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Thesis defence by Clément LAUSECKER

Published on April 13, 2021
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PhD Defense June 22, 2021
9 a.m. - Amphi M001, ground floor, building M
Phelma Minatec
Grenoble INP - Phelma
3 parvis Louis Néel - 38000 Grenoble
Accès : TRAM B arrêt Cité internationale
Free entrance - No registration

Chemical synthesis and integration of ZnO nanowires for the development of piezoelectric nanogenerators

Clément LAUSECKER

Clément LAUSECKER


Keywords
ZnO nanowires, chemical bath deposition, piezoelectric nanogenerators, gold seed layer, morphological control, compensatory doping, lithography


cliquer pour voir la liste des membres du jury/clic here for the jury members
 


Abstract


By converting the energy carried by ambient mechanical vibrations into an electrical signal, piezoelectric nanogenerators arouse a particular interest for the supply of small-scale devices, where a great miniaturization capacity and a high autonomy are typically required. The development of efficient nanogenerators from abundant and non-toxic materials and through low-cost processes remains however a major technological challenge. In this context, the use of zinc oxide (ZnO) in the form of cylindrical nanometric structures (nanowires) is extremely promising. Therefore, this thesis endeavors to elaborate such zinc oxide structures, where several complementary strategies are developed to precisely control their morphological and electrical properties, which form essential steps to obtain piezoelectric nanogenerators with high performances.

Membres du jury/ Jury members :
 

Prof.

S. Basrour

TIMA, CNRS, UGA, Grenoble (France)

Examiner

Prof.

G. Brémond

INL, CNRS, INSA de Lyon, Villeurbanne (France)

Rapporteur

Dr.

G. Poulin-Vittrant

GREMAN, CNRS, Univ. de Tours, Tours (France)

Rapporteur

Prof.

Y. Leprince-Wang

ESYCOM, CNRS, Univ. Gustave-Eiffel, Marne-la-Vallée (France)

Examiner

Prof.

S. Parola

Laboratoire de Chimie, CNRS, ENS de Lyon, Lyon (France)

Examiner

Dr.

B. Salem

LTM, CNRS, Grenoble INP Minatec, Grenoble (France)

Thesis Director

Dr.

V. Consonni

LMGP, CNRS, Grenoble INP Minatec, Grenoble (France)

Thesis Co-director

Dr.

X. Baillin

CEA-Grenoble, LETI, Grenoble (France)

Thesis Co-supervisor


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Date of update June 23, 2021

Université Grenoble Alpes