Design of accumulated nano-wires and their anisotropic and singular electronic states studied by micro-optical polarized spectroscopy.

利用具有内径为0.7 nm的一维微孔的AlPO4-5分子筛单晶，将半导体材料硒和芳香分子蒽装入微孔中。考虑到纳米空间小，我们期望客体材料具有各向异性和独特的电子性能。一维孔隙中硒原子的电子态类似于从大块三角形硒中提取的孤立的三重螺旋。在加载蒽分子的情况下，由于分子在小纳米空间中的取向受限，我们预计一维孔隙中相邻分子之间会发生π-π相互作用。不幸的是，我们没有观察到这种相互作用产生的现象。

By using single crystals of zeolite AlPO4-5 having one-dimensional (1D) micropores with an inner diameter of 0.7 nm, selenium which is a semiconductor material and anthracene that is aromatic molecules are loaded into the pores. Obeying to the small nano-space, we expected the guest materials exhibit anisotropic and unique electronic properties. Electronic state of selenium atoms in the 1D pores was similar to an isolated three fold helix extracted from bulk trigonal Se. In case of loading anthracene molecules, we expected π-π interaction between the adjacent molecules in the 1D pores because of the restricted orientation of the molecules in the small nano-space. Unfortunately, we could observe no phenomena originating from such interaction.