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Acc Chem Res. 2005 Jun;38(6):449-59.

Chemistry of squaraine-derived materials: near-IR dyes, low band gap systems, and cation sensors.

Author information

1
Photosciences and Photonics Division, Regional Research Laboratory, CSIR, Trivandrum, 695019, India. aajayaghosh@rediffmail.com

Abstract

Squaraines belong to an important class of organic dyes with intense absorption and emission properties in the visible to near-IR wavelength range. The optical properties of squaraines, which are sensitive to the surrounding medium, make them ideal candidates to photophysists to study the excited-state properties and to material chemists for designing a variety of materials that are useful for wide-ranging applications. The present Account pertains to the recent developments in the materials chemistry of squaraines, highlighting our contributions to the study of squaraine-based near-IR dyes, low band gap polymers, and cation sensors.

PMID:
15966711
DOI:
10.1021/ar0401000

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