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Organic Microcrystal Vibronic Lasers with Full‐Spectrum Tunable Output beyond the Franck‐Condon Principle

The very broad emission bands of organic semiconductor materials are, in theory, suitable for achieving versatile solid state lasers; however, most of organic materials only lase at short wavelength corresponding to the 0−1 transition governed by the Franck‐Condon (FC) principle. Here we develop a strategy to overcome the limit of FC principle for tailoring the output of microlasers over a wide range based on the controlled vibronic emission of organic materials at microcrystal state. For the first time, the output wavelength of organic lasers is tailored across all vibronic (0−1, 0−2, 0−3, and even 0−4) bands spanning the entire emission spectrum.

Autoren:   Yong Sheng Zhao, Haiyun Dong, Chunhuan Zhang, Yuan Liu, Yongli Yan, Fengqin Hu
Journal:   Angewandte Chemie International Edition
Jahrgang:   2018
Seiten:   n/a
DOI:   10.1002/anie.201712524
Erscheinungsdatum:   17.01.2018
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