Electrodeposition and Characterization of Polyporphyrin Films Based on Mn Complexes of Amino-substituted Tetraphenylporphyrins

Parfenyuk, V. I.; Tesakova, Mariya V.; Chulovskaya, S. A.; Kuzmin, Sergey M.

doi:10.6060/mhc190232p

Cited by 7 publications

(2 citation statements)

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“…Most recent reports on electrochromic devices, based on reversible electrodeposition of metal, have utilized dimethyl sulfoxide (DMSO) or water as the solvent for the electrolyte, as shown in Table . DMSO is an aprotic polar solvent, known for its ability to effectively solvate cations, especially metal cations. , The advantages of water as a solvent for electrolytes include nontoxicity, low cost, and allowing for fast diffusion of metal salts. However, the freezing point of DMSO and water is 18.45 and 0 °C, respectively.…”

Section: Introductionmentioning

confidence: 99%

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Aprotic Polar Electrolyte Facilitates Indoor Dynamic Optical-Thermal Management in Silver-Based Electro-Reflective Smart Windows

Zhang,

Jiang,

Yuan

et al. 2024

J. Phys. Chem. C

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The electrochromic devices explored in this study show tremendous promise for energy conservation, enabling active, adaptive control of solar heat and lighting in buildings. However, a majority of existing devices fail to perform optimally in areas with significant temperature fluctuations. Addressing this challenge, we introduce a new aprotic polar electrolyte (APE) for use in a reversible silver deposition electrochromic device. This novel device boasts an impressive ability to switch from a highly transparent state (with light transmittance at 650 nm being equal to or greater than 80%) to a reflective mirror-like state (with light transmittance at 650 nm being equal to or less than 1%) across an extensive temperature range spanning from −40 to 40 °C. The device's switching threshold decreases with lower temperatures, moving from −1.97 V at 40 °C to −2.37 V at −40 °C. The coloration process completes in as swift as 3.5 s at 40 °C and in 13.6 s at −40 °C, while the bleaching process requires 16.3 s at 40 °C and extends to 71.0 s at −40 °C. Achieving high optical contrast (with a ΔT = 80% at 650 nm) at varied temperatures, the device also demonstrates exceptional durability across numerous cycles.

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Section: Introductionmentioning

confidence: 99%

“…DMSO is an aprotic polar solvent, known for its ability to effectively solvate cations, especially metal cations. 34,35 The advantages of water as a solvent for electrolytes include nontoxicity, low cost, and allowing for fast diffusion of metal salts. However, the freezing point of DMSO and water is 18.45 and 0 °C, respectively.…”

Section: Introductionmentioning

confidence: 99%