Thermoelectric NaCo O /TiO coaxial nanofibers are prepared and distributed in the perovskite solar cells. Under illumination, p-type NaCo O can convert unwanted heat to thermal voltage, and thus promote the electron extraction and transport with the action of electrostatic force. These advantages collectively contribute to an overall power conversion efficiency improvement of ≈20% (15.14% vs 12.65%).
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| http://dx.doi.org/10.1002/smll.201601616 | DOI Listing |
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