Improved Refractive‐Index Sensitivity of Silver‐Nanocube Monolayers on Silicon Films | Zendy

Bottomley Adam | Zendy; Ianoul Anatoli | Zendy

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Improved Refractive‐Index Sensitivity of Silver‐Nanocube Monolayers on Silicon Films

Author(s) -

Bottomley Adam,

Ianoul Anatoli

Publication year - 2011

Publication title -

chemphyschem

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.016

H-Index - 140

eISSN - 1439-7641

pISSN - 1439-4235

DOI - 10.1002/cphc.201100626

Subject(s) - refractive index , monolayer , silicon , materials science , substrate (aquarium) , plasmon , high refractive index polymer , optoelectronics , thin film , optics , nanotechnology , oceanography , physics , geology

Suitable substrates: An improvement in the refractive‐index sensitivity is observed for the quadrupolar plasmonic mode of a monolayer of 60 nm silver nanocubes deposited on a thin silicon film. Dipolar plasmonic band splitting on this high‐refractive‐index substrate is stronger than on a glass substrate (see picture). As a result, the quadrupolar band is easier to identify, even in high‐refractive‐index liquids. The work demonstrates the importance of using high‐refractive‐index substrates.

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