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Efficient spin-doublet near-infrared emission beyond 800 nm via intramolecular charge transfer in a quasi-planar donor-acceptor structure.

PubMed

Authors: Xiang L, Yu S, Ji X, Chen Y, Yan Y, Feng J, Yu YJ, Zhang H, Zhang M, Li F

Year

2026

Paper ID

35623

Status

Peer-reviewed

Abstract Read

~2 min

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Abstract

Donor-acceptor type near-infrared luminescent radicals were synthesized in high yields an iodinated building block. The rigid, quasi-planar configuration promotes the formation of an intramolecular charge-transfer excited state with non-bonding characteristics. This ultimately leads to efficient deep-NIR emission beyond 800 nm, realizing a photoluminescence quantum efficiency as high as 21%.

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Donor-acceptor type near-infrared luminescent radicals were synthesized in high yields an iodinated building block.

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References & Citation Signals

[1] DOI https://doi.org/10.1039/d6cc00448b [2] Publisher https://pubmed.ncbi.nlm.nih.gov/41778836/

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