GaAs Wurtzite Nanowires for Hybrid Piezoelectric Solar Cells


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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.

Sobre autores

P. Alekseev

Ioffe Institute

Autor responsável pela correspondência
Email: npoxep@gmail.com
Rússia, St. Petersburg

V. Sharov

Ioffe Institute

Email: npoxep@gmail.com
Rússia, St. Petersburg

P. Geydt

Lappeenranta University of Technology

Email: npoxep@gmail.com
Finlândia, Lappeenranta

M. Dunaevskiy

Ioffe Institute

Email: npoxep@gmail.com
Rússia, St. Petersburg

I. Soshnikov

Ioffe Institute; Academic University; Institute of Analytical Instrumentation

Email: npoxep@gmail.com
Rússia, St. Petersburg; St. Petersburg; St. Petersburg

R. Reznik

Academic University; Institute of Analytical Instrumentation; ITMO University

Email: npoxep@gmail.com
Rússia, St. Petersburg; St. Petersburg; St. Petersburg

V. Lysak

Ioffe Institute; Academic University

Email: npoxep@gmail.com
Rússia, St. Petersburg; St. Petersburg

E. Lähderanta

Lappeenranta University of Technology

Email: npoxep@gmail.com
Finlândia, Lappeenranta

G. Cirlin

Academic University; Institute of Analytical Instrumentation; ITMO University

Email: npoxep@gmail.com
Rússia, St. Petersburg; St. Petersburg; St. Petersburg

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