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Evaluating Tests of Cognition using a Computerized Touch-Sensitive Tablet, Eye Tracking, and Functional Magnetic Resonance Imaging

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Pencil-on-paper: electronic devices.

Narendra Kurra¹, Giridhar U Kulkarni

¹Chemistry & Physics of Materials Unit, Jawaharlal Nehru Centre for Advanced Scientific Research, Jakkur P.O., Bangalore 560 064, India.

|June 12, 2013

Summary

This summary is machine-generated.

Pencil drawings on paper offer a simple, solvent-free method for creating graphitic electronic circuits. This technique enables diverse applications, from sensors and microfluidics to energy storage and active electronic devices.

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Area of Science:

Materials Science
Electrical Engineering
Analytical Chemistry

Background:

Paper-based electronics are a rapidly developing field.
Pencil drawing provides a simple, solvent-free method for creating graphitic circuitry.
The use of pencil traces has gained significant interest in recent years.

Purpose of the Study:

To review recent advancements in paper-based electronics utilizing pencil drawings.
To highlight the versatility of pencil traces in various applications.
To explore the potential of pencil-on-paper for lab-on-paper applications.

Main Methods:

Literature review of studies employing pencil drawings for electronic applications.
Analysis of different device types realized using pencil traces.
Discussion of integration strategies for passive and active roles of pencil traces.

Main Results:

Pencil drawings have been successfully used to create sensors, microfluidic devices, energy storage systems, and microanalytical devices.
Active electronic components, including piezoelectric and chemiresistive devices, and field-effect transistors, have been fabricated using pencil traces.
Pencil-on-paper technology demonstrates potential for developing integrated lab-on-paper systems.

Conclusions:

Pencil drawing is a versatile and accessible technique for fabricating functional paper-based electronic devices.
The integration of passive and active functionalities via pencil traces paves the way for advanced lab-on-paper applications.
This approach offers a cost-effective and environmentally friendly route for developing novel electronic systems.