band edge meaning in English

光谱带头
能带边缘
频带边缘
谱带边沿
轧制的边

In addition the surface - modified zno nanoparticles are found to enhance the band edge luminescence
通过添加表面活性剂，使粒子的表面得到修饰，从而增强了紫外发射。
The chelation ability made ac - hac act as a protection layer on the surface of cds nanoparticles , which reduced surface states and improved the band edge emission . 3
这是因为聚丙烯酸?丙烯酸羟丙酯在一定程度上能够修饰cds纳米粒子表面，减少表面缺陷，提高纳米粒子的带隙发光。
The samples annealed at high temperature exhibit intense green emission , but the spatial distributions of the band edge luminescence and the green emission are not completely complementary as the annealing temperature is increased
经高温处理的纳米晶zno粉体，绿带增强，紫外与绿带谱的空间分布并非是完全互补的。