Non-peripheral型アルキルフタロシアニンとPCBMの混合系における相転移とキャリヤ移動特性

清水 洋; 川野 倖暉; 樋口 由美; 松田 幸真; 奥田 大樹; 中尾 貴哉; 高橋 己之一; ソーサ-ヴァルガス リディア; 吉田 浩之; 藤井 彰彦; 尾崎 雅則

doi:10.11538/ekitou.2014.0_1A14

2014 Japanese Liquid Crystal Conference

Session ID : 1A14

DOI https://doi.org/10.11538/ekitou.2014.0_1A14

Conference information

Host: The Japanese Liquid Crystal Society

Name : Japanese Liquid Crystal Conference 2014

Location : [in Japanese]

Date : September 08, 2014 - September 10, 2014

Phase transitions and carrier mobility of the blends with non-peripheral alkylphthalocyanines and PCBM

*Yo Shimizu, Kouki Kawano, Yumi Higuchi, Yukimasa Matsuda, Daiju Okuda, Takaya Nakao, Minokazu Takahashi, Lydia Sosa-Vargas, Hiroyuki Yoshida, Akihiko Fujii, Masanori Ozaki

Author information

*Yo Shimizu
Research Institute for Ubiquitous Energy Devices, National Institute of Advanced Industrial Science and Technology (AIST)
Kouki Kawano
Research Institute for Ubiquitous Energy Devices, National Institute of Advanced Industrial Science and Technology (AIST)
Faculty of Science and Engineering, Ryukoku University
Yumi Higuchi
Research Institute for Ubiquitous Energy Devices, National Institute of Advanced Industrial Science and Technology (AIST)
Yukimasa Matsuda
Research Institute for Ubiquitous Energy Devices, National Institute of Advanced Industrial Science and Technology (AIST)
Daiju Okuda
Research Institute for Ubiquitous Energy Devices, National Institute of Advanced Industrial Science and Technology (AIST)
Faculty of Science and Engineering, Ryukoku University
Takaya Nakao
Research Institute for Ubiquitous Energy Devices, National Institute of Advanced Industrial Science and Technology (AIST)
Faculty of Science and Engineering, Ryukoku University
Minokazu Takahashi
Research Institute for Ubiquitous Energy Devices, National Institute of Advanced Industrial Science and Technology (AIST)
Lydia Sosa-Vargas
Research Institute for Ubiquitous Energy Devices, National Institute of Advanced Industrial Science and Technology (AIST)
Hiroyuki Yoshida
Graduate School of Engineering, Osaka University
Akihiko Fujii
Graduate School of Engineering, Osaka University
Masanori Ozaki
Graduate School of Engineering, Osaka University

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Abstract

The blend of liquid crystalline phthalocyanine and PCBM is an interesting system for the active layer of BHJ organic solar cells. However, the miscibility and phase separation properties of these compounds have not yet been clarified. In this work, phase behaviour of the blends was studied for the alkyl homologues of np-phthalocyanine liquid crystal. It was found that non-peripheral hexaalkylphthalocyanine (CnPcH2) shows alkyl chain length dependence on the miscibility with PCBM. Interestingly, some homologues exhibit the miscibility limit up to 25 mole% of PCBM in Colh mesophase and carrier mobility shows a maximum for the blends with a critical component ratio.

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