Royal Society of Chemistry, RSC Advances, 12(8), p. 6356-6364, 2018
DOI: 10.1039/c7ra13762a
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The optical properties of pyridyl-substituted dihydroazulene (DHA) photoswitches can be tuned by protonation/deprotonation as well as the thermal back-reaction rate and amount of heat release from the vinylheptafulvene (VHF) photoisomers.