Thermal Characteristics of High-Efficiency Photovoltaic Converters of High-Power Laser Light


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The influence exerted by the heat removal conditions on the extent of overheating of photovoltaic converters of high-power (>103 W/cm2) laser light has been studied. The temperature of the p–n junction of photovoltaic cells was measured by recording the instantaneous values of the open-circuit voltage generated by laser light. The effect of cooling in high-efficiency photovoltaic cells (efficiency = 55%) via removal of a substantial part of absorbed optical power by the photocurrent into the external load was demonstrated. It was shown that, at laser radiation power of 2.5 W, the overheating of a photocell with an area of 1.7 × 10–3 cm2 relative to the copper heatsink temperature is 48°C in the no-load conditions and 30°C in operation with the optimal load.

作者简介

V. Andreev

Ioffe Institute

Email: chekalin@mail.ioffe.ru
俄罗斯联邦, St. Petersburg, 194021

N. Davidyuk

St. Petersburg National Research Academic University

Email: chekalin@mail.ioffe.ru
俄罗斯联邦, St. Petersburg, 194021

D. Malevskii

Ioffe Institute

Email: chekalin@mail.ioffe.ru
俄罗斯联邦, St. Petersburg, 194021

P. Pokrovskii

Ioffe Institute

Email: chekalin@mail.ioffe.ru
俄罗斯联邦, St. Petersburg, 194021

N. Sadchikov

Ioffe Institute

Email: chekalin@mail.ioffe.ru
俄罗斯联邦, St. Petersburg, 194021

A. Chekalin

Ioffe Institute

编辑信件的主要联系方式.
Email: chekalin@mail.ioffe.ru
俄罗斯联邦, St. Petersburg, 194021

A. Andreeva

Ioffe Institute

Email: chekalin@mail.ioffe.ru
俄罗斯联邦, St. Petersburg, 194021

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