# Power Electronic Handbook P18

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## Power Electronic Handbook P18

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The ability of certain materials to convert sunlight to electricity was ﬁrst discovered by Becquerel in 1839, when he discovered the photogalvanic effect. A number of other signiﬁcant discoveries ultimately paved the way for the fabrication of the ﬁrst solar cell in 1954 by Chapin, Fuller, and Pearson [1]. This cell had a conversion efﬁciency of 6%. Within 4 years, solar cells were used on the Vanguard I orbiting satellite. The high cost of boosting a payload into space readily justiﬁed the use of these cells, even though they were quite expensive. Space applications eventually led to...

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