Y He, X Li, Y Guo, H Mao, Y Chen… - Optical …, 2024 - spiedigitallibrary.org
With the excitation of a 978 nm laser, the upconversion (UC) emissions of the YVO 4: Er 3+,
Yb 3+, Cr 3+ nanoparticles include three emission bands located at 524, 552 and 658 nm …