Biomolecule-assisted route to obtain nanostructured bismuth oxybromide with enhanced photocatalytic activity Genesis de O. Lima; Thaylan P. Araújo; José Renato de O. Lima; Gilza Maria P. Prazeres; Carlos William A. Paschoal; Elson Longo; Auro A. Tanaka; Adeilton P. Maciel; Diego A.B. Barbosa; Marcio Aurélio P. Almeida;