Anisotropic mesoporous germanium nanostructures by fast bipolar electrochemical etching

A Dupuy, MR Aziziyan, D Machon, R Arès… - Electrochimica Acta, 2021 - Elsevier
… However, the lack of flexibility and knowledge concerning its electrochemical etching
bipolar electrochemical etching (FBEE). The influence of the total porosification time, the etching

Wafer-Scale Porous Germanium Bilayer Structure Formation by Fast Bipolar Electrochemical Etching

L Mouchel, B Ilahi, J Cho, K Dessein, A Boucherif - Thin Solid Films, 2024 - Elsevier
… Thermal annealing of mesoporous Ge samples was performed in a forming gas (N 2 :H 2
90:10) using a tubular furnace (Carbolite Gero Limited, UK) with a ramp rate of 25Cs −1 . …

The effect of passivation to etching duration ratio on bipolar electrochemical etching of porous layer stacks in germanium

W Schreiber, T Liu, S Janz - Journal of Physics and Chemistry of Solids, 2023 - Elsevier
… to etching duration ratio on the bipolar electrochemical etching of highly p-doped germanium
Mesoporous germanium morphology transformation for lift-off process and substrate re-use …

Integration of 3D nanographene into mesoporous germanium

S Sauze, MR Aziziyan, P Brault, G Kolhatkar… - Nanoscale, 2020 - pubs.rsc.org
… Our strategy is a two-step process using bipolar electrochemical etching of germanium
wafers, followed by Chemical Vapor Infiltration (CVI) of acetylene, under atmospheric pressure. …

Achieving porous germanium from both p-and n-type epitaxial Ge-on-Si via bipolar potentiostatic etching

Y Zhu, Y Zhang, B Li, GM Xia, RT Wen - Electrochimica Acta, 2023 - Elsevier
… porous Ge formation. In this paper, we show that by using bipolar potentiostatic etching,
porous … of p-type Ge-on-Si, mesoporous Ge layer can be achieved. With the increase of doping …

Germanium surface wet-etch-reconditioning for porous lift-off and substrate reuse

A Chapotot, B Ilahi, J Arias-Zapata, T Hanuš… - Materials Science in …, 2023 - Elsevier
… Reducing both the cost and weight of Germanium (Ge)-based devices is a key concern in …
off, based on a mesoporous Ge layer (PGe), shaped by bipolar electrochemical etching (BEE), …

Performance of III–V solar cells grown on reformed mesoporous Ge templates

A Cavalli, N Alkurd, S Johnston… - IEEE Journal of …, 2021 - ieeexplore.ieee.org
mesopores in (100) Ge by bipolar electrochemical etching and … of electrochemically etched
mesoporous germanium layers in … et al., “Mesoporous germanium by high frequency bipolar

Potential monitoring during Ge electrochemical etching: Towards tunable double porosity layers

T Hanuš, L Mouchel, B Ilahi, A Dupuy, J Cho… - Electrochimica …, 2024 - Elsevier
… Porous Germanium (PGe) has emerged as a promising material for applications such as
substrate … The bipolar electrochemical etching (BEE) method is widely regarded as the go-to …

Large‐Scale Formation of Uniform Porous Ge Nanostructures with Tunable Physical Properties

T Hanuš, J Arias‐Zapata, B Ilahi… - Advanced Materials …, 2023 - Wiley Online Library
Bipolar electrochemical etching (BEE) is a widely used solution … , the electrochemical
porosification of germanium (Ge) … PGe structure is formed by interconnected mesopores, …

Monolithic integration of mesoporous germanium: A step toward high-performance on-chip anode

A Dupuy, A Roland, MR Aziziyan, S Sauze… - Materials Today …, 2021 - Elsevier
… into the electrochemical cell, to serve as the working electrode. Etching was carried out in …
with fast asymmetric pulses and under bipolar electrochemical etching regime [46]. The current …