A strategy towards MF2:Yb3+, Er3+/SiO2 (M=Ba, Sr, Ca) yolk-shell nanofibers and yolk-shell nanobelts with up-conversion fluorescence

BaF2:Eu2+/3+,Tb3+nanofibres achieve enhanced multicolor luminescence and white-light emissionviamulti-channel excitation and energy migration procedure

“…Simultaneously, they have good application prospects in sensors, 22 biomedicine, 23 electronic components 24 and other fields. 25 Electrospinning technology, [26][27][28][29] as one of the most effective methods to fabricate nanofibres, possesses the virtues of simple operation, wide application, high production efficiency, controllable size, etc. Simultaneously, nanofibres prepared by electrospinning have the characteristics of a large aspect ratio, ultra-high surface area and unique optical performance.…”