钙掺杂自激活锗酸锌长余辉材料的多色余辉及动态防伪应用

曾琦琦, 吴彦徵, 程煌裕, 邵康, 胡恬雨, 潘再法

Calcium Doped Self-activated Zinc Germanate Long Afterglow Materials: Multicolor Afterglow and Application in Dynamic Anti-counterfeiting

ZENG Qiqi, WU Yanzheng, CHENG Huangyu, SHAO kang, HU Tianyu, PAN Zaifa

表1 双指数拟合的ZCGO-5及ZGO样品余辉衰减曲线参数

Table 1 Parameters for double-exponentially fitting afterglow decay of ZCGO-5 and ZGO samples

Sample τ1/s A1 τ2/s A2 τavg/s ZCGO-1 6.82 0.61 81.44 0.58 75.88 ZCGO-2 6.52 0.91 90.57 0.97 85.26 ZCGO-3 7.88 0.67 87.94 0.85 82.68 ZCGO-4 6.78 0.85 88.58 0.98 83.47 ZCGO-5 9.17 0.65 88.49 0.83 82.53 ZGO 4.92 0.65 66.13 0.40 63.47