Development of ZnO Infrared LED and Its EmissivityN.N.A. Saidi, M.H.A. Wahid, P. Poopalan, N.A.M.A. Hambali, M.M. Shahimin, U.K. Sahbudin, S.N. Ariffin and Muhammad M. RamliMATEC Web Conf., 78 (2016) 01110DOI: https://doi.org/10.1051/matecconf/20167801110