Designing energy transfer-based color-tunable, information-encrypting, luminous hydro-gels, and latent fingerprint detection systems using BaLa2ZnO5:Tb3+, Bi3+ nanophosphors

B.R. Radha Krushna, Saurabh Sharma, Fr. Deepu Joy, M.R. Sanjana, H.M. Sujatha, S. Devaraja, Swati Mishra, Ajaya Kumar Jena, K. Manjunatha, Sheng Yun Wu, C.N. Manjunatha, H. Nagabhushana