Solar energy from spinach and toothpaste: fabrication of a solar cell in schools

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Published under licence by IOP Publishing Ltd
, , Citation F Siemsen et al 1998 Eur. J. Phys. 19 51 DOI 10.1088/0143-0807/19/1/008

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1 Institut für Didaktik der Physik, Universität Frankfurt/M., Gräfstr. 39, D-60486 Frankfurt, Germany

Dates

  1. Received 15 July 1997

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0143-0807/19/1/51

Abstract

We will show how pupils can make a solar cell with spinach, toothpaste and a few other items found in any school laboratory. This device is called a Graetzel cell, and could trigger off a revolution in photovoltaic technology.

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