Atomic force and scanning near-field optical microscopy study of carbocyanine dye J-aggregates

被引：1

作者：

Petrova M.G. ^{[1
]}

Prokhorov V.V. ^{[2
]}

Pozin S.I. ^{[2
]}

Kovaleva N.N. ^{[1
,3
]}

Demikhov E.I. ^{[1
]}

机构：

[1] Lebedev Physical Institute, Russian Academy of Sciences, Moscow

[2] Frumkin Institute of Physical Chemistry and Electrochemistry, Russian Academy of Sciences, Moscow

[3] Institute of Physics, Academy of Sciences of the Czech Republic, Prague

来源：

Bulletin of the Russian Academy of Sciences: Physics | 2014年 / 78卷 / 12期

关键词：

Optical data storage - Mica - Aggregates - Substrates - Near field scanning optical microscopy;

D O I：

10.3103/S1062873814120375

中图分类号：

学科分类号：

摘要：

Atomic force microscopy (AFM) and scanning near-field optical microscopy (SNOM) imaging of fibrillar J-aggregates of carbocyanine dye 3,3′-bis(γ-sulfopropyl)-5,5′,6,6′-tetrachloro-1,1′-dioctylbenzimidacarbocyanine (C8S3) is performed on mica and glass substrates at room temperature. High resolution AFM imaging reveal that thick fibrils consist of narrow sub-fibrils. A model of an elementary fibril with a cross section 3 × 4 nm2 in size is proposed. The SNOM measurements made in the contact mode indicate the high mechanical strength of the fibrillar J-aggregates. © 2014, Allerton Press, Inc.

引用

页码：1362 / 1366

页数：4

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