On February 28, 1997, Kim, Sung Hoon; Bae, Jin Seok; Hwang, Seok Hwan; Gwon, Tae Sun; Doh, Myung Ki published an article.Electric Literature of 52243-87-5 The title of the article was Dimer formation of viologen derivatives and their electrochromic properties. And the article contained the following:
The electrochromic properties of 1,1′-diethyl-4,4′-bipyridinium dibromide (EV), 1,1′-dipropyl-4,4′-bipyridinium dibromide (PV), 1,1′-dibutyl-4,4′-bipyridinium dibromide (BV) and 1-ethyl-1′-Bu bipyridinium dibromide (EBV) were studied using a propylene-carbonate/methanol solution with Bu4NBF4 as the supporting electrolyte. A monomer-dimer equilibrium is proposed to explain the observation that the EV and EBV cation radical solutions are violet at an applied voltage of 1.7-3.0 V, but become blue in the open-circuit condition. The experimental process involved the reaction of 1,1′-Dipropyl-[4,4′-bipyridine]-1,1′-diium bromide(cas: 52243-87-5).Electric Literature of 52243-87-5
The Article related to electrochromism viologen derivative monomer dimer equilibrium, viologen derivative cation radical electrochromic cell, Radiation Chemistry, Photochemistry, and Photographic and Other Reprographic Processes: Photochromic, Thermochromic, and Electrochromic Imaging Systems and other aspects.Electric Literature of 52243-87-5