Nanocrystalline composites of transition metal molybdate (Ni1-xCoxMoO4; x = 0, 0.3, 0.5, 0.7, 1) synthesized by a co-precipitation method as humidity sensors and their photoluminescence properties

SEM image of NiCM-4 (Ni0.3Co0.7MoO4), error bar graph of the sensitivity factor vs nickel-cobalt molybdate (NiCM) composites, and TEM image of NiCM-4 (Ni0.3Co0.7MoO4).265