First‐Principles Exploration of 2D Benzenehexathiolate Coordination Nanosheets for Broadband Electrochromic Devices

Abstract: Electrochromic materials can tune the illumination and heat exchange of a building with the environment and thereby save energy in lighting, heating, and air conditioning in a cost‐effective way, which is vital in realizing carbon neutrality. 2D frameworks such as coordination nanosheets (CONASHs) that are widely explored for a wide range of applications in energy storage and conversion can be a cluster of novel electrochromic materials. In this work, a series of transition metal benzenehexathiol (TM‐BHT) CONASHs are theoretically investigated via first‐principles simulations. During ion intercalation and deintercalation in TM‐BHTs, changes in lattice structures, lithium diffusion barriers, atomic charges, bond strength, and electronic properties are explored in‐depth. The incurred changes are then correlated with critical electrochromic properties, including the transmittance adjustment ranges in the visible light, near‐infrared, solar spectrum, and mid‐infrared. Among the various TM‐BHT systems, Cu‐BHT and Ag‐BHT are the most promising broadband electrochromic materials for optical and thermal management in the wavelength range from visible to mid‐infrared. The theoretical guidance from this work paves a new path toward electrochromic applications of CONASHs that exploit the versatility of these 2D materials.

Location
Deutsche Nationalbibliothek Frankfurt am Main
Extent
Online-Ressource
Language
Englisch

Bibliographic citation
First‐Principles Exploration of 2D Benzenehexathiolate Coordination Nanosheets for Broadband Electrochromic Devices ; day:07 ; month:08 ; year:2022 ; extent:8
Advanced functional materials ; (07.08.2022) (gesamt 8)

Creator
Li, Meng
Wu, Zhenzhen
Zheng, Mengting
Chen, Hao
Gould, Tim
Zhang, Shanqing

DOI
10.1002/adfm.202202763
URN
urn:nbn:de:101:1-2022080815200710234123
Rights
Open Access; Der Zugriff auf das Objekt ist unbeschränkt möglich.
Last update
15.08.2025, 7:34 AM CEST

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Associated

  • Li, Meng
  • Wu, Zhenzhen
  • Zheng, Mengting
  • Chen, Hao
  • Gould, Tim
  • Zhang, Shanqing

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