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Title: Disposable Heater Arrays Using Printed Silver Patterns on Polyethylene Terephthalate for Multipurpose Applications
Authors: Walia, Sunil
Gupta, Ritu
Kulkarni, G. U.
Keywords: Energy & Fuels
Ag pattern
combinatorial chemistry
conductive materials
thermal library
Transparent Film Heaters
Tin Oxide Nanoparticles
Plastic Electronics
Flexible Heaters
Issue Date: 2015
Publisher: Wiley-V C H Verlag Gmbh
Citation: Energy Technology
Walia, S.; Gupta, R.; Kulkarni, G. U., Disposable Heater Arrays Using Printed Silver Patterns on Polyethylene Terephthalate for Multipurpose Applications. Energy Technology 2015, 3 (4), 359-365.
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 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 approximate to 135 degrees 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 (approximate to 1.5V) without any interference from neighboring heaters of the array, thus resulting in a thermal library. A laptop USB with 5.1V output is able to power the thermal library for temperatures in the range of 30-60 degrees 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.
Description: Restricted access
ISSN: 2194-4288
Appears in Collections:Research Articles (Kulkarni, G. U.)

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