Liquid-Based Multijunction Molecular Solar Thermal Energy Collection Device

Zhihang Wang, Henry Moïse, Martina Cacciarini, Mogens Brøndsted Nielsen, Masa aki Morikawa, Nobuo Kimizuka, Kasper Moth-Poulsen

研究成果: ジャーナルへの寄稿学術誌査読

24 被引用数 (Scopus)


Photoswitchable molecules-based solar thermal energy storage system (MOST) can potentially be a route to store solar energy for future use. Herein, the use of a multijunction MOST device that combines various photoswitches with different onsets of absorption to push the efficiency limit on solar energy collection and storage is explored. With a parametric model calculation, it is shown that the efficiency limit of MOST concept can be improved from 13.0% to 18.2% with a double-junction system and to 20.5% with a triple-junction system containing ideal, red-shifted MOST candidates. As a proof-of-concept, the use of a three-layered MOST device is experimentally demonstrated. The device uses different photoswitches including a norbornadiene derivative, a dihydroazulene derivative, and an azobenzene derivative in liquid state with different MOSTproperties, to increase the energy capture and storage behavior. This conceptional device introduces a new way of thinking and designing optimal molecular candidates for MOST, as much improvement can be made by tailoring molecules to efficiently store solar energy at specific wavelengths.

ジャーナルAdvanced Science
出版ステータス出版済み - 11月 3 2021

!!!All Science Journal Classification (ASJC) codes

  • 医学(その他)
  • 化学工学一般
  • 材料科学一般
  • 生化学、遺伝学、分子生物学(その他)
  • 工学一般
  • 物理学および天文学一般


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