%0 Journal Article %T The synergistic effect of Er3+ and Ho3+ on temporal color tuning of upconversion emission in a glass host via a facile excitation modulation technique for anti-counterfeiting applications %A Erol, Erdinç %A Kıbrıslı, Orhan %A Vahedigharehchopogh, Naji %A Çelikbilek Ersundu, Miray %A Ersundu, Ali Erçin %J Physical Chemistry Chemical Physics %V 22 %N 44 %P 25963-25972 %@ 1463-9076 %D 2020-11-18 %I The Royal Society of Chemistry %~ DeepDyve