Hidden talents: Converting heat into electricity with pencil and paper

Pencil, paper and co-polymer varnish are sufficient for a thermoelectrical device. Credit: HZB

Tiny effect

Scanning electron micrsocopy of pencil traces. Credit: HZB

HB pencil and co-polymer varnish

Sketch of the experiment. Credit: HZB

Outlook: Flexible Components printed right on paper

Reference