The effect of regioisomerism on the photophysical properties of alkylated-naphthalene liquids

B. Narayan; K. Nagura; T. Takaya; K. Iwata; A. Shinohara; H. Shinmori; H. Wang; Q. Li; X. Sun; H. Li; S. Ishihara; T. Nakanishi

doi:10.1039/C7CP05584F

The effect of regioisomerism on the photophysical properties of alkylated-naphthalene liquids†

B. Narayan,^a K. Nagura,

^a T. Takaya,

^b K. Iwata,

^b A. Shinohara,^c H. Shinmori,

^c H. Wang,^d Q. Li,^d X. Sun,^e H. Li,

^e S. Ishihara

^a and T. Nakanishi

*^a

Author affiliations

* Corresponding authors

^a Frontier Molecules Group, International Centre for Materials Nanoarchitectonics (WPI-MANA), National Institute for Materials Science (NIMS), 1-1 Namiki, Tsukuba 305-0044, Japan
E-mail: NAKANISHI.Takashi@nims.go.jp

^b Department of Chemistry, Faculty of Science, Gakushuin University, 1-5-1 Mejiro, Toshima-ku, Tokyo 171-8588, Japan

^c Department of Biotechnology, Interdisciplinary Graduate School of Medicine and Engineering, University of Yamanashi, 4-4-37 Takeda, Kofu 400-8510, Japan

^d Liquid Crystal Institute, Kent State University, 1425 University Esplanade, Kent, OH 44242-0001, USA

^e Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, No. 18 Tianshui Middle Road, Lanzhou 730000, P. R. China

Abstract

Novel regioisomeric alkylated-naphthalene liquids were designed and synthesized. In the solvent-free liquid state, 1-alkyloxy regioisomers showed excimeric luminescence, whereas 2-alkyloxy analogues exhibited monomer-rich luminescence features. Correlations among the molecular structures and the photophysical, calorimetric, and rheological properties are presented, demonstrating the impact of regioisomerism on the alkylated-chromophore liquid systems.

This article is part of the themed collections: 2018 PCCP HOT Articles and Complex molecular systems: supramolecules, biomolecules and interfaces

Physical Chemistry Chemical Physics

The effect of regioisomerism on the photophysical properties of alkylated-naphthalene liquids†

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