Liquid Bisazobenzenes as Molecular Solar Thermal Fuel with Enhanced Energy Density

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  • Masa-aki Morikawa
    Department of Applied Chemistry, Graduate School of Engineering, Kyushu University, 744 Moto-oka, Nishi-ku, Fukuoka 819-0395 , Japan
  • Yuta Yamanaka
    Department of Applied Chemistry, Graduate School of Engineering, Kyushu University, 744 Moto-oka, Nishi-ku, Fukuoka 819-0395 , Japan
  • Nobuo Kimizuka
    Department of Applied Chemistry, Graduate School of Engineering, Kyushu University, 744 Moto-oka, Nishi-ku, Fukuoka 819-0395 , Japan

説明

<jats:title>Abstract</jats:title> <jats:p>Liquid molecular solar thermal fuels containing m-bisazobenzene units are newly developed. Efficient E-Z photoisomerization was observed both in solutions and in neat liquids, with the thermal stability of Z isomers comparable to those of azobenzene derivatives. The heat storage capacities of liquid m-bisazobenzenes (230–262 J/g) are larger than that previously reported for a liquid azobenzene solar thermal fuel (168 J/g). This work provides a new design guideline for enhancing gravimetric energy density in condensed molecular solar thermal fuels.</jats:p>

収録刊行物

  • Chemistry Letters

    Chemistry Letters 51 (4), 402-406, 2022-02-01

    Oxford University Press (OUP)

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