Abstract
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An ideal solar energy to electricity or fuel converter should work without the use of any external bias potential. An analysis of self-sufficiency when CaFe2O4 is used to absorb the sunlight is carried out based on the CaFe2O4 absorption coefficient. We started to obtain this coefficient theoretically within the experimental bandgap range in order to fix the interval of possible values of photocurrents, maximum absorption efficiencies, and photovoltages and thus that of self-sufficiency considering only the radiative processes. Also for single-gap CaFe2O4, we evaluate an alternative for increasing the photocurrent and maximum absorption efficiency based on inserting an intermediate band using high doping or alloying. | |
International
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Si |
JCR
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Si |
Title
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Journal of Applied Physics |
ISBN
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0021-8979 |
Impact factor JCR
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2,068 |
Impact info
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Volume
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122 |
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10.1063/1.4993537 |
Journal number
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13 |
From page
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133114-1 |
To page
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133114-7 |
Month
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SIN MES |
Ranking
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