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Publication Title | Separation and Quantum Tunneling of Photo- generated Carriers Using a Tribo-Induced Field Boosting

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Search Completed | Title | Separation and Quantum Tunneling of Photo- generated Carriers Using a Tribo-Induced Field Boosting
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Article
Separation and Quantum Tunneling of Photo- generated Carriers Using a Tribo-Induced Field
Boosting the photovoltaic power output is the key to large-scale implementation of solar cell technologies for renewable energy applications. Traditional solar energy harvesting is limited by the costly fabrication of p-n junctions, the duration of sunlight irradiation, and theoretical output limit. In this work, Liu et al. demonstrate that the photovoltaic power output can be dramatically enhanced by mechanical friction between a metal and a semiconductor, leading to the development of a new power generation approach called tribo-photovoltaic generator. It enables highly efficient solar-mechanical energy co-harvesting in the daytime as well as mechanical energy at night. The tribo-photovoltaic effect may be utilized for co-harvesting of solar and mechanical energy in various scenarios such as ocean tidal energy harvesters, wind turbines, and aerospace energy collectors.
Jun Liu, Yaqian Zhang, James Chen, ..., Ke Feng, Jingli Luo, Thomas Thundat
luoj@ualberta.ca (J.L.) tgthunda@bufffalo.edu (T.T.)
HIGHLIGHTS
The tribo-photovoltaic synergetic effect is demonstrated
The lifetime of photo-/friction- generated electron-hole pairs is enhanced
The photocurrent output is amplified by $50 times by friction- induced E
The triboelectric power output is enhanced by $28 times under irradiation
Liu et al., Matter 1, 650–660
September 4, 2019 a 2019 Elsevier Inc. https://doi.org/10.1016/j.matt.2019.05.017

Image | Separation and Quantum Tunneling of Photo- generated Carriers Using a Tribo-Induced Field Boosting



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