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A Star-Shaped Molecule with Low-Lying Lowest Unoccupied Molecular Orbital Level, n‑Type Panchromatic Electrochromism, and Long-Term Stability
journal contribution
posted on 2017-04-03, 20:20 authored by Bin Yao, Yue Zhou, Xichong Ye, Rong Wang, Jie Zhang, Xinhua WanAn
electron-deficient star-shaped molecule based on anthraquinone
imide was synthesized and characterized. It showed high electron accommodating
capacity and strong electron-withdrawing ability with a low-lying
lowest unoccupied molecular orbital (LUMO) of −4.10 eV. In
addition, it exhibited panchromatic electrochromism attributed to
the simultaneous presence of π*−π* transitions
and intervalence charge transfer (IV-CT) upon one-electron reduction,
and revealed long-term stability in electron gain and loss due to
the proper LUMO energy level and ordered intermolecular assembly.
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Keywords
transitionIV-CTpresenceLUMO energy levelstabilityLong-Term Stabilityelectron-deficient star-shaped moleculecapacityone-electron reductionpanchromatic electrochromismLow-Lying Lowestassemblyanthraquinone imideMolecular Orbital LevelStar-Shaped MoleculePanchromaticelectron gaineVintervalence charge transferelectron-withdrawing abilityElectrochromism
