Technical Note: A Homemade Light Shutter to Shed Light on Electron–Hole Recombination of TiO2 and BiVO4 during Water Photoelectrooxidation - Silvio M. Mazarin; Willy B. Kira; Daniel F. da Costa-Filho; Cinthia R. Zanata; Heberton Wender; Cauê A. Martins (ACS Omega)