Walia, Sunil ; Gupta, Ritu ; Kulkarni, Giridhar U. (2015) Disposable heater arrays using printed silver patterns on polyethylene terephthalate for multipurpose applications Energy Technology, 3 (4). pp. 359-365. ISSN 2194-4288
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Official URL: http://onlinelibrary.wiley.com/doi/10.1002/ente.20...
Related URL: http://dx.doi.org/10.1002/ente.201402204
Abstract
Flexible, semitransparent and robust heating arrays have been designed by grayscale printing as ready-to-use devices for point-of-care application. A perforated Ag mesh is first fabricated with tunable features by controllably varying the toner grayscale value during laser printer on PET. The resistance could be varied between 1 to 2 Ω by tuning the Ag fill factor from 50 to 70 %. The Ag/PET heater based on joule heating is able to attain highly stable temperatures upto ∼135 °C maintained over long hours. Since temperature is directly related to resistance, this provides a fine temperature knob without any cumbersome processing steps. The merit of design allows individual heating elements to attain stable temperatures at low voltages (∼1.5 V) without any interference from neighboring heaters of the array, thus resulting in a thermal library. A laptop USB with 5.1 V output is able to power the thermal library for temperatures in the range of 30–60 °C, useful in many practical applications. It is a multipurpose disposable chip for in-situ transmission microscopy that can be utilized for bioassay and point-of-care diagnostics, as demonstrated in the study.
Item Type: | Article |
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Source: | Copyright of this article belongs to John Wiley & Sons, Inc. |
ID Code: | 102585 |
Deposited On: | 04 Mar 2017 14:25 |
Last Modified: | 04 Mar 2017 14:25 |
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