能带宽度

聚芴类材料及其衍生物和共聚物有比较高的能带宽度，实现蓝光发射，成为当今蓝光材料的研究热点之一。

Fluorene and its derivatives have a wide energy gap , which is beneficial to blue emission , and becomes the hot topic of blue emitting materials . In this work , PLED devices comprised of three novel fluorene-based polymers were fabricated and investigated .

这一技术可以增加3dB带宽。电子相互作用对聚合物能带宽度的影响

Technique . Effect of electron interaction on the bandwidth of conductive polymers

电子相互作用对聚合物能带宽度的影响

Effect of electron interaction on the bandwidth of conductive polymers

通过对锗硅量子点和量子阱材料的光电流谱的带间跃迁吸收边的拟合，得到了硅导带到锗价带的能带宽度分别为1.043eV和1.050eV。

By fitting of band-to-band absorption edges , the bandgap of Si conduction band to Ge valence band is acquired .

用激发态相关基函数理论，计算了电子-电子相互作用对导电聚合物能带宽度的影响。

By using the electron correlated basis function of excited state , we calculate the effect of electron interaction on the bandwidth of conductive polymers .

结果表明颗粒大小对电子能态结构影响较大，而颗粒界面无序度主要引起能带宽度和态密度大小的变化。

The result shows that the effect of the grained size on the electronic structure is great , and the disordered degree of the trained surface cause mainly the change of the energy width and the magnitude of the density of state .