An interfacial strain promoted azide-alkyne cycloaddition (I-SPACC) is introduced as a method to prepare robust nanomaterial hybrids. This is demonstrated with a reaction between a novel dibenzocyclooctyne-modified single walled carbon nanotubes (DBCO-SWCNT) and a versatile water-soluble azide modified gold nanoparticle (N3-EG4-AuNP).

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Emissive BF2 complexes of 3-cyanoformazanates produced using CuAAC chemistry are described. Highlights include ferrocene-substituted derivatives with ‘turn-on’ fluorescence upon oxidation and a water soluble derivative with application as a cell-imaging agent.

The synthesis, characterization, and ring-opening methathesis polymerization (ROMP) of a novel norbornene-based boron difluoride (BF2) formazante monomer are described in detail. The polymerization studies confirmed ROMP to occur in the presence of BF2 formazanates, and also demonstrated the controlled nature of the polymerization. The polymers retained many of the unique characteristics of the monomers in dichloromethane, including absorption and emission at maximum wavelengths of 518 and 645 nm, large Stoke's shifts (ST = 127 nm, 3,800 cm 1 ), and the ability to act as electron reservoirs to form borataverdazyl-based poly(radical anions) (Ered1 = 0.95 V). Furthermore, the results described in this paper demonstrate the potential of these and related polymers based on BF2 formazanates as redox-active, light-harvesting materials.

Synthesis and photophysical characterization of (co)polymers containing an asymmetrically substituted BF2complex of a 3-cyanoformazanate ligand are reported.