"Физика и техника полупроводников"
Издателям
Вышедшие номера
GaAs wurtzite nanowires for hybrid piezoelectric solar cells
Переводная версия: 10.1134/S1063782618050020
Russian Foundation for Basic Research, mol_a_dk, 16-32-60147
I.P.S acknowledge Russian Foundation for Basic Research, a, 18-07-01364
Alekseev P.A. 1, Sharov V.A.1, Geydt P.2, Dunaevskiy M.S.1, Soshnikov I.P.1,3,4, Reznik R.R.3,4,5, Lysak V.V.1,3, Lahderanta E.5, Cirlin G.E.3,4,5
1Ioffe Institute, Russian Academy of Sciences, St. Petersburg, Russia
2Lappeenranta University of Technology, Lappeenranta, Finland
3St. Petersburg Academic University, Russian Academy of Sciences, St. Petersburg, Russia
4Institute for Analytical Instrumentation RAS, St. Petersburg, Russia
5ITMO University, Saint Petersburg, Russia
Email: npoxep@gmail.com
Выставление онлайн: 19 апреля 2018 г.

The properties of the hybrid energy sources "piezoelectric nanogenerator-solar cell" based on GaAs nanowires with the wurtzite crystal structure were investigated. Measurements were performed by the bending of the nanowire by the probe of the atomic force microscope with simultaneous recording of short circuit current in dark and illuminated conditions. We show that a piezoelectric current pulse of ~10 pA arises in the "nanowire-probe" circuit during the deformation of nanowire by the AFM probe. Under laser illumination, the value of the pulse increases by two orders of magnitude as a result of the piezophototronic effect. Deformation of the nanowire boosts the photocurrent by 40% up to 0.5 nA. Acknowledgment This work was supported by RFBR research project No 16-32-60147 mol_a_dk.

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