Plasmonic hole ejection involved in plasmon-induced charge separation

2020 ◽  
Vol 5 (4) ◽  
pp. 597-606 ◽  
Author(s):  
Tetsu Tatsuma ◽  
Hiroyasu Nishi
Keyword(s):  
Charge Separation ◽  
Diffraction Limit ◽  
Plasmonic Nanoparticles ◽  
Photo Oxidation ◽  
Induced Charge ◽  
Site Selective

Hot hole ejection from the resonance sites of plasmonic nanoparticles on a semiconductor or an electrode enables oxidation at more positive potentials, output of higher voltage, and site-selective photo-oxidation beyond the diffraction limit.

scholarly journals Plasmon-induced charge separation: chemistry and wide applications

2017 ◽  
Vol 8 (5) ◽  
pp. 3325-3337 ◽  
Author(s):  
Tetsu Tatsuma ◽  
Hiroyasu Nishi ◽  
Takuya Ishida
Keyword(s):  
Charge Separation ◽  
Plasmonic Nanoparticles ◽  
Induced Charge

Electrons transfer from plasmonic nanoparticles to semiconductors by exploiting the energy of light, and this effect is applied to photovoltaics, photocatalysis, sensing, photochromisms, photoswitchable functionalities and nanofabrications.

Site-selective nanoscale-polymerization of pyrrole on gold nanoparticles via plasmon induced charge separation

Nanoscale ◽  
2016 ◽  
Vol 8 (16) ◽  
pp. 8520-8524 ◽  
Author(s):  
Y. Takahashi ◽  
Y. Furukawa ◽  
T. Ishida ◽  
S. Yamada
Keyword(s):  
Gold Nanoparticles ◽  
Charge Separation ◽  
Induced Charge ◽  
Site Selective

scholarly journals Controlling the oxidation state of molybdenum oxide nanoparticles prepared by ionic liquid/metal sputtering to enhance plasmon-induced charge separation

RSC Advances ◽  
2020 ◽  
Vol 10 (48) ◽  
pp. 28516-28522 ◽  
Author(s):  
Kazutaka Akiyoshi ◽  
Tatsuya Kameyama ◽  
Takahisa Yamamoto ◽  
Susumu Kuwabata ◽  
Tetsu Tatsuma ◽  
...  
Keyword(s):  
Ionic Liquid ◽  
Liquid Metal ◽  
Oxidation State ◽  
Molybdenum Oxide ◽  
Charge Separation ◽  
Room Temperature ◽  
Room Temperature Ionic Liquid ◽  
Oxide Nanoparticles ◽  
Induced Charge ◽  
Molybdenum Oxide Nanoparticles

MoOx NPs, prepared by sputtering Mo metal on a room-temperature ionic liquid (RTIL) followed by heating in air, produced anodic photocurrents with the excitation of their LSPR peak.

Hydrogen evolution from water based on plasmon-induced charge separation at a TiO2/Au/NiO/Pt system

2017 ◽  
Vol 19 (46) ◽  
pp. 31429-31435 ◽  
Author(s):  
Kun-Che Kao ◽  
Yoshinori Kuroiwa ◽  
Hiroyasu Nishi ◽  
Tetsu Tatsuma
Keyword(s):  
Hydrogen Evolution ◽  
Methanol Oxidation ◽  
Charge Separation ◽  
Au Nanoparticles ◽  
System P ◽  
Water Based ◽  
Induced Charge

Plasmonic Au nanoparticles inject electrons into TiO2 and reduce water to hydrogen at a Pt cathode. Positive charges left in the Au nanoparticles are extracted by NiO and used for methanol oxidation.

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