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Tunable Plasmon Resonances in Two‐Dimensional Molybdenum Oxide Nanoflakes
Author(s) -
Alsaif Manal M. Y. A.,
Latham Kay,
Field Matthew R.,
Yao David D.,
Medehkar Nikhil V.,
Beane Gary A.,
Kaner Richard B.,
Russo Salvy P.,
Ou Jian Zhen,
Kalantarzadeh Kourosh
Publication year - 2014
Publication title -
advanced materials
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 10.707
H-Index - 527
eISSN - 1521-4095
pISSN - 0935-9648
DOI - 10.1002/adma.201306097
Subject(s) - materials science , plasmon , doping , molybdenum , surface plasmon resonance , optoelectronics , molybdenum oxide , oxide , localized surface plasmon , surface plasmon , nanotechnology , nanoparticle , metallurgy
Tunable plasmon resonances in suspended 2D molybdenum oxide flakes are demonstrated. The 2D configuration generates a large depolarization factor and the presence of ultra‐doping produces visible‐light plasmon resonances. The ultra‐doping process is conducted by reducing the semiconducting 2D MoO 3 flakes using simulated solar irradiation. The generated plasmon resonances can be controlled by the doping levels and the flakes’ lateral dimensions, as well as by exposure to a model protein.

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