Wei Qingshuo, Mukaida Masakazu, Kirihara Kazuhiro, Ishida Takao
Nanosystem Research Institute, National Institute of Advanced Industrial Science and Technology, 1-2-1 Namiki, Tsukuba, Ibaraki 305-8564, Japan.
ACS Macro Lett. 2014 Sep 16;3(9):948-952. doi: 10.1021/mz500446z. Epub 2014 Sep 5.
We reported general methods for studying the thermoelectric properties of a polymer film in both the in-plane and through-plane directions. The bench-mark PEDOT/PSS films have highly anisotropic carrier transport properties and thermal conductivity. The anisotropic carrier transport properties can be explained by the lamellar structure of the PEDOT/PSS films where the PEDOT nanocrystals could be isolated by the insulating PSS in the through-plane direction. The anisotropic thermal conductivity was mainly attributed to the lattice contribution from PSS because the polymer chain is oriented along the substrate.
我们报道了研究聚合物薄膜面内和面外方向热电性能的通用方法。基准的聚（3,4-乙撑二氧噻吩）/聚苯乙烯磺酸盐（PEDOT/PSS）薄膜具有高度各向异性的载流子传输特性和热导率。各向异性的载流子传输特性可以通过PEDOT/PSS薄膜的层状结构来解释，其中PEDOT纳米晶体在面外方向上可被绝缘的PSS隔离。各向异性的热导率主要归因于PSS的晶格贡献，因为聚合物链沿基底取向。
