Jun GENG; Guang-Hui SONG; Jun-Jie ZHU. Er3+- Doped ZnO Nanospheres with Enhanced Upconversion Photoluminescence Produced through Sonochemical Synthesis. Current Topics and Emerging Issues in Materials Sciences Vol. 2, [S. l.], p. 170–179, 2023. DOI: 10.9734/bpi/cteims/v2/18981D. Disponível em: https://stm.bookpi.org/CTEIMS-V2/article/view/11489. Acesso em: 13 jun. 2026.