Journal
ADVANCED OPTICAL MATERIALS
Volume 9, Issue 23, Pages -Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/adom.202100327
Keywords
fluorenone; molecular crystals; nonlinear optics; polymorphism
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Funding
- Netherlands Organization for Scientific Research (NWO)
- China Scholarship Council
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Fluorenone molecular materials with unique optical properties and structure are promising for photonic and optoelectronic applications. Researchers are exploring ways to optimize their properties for applications such as SHG and THz generation. Research efforts are focused on expanding the potential of these materials in various fields.
Fluorenone molecular materials provide an excellent platform to engineer new materials that are very promising for photonic and optoelectronic applications, such as very efficient optical second harmonic (SHG) and terahertz (THz) generation, light emitting diodes, biomarkers, solar cells, and sensors. More recently, there have been a lot of research efforts dedicated towards the nonlinear optical (NLO) properties of these fluorenone materials because of their unique combination of chemical, structural, and optical properties. This review addresses the state of the art of this very interesting and potent class of molecular materials. In particular, the NLO susceptibilities, their potential for optical SHG and THz generation and their two-photon luminescence properties and how to optimize these by rational design are reviewed. Flexibility and easiness of modification of their molecular properties combined with their structural polymorphism enable a variety of applications. Perspectives and future research directions for these fluorenone materials are also presented.
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