The relationship between the stop band of colloidal crystals and the diameters of polymer microspheres were investigated by using UV Vis spectra. 利用紫外-可见光谱研究了胶体晶的光禁带峰位与组成其微球粒径之间的关系。
Formation Mechanism for a Band Texture of Cellulose Liquid Crystal Polymer 纤维素液晶态条带织构的形成机理研究
At a lower band gap, the polymer solar cell can better utilize the solar spectrum, thereby absorbing more sunlight. 聚合体太阳能电池较低的带隙能更好地利用太阳光谱,从而吸收更多的阳光。
Energy band structure and light transition of conductive polymer 导电聚合物的能带结构和光跃迁
Computer Simulation of Band Texture Formation in Liquid Crystalline Polymer 高分子液晶条带织构的计算机模拟
The acrylamide band I and II in FTIR spectra of the grafted polymer shifted as the temperature changed, which revealed the temperature sensitivity of the grafted films. 在不同温度下,接枝膜的FTIR谱图中酰胺I带和酰胺II带特征吸收峰发生位移,表明它具有温度敏感特性。
This technique will be used for crosslinking polymer flooding, and also will improve polymer flooding by adding crosslinker in low-pressure well of polymer-injection band. Additionally crosslinking polymer can be used to control water shutoff deep profiles through increase solution, concentration and intensity. 该技术既可用于交联聚合物驱油,也可用于注聚区低压井添加交联剂改善聚合物驱效果,另外,增大溶液浓度和强度可用于交联聚合物深部堵水调剖。
Energy Band Structure of Organic/ Polymer Materials and its Applications in Electroluminescent Devices 有机/聚合物电致发光材料的能带结构及其在发光器件中的应用
The limiting factors of the photovoltaic performances include the narrow absorption band, the low molar absorption coefficient, the unmatched molecular energy levels and the low charge-carrier mobility of the polymer donor materials. 对聚合物给体材料来说,限制其光伏性能的因素包括吸收光谱窄、摩尔吸光系数低、分子能级不匹配及载荷子迁移率低等。
Band gap cannot be formed due to small refractive index difference. Principle of group velocity anomalies was used to explain how polymer photonic crystal devices work. 但是由于聚合物光子晶体材料本身具有较小的折射率差,无法形成能带,群速度异常是聚合物光子晶体器件工作的主要原理。
In recent years electron correlation has been found to be very important in the organic polymers electronic band structure and the nature of the carriers. We know that electronic band structure and the carrier mainly determine the function of the organic polymer material and usage. 近年来人们又发现电子关联对有机聚合物中电子能带结构和载流子的性质有重要影响,我们知道电子能带结构和载流子的性质很大程度上决定了有机高分子聚合物材料的功能和用途。
All the results show that the band gap of the polymer can be tuned by the acceptor group of the side-chain, which leads to the different colors showing under different applied potentials. 该研究结果表明,侧链不同吸电子基团可以导致其相应聚合物的能隙发生变化,从而使其具有不同的颜色显示。
Electrochemical measurement displayed that the band gap of the polymer was 2.01 eV. 电化学测试表明聚合物的能隙较低,为2.01eV。