Journal
PHYSICAL CHEMISTRY CHEMICAL PHYSICS
Volume 17, Issue 12, Pages 8239-8247Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c5cp00193e
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Funding
- Spain (MINECO) [MAT2010-20646-C04-01, MAT2010-20646-C04-02, MAT2010-20646-C04-04]
- Mexico (DAIP)
- CONACyT [123732I]
- MINECO for a predoctoral FPI grant
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Linking amino and hydroxycoumarins to BODIPYs through the amino or hydroxyl group lets the easy construction of unprecedented photostable coumarin-BODIPY hybrids with broadened and enhanced absorption in the UV spectral region, and outstanding wavelength-tunable laser action within the green-to-red spectral region (similar to 520-680 nm). These laser dyes allow the generation of a valuable tunable UV (similar to 260-350 nm) laser source by frequency doubling, which is essential to study accurately the photochemistry of biological molecules under solar irradiation. The tunability is achieved by selecting the substitution pattern of the hybrid. Key factors are the linking heteroatom (nitrogen vs. oxygen), the number of coumarin units joined to the BODIPY framework and the involved linking positions.
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