Intrinsic luminescence centers in <i>γ</i>- and <i>θ</i>-alumina nanoparticles

Intrinsic luminescence centers in γ- and θ-alumina nanoparticles

Amirsalari Abdolvahab¹, Shayesteh Saber Farjami^{1, †}, Ghahrizjani Reza Taheri^{2, ‡}

(color online) (a) PL emission spectrum with deconvoluted luminescence bands of alumina nanoparticles calcined at 750 °C. Panels (b)–(n) correspond to PLE spectra of alumina nanoparticles detected at hν_em = 3.32, 3.16, 3.05, 2.92, 2.83, 2.74,2.68, 2.62, 2.54, 2.48, 2.42, 2.33, and 2.12 eV, respectively.