CdS纳米棒的吸收光谱与发射光谱表明:由于形貌和尺寸的变化，与传统体相材料相比，吸收光谱变宽且发生了蓝移。

• Compared with conventional bulk materials, the absorbance of CdS was broadened and shifted to blue range due to the change of morphology and size.