Luminescence Thermometry on the Route of the Mobile‐Based Internet of Things (IoT): How Smart QR Codes Make It Real
Abstract Quick Response (QR) codes are a gateway to the Internet of things (IoT) due to the growing use of smartphones/mobile devices and its properties like fast and easy reading, capacity to store more information than that found in conventional codes, and versatility associated to the rapid and s...
| Main Authors: | , , , , , , , |
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| Format: | Article |
| Language: | English |
| Published: |
Wiley
2019-10-01
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| Series: | Advanced Science |
| Subjects: | |
| Online Access: | https://doi.org/10.1002/advs.201900950 |
| _version_ | 1819084525427228672 |
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| author | João F. C. B. Ramalho Sandra F. H. Correia Lianshe Fu Lara L. F. António Carlos D. S. Brites Paulo S. André Rute A. S. Ferreira Luís D. Carlos |
| author_facet | João F. C. B. Ramalho Sandra F. H. Correia Lianshe Fu Lara L. F. António Carlos D. S. Brites Paulo S. André Rute A. S. Ferreira Luís D. Carlos |
| author_sort | João F. C. B. Ramalho |
| collection | DOAJ |
| description | Abstract Quick Response (QR) codes are a gateway to the Internet of things (IoT) due to the growing use of smartphones/mobile devices and its properties like fast and easy reading, capacity to store more information than that found in conventional codes, and versatility associated to the rapid and simplified access to information. Challenges encompass the enhancement of storage capacity limits and the evolution to a smart label for mobile devices decryption applications. Organic–inorganic hybrids with europium (Eu3+) and terbium (Tb3+) ions are processed as luminescent QR codes that are able to simultaneously double the storage capacity and sense temperature in real time using a photo taken with the charge‐coupled device of a smartphone. The methodology based on the intensity of the red and green pixels of the photo yields a maximum relative sensitivity and minimum temperature uncertainty of the QR code sensor (293 K) of 5.14% · K−1 and 0.194 K, respectively. As an added benefit, the intriguing performance results from energy transfer involving the thermal coupling between the Tb3+‐excited level (5D4) and the low‐lying triplet states of organic ligands, being the first example of an intramolecular primary thermometer. A mobile app is developed to materialize the concept of temperature reading through luminescent QR codes. |
| first_indexed | 2024-12-21T20:49:51Z |
| format | Article |
| id | doaj.art-762db7a254ed401594a9eda7792990d5 |
| institution | Directory Open Access Journal |
| issn | 2198-3844 |
| language | English |
| last_indexed | 2024-12-21T20:49:51Z |
| publishDate | 2019-10-01 |
| publisher | Wiley |
| record_format | Article |
| series | Advanced Science |
| spelling | doaj.art-762db7a254ed401594a9eda7792990d52022-12-21T18:50:44ZengWileyAdvanced Science2198-38442019-10-01619n/an/a10.1002/advs.201900950Luminescence Thermometry on the Route of the Mobile‐Based Internet of Things (IoT): How Smart QR Codes Make It RealJoão F. C. B. Ramalho0Sandra F. H. Correia1Lianshe Fu2Lara L. F. António3Carlos D. S. Brites4Paulo S. André5Rute A. S. Ferreira6Luís D. Carlos7Department of Physics and CICECO – Aveiro Institute of Materials University of Aveiro 3810‐193 Aveiro PortugalDepartment of Physics and CICECO – Aveiro Institute of Materials University of Aveiro 3810‐193 Aveiro PortugalDepartment of Physics and CICECO – Aveiro Institute of Materials University of Aveiro 3810‐193 Aveiro PortugalDepartment of Physics and CICECO – Aveiro Institute of Materials University of Aveiro 3810‐193 Aveiro PortugalDepartment of Physics and CICECO – Aveiro Institute of Materials University of Aveiro 3810‐193 Aveiro PortugalDepartment of Electronics, Telecommunications and Informatics Instituto de Telecomunicações University of Aveiro 3810‐193 Aveiro PortugalDepartment of Physics and CICECO – Aveiro Institute of Materials University of Aveiro 3810‐193 Aveiro PortugalDepartment of Physics and CICECO – Aveiro Institute of Materials University of Aveiro 3810‐193 Aveiro PortugalAbstract Quick Response (QR) codes are a gateway to the Internet of things (IoT) due to the growing use of smartphones/mobile devices and its properties like fast and easy reading, capacity to store more information than that found in conventional codes, and versatility associated to the rapid and simplified access to information. Challenges encompass the enhancement of storage capacity limits and the evolution to a smart label for mobile devices decryption applications. Organic–inorganic hybrids with europium (Eu3+) and terbium (Tb3+) ions are processed as luminescent QR codes that are able to simultaneously double the storage capacity and sense temperature in real time using a photo taken with the charge‐coupled device of a smartphone. The methodology based on the intensity of the red and green pixels of the photo yields a maximum relative sensitivity and minimum temperature uncertainty of the QR code sensor (293 K) of 5.14% · K−1 and 0.194 K, respectively. As an added benefit, the intriguing performance results from energy transfer involving the thermal coupling between the Tb3+‐excited level (5D4) and the low‐lying triplet states of organic ligands, being the first example of an intramolecular primary thermometer. A mobile app is developed to materialize the concept of temperature reading through luminescent QR codes.https://doi.org/10.1002/advs.201900950color multiplexinglanthanide ionsmobile appsmolecular thermometryorganic–inorganic hybridsQuick Response (QR) codes |
| spellingShingle | João F. C. B. Ramalho Sandra F. H. Correia Lianshe Fu Lara L. F. António Carlos D. S. Brites Paulo S. André Rute A. S. Ferreira Luís D. Carlos Luminescence Thermometry on the Route of the Mobile‐Based Internet of Things (IoT): How Smart QR Codes Make It Real Advanced Science color multiplexing lanthanide ions mobile apps molecular thermometry organic–inorganic hybrids Quick Response (QR) codes |
| title | Luminescence Thermometry on the Route of the Mobile‐Based Internet of Things (IoT): How Smart QR Codes Make It Real |
| title_full | Luminescence Thermometry on the Route of the Mobile‐Based Internet of Things (IoT): How Smart QR Codes Make It Real |
| title_fullStr | Luminescence Thermometry on the Route of the Mobile‐Based Internet of Things (IoT): How Smart QR Codes Make It Real |
| title_full_unstemmed | Luminescence Thermometry on the Route of the Mobile‐Based Internet of Things (IoT): How Smart QR Codes Make It Real |
| title_short | Luminescence Thermometry on the Route of the Mobile‐Based Internet of Things (IoT): How Smart QR Codes Make It Real |
| title_sort | luminescence thermometry on the route of the mobile based internet of things iot how smart qr codes make it real |
| topic | color multiplexing lanthanide ions mobile apps molecular thermometry organic–inorganic hybrids Quick Response (QR) codes |
| url | https://doi.org/10.1002/advs.201900950 |
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