Hierarchical assembly of light-emitting polymer nanofibers in helical morphologies
Hierarchical assembly of light-emitting polymer nanofibers in helical morphologies
复制标题
螺旋形态发光聚合物纳米纤维的分层组装
DOI：
10.1063/1.3275727
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发表时间：
2009
影响因子：
4
通讯作者：
D. Pisignano
中科院分区：
文献类型：
--
作者：
S. Pagliara;A. Camposeo;R. Cingolani;D. Pisignano
单电纺发光共轭聚合物的纳米纤维在纳米到宏观的长度尺度上以各种螺旋形态分级组装。在纳米尺度上，分子链遵循微观组装，沿纤维动态轴沿着排列，如偏振光致发光光谱所示。分子量的作用，在所得的组装和光学性能的突出和讨论。基于最重的聚合物的纳米纤维表现出最拉伸的螺旋几何形状和激子能量迁移的最高抑制，导致相对于薄膜的最蓝移的光致发光。
Single electrospun nanofibers of light-emitting conjugated polymers hierarchically assemble at nano- to macroscopic lengthscales in various helical morphologies. At nanoscopic lengthscales, molecular chains follow the microscopic assembly, prevalently aligning along the fiber dynamic axis, as demonstrated by polarized photoluminescence spectroscopy. The role of molecular weight in the resulting assembling and optical properties is highlighted and discussed. Nanofibers based on the heaviest polymer exhibit the most stretched helical geometries and the highest suppression of the excitonic energy migration, resulting in the most blue-shifted photoluminescence with respect to thin films.
影响因子：
4
作者：
M. Misaki;M. Chikamatsu;Y. Yoshida;R. Azumi;N. Tanigaki;K. Yase;Shuichi Nagamatsu;Y. Ueda
通讯作者：
M. Misaki;M. Chikamatsu;Y. Yoshida;R. Azumi;N. Tanigaki;K. Yase;Shuichi Nagamatsu;Y. Ueda
影响因子：
15
作者：
Furukawa, S;Uji-i, H;De Feyter, S
通讯作者：
De Feyter, S