Mater. chem. phys. Mater. chem. phys. Comparison of the activities of C2N and BCNO towards Congo red degradation Dante Roberto C. Martín-Ramos Pablo Universidad de Zaragoza Chamorro-Posada Pedro Meejoo-Smith Siwaporn Vázquez-Cabo José Rubiños-López Óscar Lartundo-Rojas Luis Sánchez-Árevalo Francisco M. Trakulmututa Jirawat Rutto Dario Deebansok Siraprapha Srikhaow Assadawoot 2019 research-article