scholarly journals Plasmonic-enhanced photocatalysis reactions using gold nanostructured films

RSC Advances ◽  
2020 ◽  
Vol 10 (38) ◽  
pp. 22324-22330 ◽  
Author(s):  
Mohammed A. Ibrahem ◽  
Bassam G. Rasheed ◽  
Rahman I. Mahdi ◽  
Taha M. Khazal ◽  
Maryam M. Omar ◽  
...  

This work shows the enhancement of the visible photocatalytic activity of TiO2 NPs film using the localized surface plasmonic resonance of Au nanostructures.

RSC Advances ◽  
2021 ◽  
Vol 11 (5) ◽  
pp. 2733-2743
Author(s):  
Parisa Talebi ◽  
Harishchandra Singh ◽  
Ekta Rani ◽  
Marko Huttula ◽  
Wei Cao

Surface plasmonic resonance enabled Ni@NiO/NiCO3 core–shell nanostructures as promising photocatalysts for hydrogen evolution under visible light.


2021 ◽  
Vol 2021 ◽  
pp. 1-9
Author(s):  
Pham Thi Thuy ◽  
Vo Cao Minh ◽  
Vo Quang Mai ◽  
Nguyen Tri Tuan ◽  
Pham Van Tuan ◽  
...  

In this work, we successfully fabricated homogeneous hydrothermal titanate nanotubes (TNTs) coated with Ag nanoparticles (NPs) and elucidated the role of Ag NPs on local surface plasmonic resonance, surface-enhanced Raman scattering, and the enhanced photocatalytic activity of TNT/Ag nanocomposite. The results showed that the photodegradation process reached equilibrium in just ~5 min for the TNT/Ag nanocomposite, which was much shorter than that of the TNT sample (~90 min). TEM micrographs showed that Ag NPs were well dispersed on the walls of the nanotubes. XRD patterns and Raman spectra indicated that the TNTs were in the monoclinic structure of H2Ti3O7. Furthermore, Raman active modes of the TNTs were significantly enhanced in the TNT/Ag sample, which was attributed to surface-enhanced Raman spectroscopy. The enhanced photocatalytic activity of the TNT/Ag sample was explained by UV-vis diffuse reflectance spectroscopy and photoluminescence emission spectroscopy, which showed local surface plasmonic resonance-induced visible light absorption enhancement and effective charge separation, respectively.


2015 ◽  
Vol 5 (5) ◽  
pp. 2522-2531 ◽  
Author(s):  
Maksudur R Khan ◽  
Tan Wooi Chuan ◽  
Abu Yousuf ◽  
M. N. K. Chowdhury ◽  
Chin Kui Cheng

The article reviews the mechanism, how Schottky barrier and the SPR phenomena help to improve a photoreaction, focusing on the paradox between the Schottky barrier and SPR in the matter of the way of electron flow in the metal/semiconductor system.


2015 ◽  
Vol 14 (6) ◽  
pp. 1110-1119 ◽  
Author(s):  
Karen Barrera-Mota ◽  
Monserrat Bizarro ◽  
Micaela Castellino ◽  
Alberto Tagliaferro ◽  
Aracely Hernández ◽  
...  

Bismuth oxide thin films were obtained by spray pyrolysis. The films were photocatalytically active under visible light, giving good degradation when incorporated into a solar reactor prototype.


2021 ◽  
Vol 6 (37) ◽  
pp. 9941-9950
Author(s):  
Ruixue Xue ◽  
Fangwai Wang ◽  
Yizhao Ge ◽  
Yujie Ma ◽  
Xiang He ◽  
...  

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