An electrolyte-free flexible electrochromic device using electrostatically strong graphene quantum dot-viologen nanocomposites.
basic_science · Level V
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- Record sourced from PubMed, PMID 24889833.
- Also identified by DOI 10.1002/adma.201401201.
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Abstract
A strong electrostatic MV(2+) -GQD nanocomposite provides an electrolyte-free flexible electrochromic device wih high durability. The positively charged MV(2+) and negatively charged GQD are strongly stabilized by non-covalent intermolecular forces (e.g., electrostatic interactions, π-π stacking interactions, and cation-π electron interactions), eliminating the need for an electrolyte. An electrolyte-free flexible electrochromic device fabricated from the GQD-supported MV(2+) exhibits stable performance under mechanical and thermal stresses.