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The upconversion (UC) luminescence and color tunable properties of Tb3+ ions were investigated by steady spectral under 980 LD excitation in the Ca0.15Zr0.85O1.85:Yb,Tb inverse opals fabricated by the self-assembly technique in combination with a sol-gel method. The in-hibition of UC emission was inspected if the Tb3+ UC emission band was in the regions of the photonic bandgap, while enhancement of the UC emission occurred if the UC emission band located at the edge of the bandgap. Color modification of the UC emission was successfully ob-tained by the suppression or enhancement effect of the photonic band gap on the UC emission. 相似文献
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[目的]建立一种同时测定33%氟噻·吡酰·呋悬浮剂中3种有效成分的高效液相色谱检测方法。[方法]采用反相高效液相色谱法,以乙腈、水为流动相,使用ODS-3C18柱和二极管阵列检测器,在250 nm波长下对试样中的呋草酮、氟噻草胺和吡氟酰草胺进行分离和定量分析。[结果]呋草酮、氟噻草胺和吡氟酰草胺的线性相关系数均为1.0000,变异系数分别为0.43%、0.48%和0.47%,平均回收率分别为100.30%、99.93%和100.04%。[结论]方法简便、准确,适用于氟噻·吡酰·呋悬浮剂样品的定量分析。 相似文献
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