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NIR J‑Aggregates of Hydroazaheptacene Tetraimides

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journal contribution
posted on 08.01.2014, 00:00 by Kang Cai, Jiajun Xie, Dahui Zhao
Hydroazaacene dicarboximide derivatives with red to NIR absorptions are designed and synthesized, which exhibit well-defined J-aggregation behaviors in both solution and thin films. The absorption and emission of an aggregate extend well into the NIR regime (λmax = 902 nm), manifesting particularly narrow bandwidth (fwhm = 152 cm–1) and is nearly transparent in the visible region.