One–dimensional TiO2/SiO2 photonic crystal filter for thermophotovoltaic applicationsFabrice Kwefeu Mbakop, Noël Djongyang and Danwé RaїdandiJ. Eur. Opt. Soc.-Rapid Publ., 12 1 (2016) 23DOI: https://doi.org/10.1186/s41476-016-0026-4