scholarly journals Efficient Si Nanowire Array Transfer via Bi-Layer Structure Formation Through Metal-Assisted Chemical Etching

2013 ◽  
Vol 24 (13) ◽  
pp. 1949-1955 ◽  
Author(s):  
Taeho Moon ◽  
Lin Chen ◽  
Shinhyun Choi ◽  
Chunjoong Kim ◽  
Wei Lu
Keyword(s):  
Structure Formation ◽  
Chemical Etching ◽  
Layer Structure ◽  
Nanowire Array ◽  
Si Nanowire ◽  
Si Nanowire Array ◽  
Metal Assisted Chemical Etching

scholarly journals Reusable Surface-Enhanced Raman Spectroscopy Substrates Made of Silicon Nanowire Array Coated with Silver Nanoparticles Fabricated by Metal-Assisted Chemical Etching and Photonic Reduction

Nanomaterials ◽  
2019 ◽  
Vol 9 (11) ◽  
pp. 1531 ◽  
Author(s):  
Shi Bai ◽  
Yongjun Du ◽  
Chunyan Wang ◽  
Jian Wu ◽  
Koji Sugioka
Keyword(s):  
Silver Nanoparticles ◽  
Chemical Etching ◽  
Silicon Nanowire ◽  
Nanowire Array ◽  
Surface Enhanced Raman Spectroscopy ◽  
Sers Substrate ◽  
Silicon Nanowire Array ◽  
Surface Enhanced ◽  
Surface Enhanced Raman ◽  
Metal Assisted Chemical Etching

Surface-enhanced Raman spectroscopy (SERS) has advanced over the last four decades and has become an attractive tool for highly sensitive analysis in fields such as medicine and environmental monitoring. Recently, there has been an urgent demand for reusable and long-lived SERS substrates as a means of reducing the costs associated with this technique To this end, we fabricated a SERS substrate comprising a silicon nanowire array coated with silver nanoparticles, using metal-assisted chemical etching followed by photonic reduction. The morphology and growth mechanism of the SERS substrate were carefully examined and the performance of the fabricated SERS substrate was tested using rhodamine 6G and dopamine hydrochloride. The data show that this new substrate provides an enhancement factor of nearly 1 × 108. This work demonstrates that a silicon nanowire array coated with silver nanoparticles is sensitive and sufficiently robust to allow repeated reuse. These results suggest that this newly developed technique could allow SERS to be used in many commercial applications.

Influence of Chemical Modification on the Electrical Properties of Si Nanowire Arrays

2010 ◽  
Vol 160-162 ◽  
pp. 1331-1335 ◽  
Author(s):  
Chuan Bo Li ◽  
Kristel Fobelets ◽  
S.N. Syed Jalal ◽  
Wei A. Ng ◽  
Zahid A.K. Durrani
Keyword(s):  
Electrical Conductivity ◽  
Electrical Property ◽  
Electrical Properties ◽  
Chemical Modification ◽  
Nanowire Array ◽  
Noise Measurement ◽  
Nanowire Arrays ◽  
Interface Traps ◽  
Si Nanowire ◽  
Si Nanowire Array

The influence of the chemical modification on the electrical property of Si nanowire array was studied. It is found that H-terminated Si nanowire has a better electrical conductivity while OH-passivation could increase their resistance. It is believed that the introducing of OH group on the surface nanowire increases the interface traps and it is confirmed by our 1/f noise measurement.

scholarly journals Electrical responses of dengue virus (DENV) using poly-Si nanowire array biosensor

2018 ◽  
Author(s):  
M. Nuzaihan M. N. ◽  
M. I. Mazlan ◽  
M. N. F. Zulkiffli ◽  
S. M. Hazri ◽  
M. F. M. Fathil ◽  
...  
Keyword(s):  
Dengue Virus ◽  
Nanowire Array ◽  
Si Nanowire ◽  
Array Biosensor ◽  
Si Nanowire Array ◽  
Electrical Responses

Construction of MoS2/Si nanowire array heterojunction for ultrahigh-sensitivity gas sensor

2017 ◽  
Vol 28 (43) ◽  
pp. 435503 ◽  
Author(s):  
Di Wu ◽  
Zhenhua Lou ◽  
Yuange Wang ◽  
Tingting Xu ◽  
Zhifeng Shi ◽  
...  
Keyword(s):  
Gas Sensor ◽  
Nanowire Array ◽  
Si Nanowire ◽  
Si Nanowire Array ◽  
Ultrahigh Sensitivity

Metal-Assisted Chemical Etching Using Silica Nanoparticle for the Fabrication of a Silicon Nanowire Array

2012 ◽  
Vol 51 (2) ◽  
pp. 02BP09 ◽  
Author(s):  
Shinya Kato ◽  
Yuya Watanabe ◽  
Yasuyoshi Kurokawa ◽  
Akira Yamada ◽  
Yoshimi Ohta ◽  
...  
Keyword(s):  
Chemical Etching ◽  
Silicon Nanowire ◽  
Nanowire Array ◽  
Silica Nanoparticle ◽  
Silicon Nanowire Array ◽  
Metal Assisted Chemical Etching

Reusable and long-life 3D Ag nanoparticles coated Si nanowire array as sensitive SERS substrate

2019 ◽  
Vol 494 ◽  
pp. 583-590 ◽  
Author(s):  
Jian Wu ◽  
Yongjun Du ◽  
Chunyan Wang ◽  
Shi Bai ◽  
Tian Zhang ◽  
...  
Keyword(s):  
Ag Nanoparticles ◽  
Nanowire Array ◽  
Sers Substrate ◽  
Si Nanowire ◽  
Si Nanowire Array ◽  
Long Life

Silicon nanowires-based fluorescent sensor for in situ detection of hydrogen sulfide in extracellular environment

RSC Advances ◽  
2015 ◽  
Vol 5 (81) ◽  
pp. 65905-65908 ◽  
Author(s):  
Huimin Wang ◽  
Lixuan Mu ◽  
Guangwei She ◽  
Wensheng Shi
Keyword(s):  
Hydrogen Sulfide ◽  
Silicon Nanowires ◽  
Fluorescent Sensor ◽  
Nanowire Array ◽  
Live Cells ◽  
Si Nanowire ◽  
Si Nanowire Array ◽  
In Situ Detection ◽  
Extracellular Environment

Based on a Si nanowire array, a fluorescent sensor for H2S was realized and successfully used for real time and in situ imaging of the changes in extracellular H2S of live cells.

scholarly journals Cyclic Voltammetry Peaks Due to Deep Level Traps in Si Nanowire Array Electrodes

2018 ◽  
Vol 17 (1) ◽  
pp. 154-160 ◽  
Author(s):  
Abdurrahman Shougee ◽  
Foivia Konstantinou ◽  
Tim Albrecht ◽  
Kristel Fobelets
Keyword(s):  
Cyclic Voltammetry ◽  
Deep Level ◽  
Nanowire Array ◽  
Si Nanowire ◽  
Si Nanowire Array
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