Plasmonic and non-plasmonic contributions on photocatalytic activity of Au-TiO2 thin film under mixed UV-visible light

被引：19
作者：
Veziroglu, Salih [1 ]
Ullrich, Marie [1 ]
Hussain, Majid [1 ]
Drewes, Jonas [1 ]
Shondo, Josiah [1 ]
Strunskus, Thomas [1 ]
Adam, Jost [2 ]
Faupel, Franz [1 ]
Aktas, Oral Cenk [1 ]
机构：
[1] Univ Kiel, Fac Engn, Inst Mat Sci, Chair Multicomponent Mat, Kaiserstr 2, D-24143 Kiel, Germany
[2] Univ Southern Denmark, Mads Clausen Inst, NanoSYD, Alsion 2, DK-6400 Sonderborg, Denmark
来源：
SURFACE & COATINGS TECHNOLOGY | 2020年 / 389卷
关键词：
Photocatalyst; TiO2; Au; Nanoparticles; Plasmonic; Photodeposition; GOLD NANOPARTICLES; TIO2; HYDROGEN; SOLAR; WATER; NANOSTRUCTURES; RESONANCE; OXIDATION; TITANIA; TRANSFORMATION;
D O I：
10.1016/j.surfcoat.2020.125613
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
A highly photocatalytic Au-TiO2 hybrid thin film was prepared by the photocatalytic deposition of Au nanoparticles (NPs) on reactive sputtered TiO2 thin film. By altering the ratio of the visible (Vis) and ultra-violet (UV) light (Vis/UV), we investigated plasmonic and non-plasmonic contributions of Au NPs to the overall photocatalytic activity. While, a gradual increase of Vis/UV (<= 0.24/1) led to a steady enhancement of the photocatalytic performance of Au-TiO2 hybrid structures, further increase in Vis/UV (>= 0.30/1) did not foster the enhancement further. At high Vis/UV, plasmon excited electrons seem to start promoting electron-hole recombination in TiO2, which significantly reduces the photocatalytic performance.
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页数：7
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共 52 条
  • [1] Wafer-scale two-dimensional Au-TiO2 bilayer films for photocatalytic degradation of Palmitic acid under UV and visible light illumination
    Akbari, Mohammad Karbalaei
    Hai, Zhenyin
    Wei, Zihan
    Hu, Jie
    Zhuiykov, Serge
    [J]. MATERIALS RESEARCH BULLETIN, 2017, 95 : 380 - 391
  • [2] Oxidation of CO on gold supported catalysts prepared by laser vaporization: Direct evidence of support contribution
    Arrii, S
    Morfin, F
    Renouprez, AJ
    Rousset, JL
    [J]. JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 2004, 126 (04) : 1199 - 1205
  • [3] A plasmonic photocatalyst consisting of sliver nanoparticles embedded in titanium dioxide
    Awazu, Koichi
    Fujimaki, Makoto
    Rockstuhl, Carsten
    Tominaga, Junji
    Murakami, Hirotaka
    Ohki, Yoshimichi
    Yoshida, Naoya
    Watanabe, Toshiya
    [J]. JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 2008, 130 (05) : 1676 - 1680
  • [4] A review on catalytic applications of Au/TiO2 nanoparticles in the removal of water pollutant
    Ayati, Ali
    Ahmadpour, Ali
    Bamoharram, Fatemeh F.
    Tanhaei, Bahareh
    Manttari, Mika
    Sillanpaa, Mika
    [J]. CHEMOSPHERE, 2014, 107 : 163 - 174
  • [5] Understanding the superior photocatalytic activity of noble metals modified titania under UV and visible light irradiation
    Bumajdad, Ali
    Madkour, Metwally
    [J]. PHYSICAL CHEMISTRY CHEMICAL PHYSICS, 2014, 16 (16) : 7146 - 7158
  • [6] Synergistic Effect of Double-Shelled and Sandwiched TiO2@Au@C Hollow Spheres with Enhanced Visible-Light-Driven Photocatalytic Activity
    Cai, Jiabai
    Wu, Xueqing
    Li, Shunxing
    Zheng, Fengying
    Zhu, Licong
    Lai, Zhanghua
    [J]. ACS APPLIED MATERIALS & INTERFACES, 2015, 7 (06) : 3764 - 3772
  • [7] Titanium dioxide nanomaterials: Synthesis, properties, modifications, and applications
    Chen, Xiaobo
    Mao, Samuel S.
    [J]. CHEMICAL REVIEWS, 2007, 107 (07) : 2891 - 2959
  • [8] ELECTROCHEMICAL PHOTOLYSIS OF WATER AT A SEMICONDUCTOR ELECTRODE
    FUJISHIMA, A
    HONDA, K
    [J]. NATURE, 1972, 238 (5358) : 37 - +
  • [9] Role of UV Plasmonics in the Photocatalytic Performance of TiO2 Decorated with Aluminum Nanoparticles
    Ghori, Muhammad Zubair
    Veziroglu, Salih
    Hinz, Alexander
    Shurtleff, Bill Brook
    Polonskyi, Oleksandr
    Strunskus, Thomas
    Adam, Jost
    Faupel, Franz
    Aktas, Oral Cenk
    [J]. ACS APPLIED NANO MATERIALS, 2018, 1 (08): : 3760 - 3764
  • [10] A comparative study of photocatalysis on highly active columnar TiO2 nanostructures in-air and in-solution
    Ghori, Muhammad Zubair
    Veziroglu, Salih
    Henkel, Bodo
    Vahl, Alexander
    Polonskyi, Oleksandr
    Strunskus, Thomas
    Faupel, Franz
    Aktas, Oral Cenk
    [J]. SOLAR ENERGY MATERIALS AND SOLAR CELLS, 2018, 178 : 170 - 178
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