S Liang, M He, J Guo, J Yue,
X Pu, B Ge, W Li - Separation and Purification …, 2018 - Elsevier
Abstract The BiOBr: Yb 3+, Er 3+/gC 3 N 4 (BYE/CN) pn junction photocatalysts were
successfully fabricated by a stepwise method. Experimental results show that Er 3+/Yb 3+ …