Upendra A. Joshi Joshi, U. A., & Maggard, P. (2012). CuNb3O8: A p-type semiconducting metal oxide photoelectrode. Journal of Physical Chemistry Letters, 3(11), 1577–1581. https://doi.org/10.1021/jz300477r Fuoco, L., Joshi, U. A., & Maggard, P. (2012). Preparation and photoelectrochemical properties of p-type Cu5Ta11O30 and Cu3Ta7O19 semiconducting polycrystalline films. Journal of Physical Chemistry. C, 116(19), 10490–10497. https://doi.org/10.1021/jp300267v Joshi, U. A., Palasyuk, A. M., & Maggard, P. (2011). Photoelectrochemical investigation and electronic structure of a p-type CuNbO(3) photocathode. Journal of Physical Chemistry. C, 115(27), 13534–13539. https://doi.org/10.1021/jp204631a Joshi, U. A., Palasyuk, A., Arney, D., & Maggard, P. (2010). Semiconducting oxides to facilitate the conversion of solar energy to chemical fuels. Journal of Physical Chemistry Letters, 1(18), 2719–2726. https://doi.org/10.1021/jz100961d