Tunable Plasmon Resonances in Two-Dimensional Molybdenum Oxide Nanoflakes

被引：386

作者：

Alsaif, Manal M. Y. A. ^{[1
]}

Latham, Kay ^{[2
]}

Field, Matthew R. ^{[3
]}

Yao, David D. ^{[1
]}

Medehkar, Nikhil V. ^{[4
]}

Beane, Gary A. ^{[5
,6
]}

Kaner, Richard B. ^{[7
]}

Russo, Salvy P. ^{[2
]}

Ou, Jian Zhen ^{[1
]}

Kalantar-zadeh, Kourosh ^{[1
]}

机构：

[1] RMIT Univ, Sch Elect & Comp Engn, Melbourne, Vic, Australia

[2] RMIT Univ, Sch Appl Sci, Melbourne, Vic, Australia

[3] RMIT Univ, RMIT Microscopy & Microanal Facil, Melbourne, Vic, Australia

[4] Monash Univ, Dept Mat Engn, Clayton, Vic 3168, Australia

[5] Univ Melbourne, Sch Chem, Parkville, Vic 3052, Australia

[6] Univ Melbourne, Inst Bio21, Parkville, Vic 3052, Australia

[7] Univ Calif Los Angeles, Dept Chem & Biochem, Los Angeles, CA 90024 USA

来源：

ADVANCED MATERIALS | 2014年 / 26卷 / 23期

关键词：

RAMAN-SPECTROSCOPY; THIN-FILMS; MOO3; REDUCTION; OXIDATION; TRANSITION; ADSORPTION; KINETICS; ALBUMIN; GOLD;

D O I：

10.1002/adma.201306097

中图分类号：

O6 [化学];

学科分类号：

070301 [无机化学];

摘要：

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 MoO3 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.

引用

页码：3931 / 3937

页数：7

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