Microfluidic electrochemical growth of vertically aligned TiO2 nanotubes for SERS optofluidic devices

RSC Advances ◽  
2015 ◽  
Vol 5 (127) ◽  
pp. 105484-105488 ◽  
Author(s):  
Andrea Lamberti ◽  
Alessandro Virga ◽  
Fabrizio Giorgis

The growth of a TiO2 nanotubes (NTs) array into a microfluidic electrochemical reactor is here demonstrated.

2008 ◽  
Vol 112 (38) ◽  
pp. 14786-14795 ◽  
Author(s):  
Guohua Zhao ◽  
Yanzhu Lei ◽  
Yonggang Zhang ◽  
Hongxu Li ◽  
Meichuan Liu

2019 ◽  
Vol 162 ◽  
pp. 82-87 ◽  
Author(s):  
Jesús Caro-Gutiérrez ◽  
Oscar M. Peréz-Landeros ◽  
Félix F. González-Navarro ◽  
Mario A. Curiel-Álvarez ◽  
Benjamín Valdez-Salas ◽  
...  

Small ◽  
2011 ◽  
Vol 7 (17) ◽  
pp. 2405-2405 ◽  
Author(s):  
Vardan Galstyan ◽  
Alberto Vomiero ◽  
Isabella Concina ◽  
Antonio Braga ◽  
Mariangela Brisotto ◽  
...  

2012 ◽  
Vol 2012 ◽  
pp. 1-14 ◽  
Author(s):  
A. Peić ◽  
T. Dimopoulos ◽  
R. Resel ◽  
S. Abermann ◽  
M. Postl ◽  
...  

We present a single step and an electrochemical synthesis of vertically aligned ZnO nanorod (NR) arrays, directly on transparent aluminium-doped zinc oxide (AZO) electrodes. The NRs grow from mild, aqueous-based solution at low temperature, with no need for catalysts or additional seed layer. The use of textured AZO as substrate allows for highly effective growth of hexagonally faceted, single-crystalline ZnO NRs along the wurtzitec-axis. The matching of the crystal lattices initiates a self-seeding route, thus the inherent growth habit of the AZO crystallites advances the vertical growth and alignment of NRs. Moreover, the thickness-dependant grain size of the AZO layer provides a valuable feature for tuning the diameter of ZnO NRs grown atop. In the absence of any seed mediator, the interfacial quality is expected to improve significantly. This should enhance the thermal and electrical transport throughout the whole nanostructured transparent electrode. The NR growth was investigated under systematic manipulation of the synthesis variables in order to optimize growth conditions for highly aligned, single-crystalline NRs with a large aspect ratio and a good optical quality. The structure and optical property of the AZO/ZnO NR ensembles were characterized by atomic force microscopy, scanning electron microscopy, X-ray diffraction, photoluminescence, and ultraviolet-visible transmission spectroscopy.


2016 ◽  
Vol 52 (95) ◽  
pp. 13807-13810 ◽  
Author(s):  
Soon Woo Kwon ◽  
Ming Ma ◽  
Myung Jin Jeong ◽  
Kan Zhang ◽  
Sung June Kim ◽  
...  

Herein, we designed vertically aligned TiO2 nanotube arrays, in which a very thin disordered overlayer approximately a few nm thick was formed via a room-temperature solution process.


2012 ◽  
Vol 189 (1) ◽  
pp. 93-100 ◽  
Author(s):  
P.A. Gross ◽  
S.N. Pronkin ◽  
T. Cottineau ◽  
N. Keller ◽  
V. Keller ◽  
...  

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