Characterization of 3 × 3 Matrix Arrays of Solution‐Phase Electrochromic Cells

Leventis, Nicholas; Chen, Muguo; Liapis, Athanasios I.; Johnson, James W.; Jain, Anand

doi:10.1149/1.1838413

Cited by 49 publications

(26 citation statements)

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“…The requirement for addressable pixels, each comprising separate potentially electrochromic electrodes, is a complexity being tackled at present, e.g., Figure 6, where dissolved electrochromes at a 3 3 matrix of electrodes with six inputs operate without cross-talk, the unconnected pixels experiencing insufficient potential for coloration spread to ensue, [24] even though the electrochromes (TMPD and heptylviologen) are always in solution.…”

Section: Displaysmentioning

confidence: 99%

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Electrochromic Systems and the Prospects for Devices

2001

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Many inorganic and organic materials exhibit redox states with distinct electronic (UV‐vis) absorption bands. When the switching of redox states generates new or different visible region bands, the material is electrochromic. Electrochromic materials are currently attracting much interest in academia and industry for both their fascinating spectroelectrochemical properties and their commercial applications. In this review some of the most important examples from the major classes of electrochromic materials are highlighted. Examples of their use in both prototype and commercial electrochromic devices are illustrated including car mirrors, windows and sun‐roofs of cars, windows of buildings, displays (see Figure), printing, and frozen‐food monitoring.

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Section: Displaysmentioning

confidence: 99%

“…Pixel array showing no cross-talk between close pixel elements, with solution-phase electrochromes[21]. (Reproduced from[24] with permission of the Electrochemical Society. )…”

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confidence: 99%

Electrochromic Systems and the Prospects for Devices

2001

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“…It results from the generation of different electronic absorption bands in the visible region, which is correlated to redox states switching [1,2] . Electrochromic materials have been attracting much interest for several decades since they have several important applications, such as electrochromic windows [3,4] , rear-view mirrors [5] , electrochromic displays [6] , and electronic paper or electrochromic painting [7] . In recent years, conducting polymers have received increasing attention as electrochromic materials.…”

Section: Introductionmentioning

confidence: 99%

Influence of different substrates on the electrochromic property of polyaniline films

Lin

Gan

et al. 2010

J. Wuhan Univ. Technol.-Mat. Sci. Edit.

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The polyaniline (PANI) films doped with complex acid (sulfuric acid and sulfosalicylic acid) were prepared using the potentiostatic method on bare nickel flake (NF) and flexible polyethylene terephthalate (PET)/indium tin oxide (ITO) substrates. The contents of the PANI films ， surface elements, electrochromic property and electrical conductivity were characterized by energy dispersive X-ray spectrometer (EDS), cyclic voltammetry (CV) and electrochemical impedance spectroscopy (EIS). The experimental results show that differences exist among cycle stability, redox reversibility and response time of polyaniline films on these two kinds of substrates, but the electrochromic phenomenon of the PANI films is in substantial agreement. The equilibrium transmittance spectra in the visible region (400-800 nm) for the PANI film on flexible PET/ITO substrate was obtained at different applied potential from -0.4 to 1.5 V. The results show that the transmittance of the PANI film by applying voltage is adjustable in a row and has excellent electrochromic performance.

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“…15 Home-made IDAs used for transconductance work consist of 100 microelectrodes (50 on each side), 0.4 mm long, 3 μm wide and 3 μm apart from one another, and were made photolithographically at the Microfabrication lab at NASA Glenn Research Center from chrome masks prepared by Advanced Reproductions, Inc. (North Andover, MA). All volumetric glassware was 6 rinsed with acetone, then water, then soaked in a Micro cleaning solution in water, rinsed with copious amounts of water, and oven dried overnight.…”

Section: Methodsmentioning

confidence: 99%

Protection of 2-(3-thienyl)ethanol with 3-thienylacetic acid and hard cross-linked conducting films by electropolymerization of the ester

Dass¹,

Mulik²,

Sotiriou‐Leventis³

et al. 2006

Synthetic Metals

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Abstract. The ester (compound 1) of 2-(3-thienyl)ethanol (T-etOH) with 3-thienylacetic acid was synthesized as a monomer whose two thiophene groups could be electropolymerized independently, becoming members of different polymer chains in a highly-crosslinked highly-insoluble polymer. Indeed, 1 was electropolymerized successfully alone and together with 3-methylthiophene (3MeT). Films of poly(1) are hard (3H, as opposed to <6B for poly(3MeT)), and the close proximity of the polymeric strands creates -stacking interactions. The behavior of 1 suggests that by: (a) limiting the potential used for the oxidation of monomeric esters of T-etOH at the foot of their oxidation waves (<1.8 V vs. Ag/AgCl); and, (b) compensating for the decrease in the electrogenerated radical concentration by increasing the monomer concentration, practically all esters of T-etOH should be electropolymerizable. This was confirmed by durable film formation from the archetypical ester of T-etOH, the 2-(3-thienyl)ethyl acetate (T-etOAc), whose homo-electropolymerization is reported for the first time.

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Characterization of 3 × 3 Matrix Arrays of Solution‐Phase Electrochromic Cells

Abstract: L55 based oxidation reaction. XRD results indicate that Li4Mn5O12 begins to disproportionate above 500°C. Li4Mn5O12 samples obtained by this low temperature approach exhibit a capacity close to the theoretical value with excellent cyclability.

Cited by 49 publications

References 1 publication

Electrochromic Systems and the Prospects for Devices

Electrochromic Systems and the Prospects for Devices

Influence of different substrates on the electrochromic property of polyaniline films

Protection of 2-(3-thienyl)ethanol with 3-thienylacetic acid and hard cross-linked conducting films by electropolymerization of the ester

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