Push-Pull N,N-Diphenylhydrazones Bearing Bithiophene or Thienothiophene Spacers as Nonlinear Optical Second Harmonic Generators and as Photosensitizers for Nanocrystalline TiO2 Dye-Sensitized Solar Cells. - M Fernandes SS; Belsley M; Pereira AI; Ivanou D; Mendes A; Justino LLG; Burrows HD; Raposo MMM (ACS omega, 2018)