Efficient photocatalytic oxidative deamination of imine and amine to aldehyde over nitrogen-doped KTi3NbO9under purple light

KTi(3)NbO(9)nanoparticles were fabricatedviaa simple hydrothermal method with a post-calcination treatment. The nitrogen doping (N-KTi3NbO9) leads to a narrow band gap, which in turn facilitates efficiently catalysis of imine deamination under purple light that matches its absorption spectra. Furthermore, N-KTi(3)NbO(9)exhibits excellent performance in the tandem reaction of photocatalytic imine formation and deamination from various amines. The conversion of benzylamine was up to 100% with >85% benzaldehyde selectivity.