Rapid microwave solid-state synthesis of up-conversion materials based on Yb/Er- and Yb/Tm-doped yttrium oxysulfides - Machado, Ian Pompermayer; Pedroso, Cássio Cardoso Santos; Carvalho, José Miranda de; Brito, Hermi Felinto de; Rodrigues, Lucas Carvalho Veloso (World Chemistry Congress, 2017)