Citation: Sullivan, Ian; Sahoo, Prangya P.; Fuoco, Lindsay; Hewitt, Andrew S.; Stuart, Sean; Dougherty, Daniel; Maggard, Paul A. (2014). Cu-Deficiency in thep-Type Semiconductor Cu5--xTa11O30: Impact on Its Crystalline Structure, Surfaces, and Photoelectrochemical Properties. Chemistry of Materials, 26, pp. 6711-.