across printed circuits and do not meet the requirements for miniaturised devices. In this paper, an inkjet-printable material for luminescence-based temperature sensing is presented. Two-part reactive inks are developed using CdSe/ZnS quantum dots immobilised in an addition cure silicone matrix. Further platinum catalyst is added to resolve issues with catalyst poisoning by labile QD ligands, with the effect of catalyst loading on the degree of conversion and QD emission probed using Raman microscopy and well-plate reading, respectively. A mechanism for platinum-induced quenching is proposed. The inkjet printing of a bulk QD-silicone composite is successfully demonstrated for the first time, enabling a new route for devices with embedded luminescence thermometry. Confocal laser scanning microscopy is used to characterise the temperature response of the material, demonstrating sensing with a thermal coefficient of emission intensity of − 0.68 to − 0.93 % °C −1 between 30 and 60 °C. We anticipate that this material has application for in situ thermal analysis and calibration within the fields of microfluidics. • Fluorescent CdSe/ZnS quantum dots/silicone composite inks are formulated for RIP • A thermal coefficient of emission intensity of − 0.68 to − 0.93 % °C −1 between 30 and 60 °C is observed. • RIP is demonstrated with an average drop diameter of 37.5 µm.
Top-30
Citations by journals
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ACS Omega
1 publication, 20%
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IEEE Sensors Journal
1 publication, 20%
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Polymer Science - Series C
1 publication, 20%
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Nanomaterials
1 publication, 20%
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Russian Chemical Reviews
1 publication, 20%
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Citations by publishers
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American Chemical Society (ACS)
1 publication, 20%
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IEEE
1 publication, 20%
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Pleiades Publishing
1 publication, 20%
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Multidisciplinary Digital Publishing Institute (MDPI)
1 publication, 20%
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Autonomous Non-profit Organization Editorial Board of the journal Uspekhi Khimii
1 publication, 20%
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Birchall L. et al. An inkjet-printable fluorescent thermal sensor based on CdSe/ZnS quantum dots immobilised in a silicone matrix // Sensors and Actuators, A: Physical. 2022. Vol. 347. p. 113977.
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Birchall L., Foerster A., Rance G. A., Terry A., Wildman R., Tuck C. J. An inkjet-printable fluorescent thermal sensor based on CdSe/ZnS quantum dots immobilised in a silicone matrix // Sensors and Actuators, A: Physical. 2022. Vol. 347. p. 113977.
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TY - JOUR
DO - 10.1016/j.sna.2022.113977
UR - https://doi.org/10.1016/j.sna.2022.113977
TI - An inkjet-printable fluorescent thermal sensor based on CdSe/ZnS quantum dots immobilised in a silicone matrix
T2 - Sensors and Actuators, A: Physical
AU - Birchall, L.
AU - Foerster, Aleksandra
AU - Rance, G A
AU - Terry, A.
AU - Wildman, R.D
AU - Tuck, C J
PY - 2022
DA - 2022/11/01 00:00:00
PB - Elsevier
SP - 113977
VL - 347
SN - 0924-4247
ER -
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@article{2022_Birchall,
author = {L. Birchall and Aleksandra Foerster and G A Rance and A. Terry and R.D Wildman and C J Tuck},
title = {An inkjet-printable fluorescent thermal sensor based on CdSe/ZnS quantum dots immobilised in a silicone matrix},
journal = {Sensors and Actuators, A: Physical},
year = {2022},
volume = {347},
publisher = {Elsevier},
month = {nov},
url = {https://doi.org/10.1016/j.sna.2022.113977},
pages = {113977},
doi = {10.1016/j.sna.2022.113977}
}
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