Red-shifting squaraine dyes in the near-infrared region using perimidine heterocycles: synthesis and optical properties

Shahir Sarasiya; Maged Henary

doi:10.1039/d6ra00833j

January 1, 2026RSC AdvancesOpen Access

Red-shifting squaraine dyes in the near-infrared region using perimidine heterocycles: synthesis and optical properties

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Key Points

This research aims to synthesize squaraine dyes that exhibit red-shifting in the near-infrared region and evaluate their optical properties.
Synthesis of squaraine dyes through chemical reactions involving perimidine heterocycles.
Characterization of optical properties including absorption spectra and molar absorptivity measurements.
Comparison of red-shifting behavior in newly synthesized dyes.
The synthesized squaraine dyes displayed significant red-shifting in their absorption spectra.
Dyes exhibited high molar absorptivity, enhancing their effectiveness as near-infrared probes.
Structural modifications using perimidine heterocycles were successful in tuning optical properties.

Implication

The study demonstrates the synthesis of red-shifting squaraine dyes, indicating their potential as effective near-infrared probes.

Abstract

Squaraine dyes are an important class of near-infrared (NIR) probes due to their strong absorption, high molar absorptivity, and structural tunability.

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Cite This Study

Sarasiya et al. (2026) studied this question.

synapsesocial.com/papers/69c37bf3b34aaaeb1a67ed83 https://doi.org/10.1039/d6ra00833j

View Full Paper

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Red-shifting squaraine dyes in the near-infrared region using perimidine heterocycles: synthesis and optical properties

Key Points

Implication

Abstract

Discussion

Cite This Study

Red-shifting squaraine dyes in the near-infrared region using perimidine heterocycles: synthesis and optical properties

Key Points

Implication

Abstract

Discussion

Cite This Study

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