Publication | Closed Access
Synthesis of C<sub>70</sub>‐Based Fluorophores through Sequential Functionalization to Form Isomerically Pure Multiadducts
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Citations
37
References
2017
Year
Selective addition to the C<sub>70</sub> cage divides its π-conjugated system into various smaller π-conjugated systems with enhanced fluorescent properties. Key reactions include chlorination, methoxylation, ozonation, and Bingel or Bingel-Hirsch reactions. The maximum emission wavelength of the C<sub>70</sub> multiadducts ranges from 450 to 655 nm. Among the C<sub>70</sub> multiadducts, C<sub>70</sub> (OMe)<sub>8</sub> (C(COOEt)<sub>2</sub> )<sub>3</sub> showed the highest quantum yield (Φ<sub>F</sub> =0.18) and the largest Δ[λ<sub>max</sub> (emission)- λ<sub>max</sub> (absorption)] (402 nm), with maximum emission at 655 nm.
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