How do Photovoltaics Work?

http://science.nasa.gov/headlines/y2002/solarcells.htm

Photovoltaics is the direct conversion of light into electricity at the atomic level. Some materials exhibit a property known as the photoelectric effect that causes them to absorb photons of light and release electrons. When these free electrons are captured, an electric current results that can be used as electricity.

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Date Of Record Release	2009-05-02 18:26:39
Description	Photovoltaics is the direct conversion of light into electricity at the atomic level. Some materials exhibit a property known as the photoelectric effect that causes them to absorb photons of light and release electrons. When these free electrons are captured, an electric current results that can be used as electricity.
Classification	Energy -- Energy Sources - Solar Energy -- Energy Sources - Solar -- Research Energy -- Products and Resources -- Solar Energy -- Renewable Energy Sources
Resource Type	Guide/Report/Fact sheet
Format	Text
Subject	Solar energy Photovoltaic power systems Photovoltaic cells Photovoltaic power generation Solar energy--Research Solar cells
Source	Science@NASA
Keyword	PV, Photovoltaics, Solar electricity, Photoelectric, Photons
Date Of Record Creation	2009-05-02 18:15:47
Education Level	College Technician/Professional/Faculty College (13 - 14) College (15 - 16)
Date Last Modified	2010-06-25 16:06:21
Language	English

Date Record Checked: 2009-05-02 00:00:00 (W3C-DTF)

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