Silicon nanowire heterostructures for advanced energy and environmental applications: a review

R Ghosh, PK Giri - Nanotechnology, 2016 - iopscience.iop.org
Semiconductor nanowires (NWs), in particular Si NWs, have attracted much attention in the
last decade for their unique electronic properties and potential applications in several …

[HTML][HTML] Fabrication of piezoresistive Si nanorod-based pressure sensor arrays: A promising candidate for portable breath monitoring devices

R Ghosh, MS Song, JB Park, Y Tchoe, P Guha, W Lee… - Nano Energy, 2021 - Elsevier
This paper reports on the controlled fabrication of a highly sensitive piezoresistive sensor by
using Si nanorod (NR) arrays. An efficient, large-area, scalable strategy was adopted to …

[HTML][HTML] Elucidating the effect of etching time key-parameter toward optically and electrically-active silicon nanowires

M Naffeti, PA Postigo, R Chtourou, MA Zaïbi - Nanomaterials, 2020 - mdpi.com
In this work, vertically aligned silicon nanowires (SiNWs) with relatively high crystallinity
have been fabricated through a facile, reliable, and cost-effective metal assisted chemical …

Target delivery of photo-triggered nanocarrier for externally activated chemo-photodynamic therapy of prostate cancer

S Ghosh, AR Gul, P Xu, SY Lee, R Rafique… - Materials Today …, 2022 - Elsevier
Objective therapeutics such as photodynamic therapy (PDT) play an imperative role where
targeted delivery of nanotherapeutics could achieve the highest level of therapeutic …

Lithography‐Free Method to Synthesize Quasiperiodic Silicon Inverted‐Pyramid Arrays: A Broadband Light Trapper for High‐Efficiency Thin Silicon Solar Cells

A Kumar, D Rani, A Saini, N Joshi, RK Varma… - Solar …, 2024 - Wiley Online Library
Thin silicon solar cells can be a low‐cost effective photo‐conversion device, if the device
can efficiently absorb the solar spectrum. Herein, a new lithography‐free technique is …

Multifunctional Ag nanoparticle decorated Si nanowires for sensing, photocatalysis and light emission applications

R Ghosh, J Ghosh, R Das, LPL Mawlong… - Journal of colloid and …, 2018 - Elsevier
We report on the fabrication of Ag nanoparticle (NP) decorated mesoporous Si nanowire
(NW) heterostructure (HS) by a simple and low cost chemical process. The as-grown Si NWs …

Minimizing isolate catalyst motion in metal-assisted chemical etching for deep trenching of silicon nanohole array

L Kong, Y Zhao, B Dasgupta, Y Ren… - … applied materials & …, 2017 - ACS Publications
The instability of isolate catalysts during metal-assisted chemical etching is a major
hindrance to achieve high aspect ratio structures in the vertical and directional etching of …

Mesoporous Si nanowire templated controlled fabrication of organometal halide perovskite nanoparticles with high photoluminescence quantum yield for light-emitting …

J Ghosh, R Ghosh, PK Giri - ACS Applied Nano Materials, 2018 - ACS Publications
We report on the controlled fabrication of CH3NH3PbI3 perovskite nanoparticles (NPs) on a
mesoporous Silicon nanowire (NW) template for the first time and study the mechanism of its …

On the “possible” synergism of the different phases of TiO2 in photo-catalysis for hydrogen production

AK Wahab, S Ould-Chikh, K Meyer, H Idriss - Journal of Catalysis, 2017 - Elsevier
The effect of TiO 2 phase composition on the photocatalytic hydrogen production of
water/ethanol (95/5 volume ratio) has been studied in order to understand the structural …

Effect of Ag/Au bilayer assisted etching on the strongly enhanced photoluminescence and visible light photocatalysis by Si nanowire arrays

R Ghosh, K Imakita, M Fujii, PK Giri - Physical Chemistry Chemical …, 2016 - pubs.rsc.org
We report on the strongly enhanced photoluminescence (PL) and visible light photocatalysis
by arrays of vertically aligned single crystalline Si nanowires (NWs) grown by Ag/Au bilayer …