Synthesis, Characterization and Single Crystal X-Ray Structures of Trifluroacetylacetonate Copper(II) Complexes

Kumari, Neha; Bahadur, Vir; Butcher, Raymond J.; Kumbhar, Avinash S.

doi:10.1007/s10870-022-00937-1

Cited by 2 publications

(4 citation statements)

References 36 publications

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“…UV–Vis absorption spectra of the electrolytes gelled at 35 °C, 45 °C, and 55 °C are shown in Figure S2 . Comparing the electrolytes gelled at 35 and 45 °C, there was a new absorption band caused by d - d transition due to Cu complex observed for the electrolytes gelled at 55 °C [ 40 , 41 , 42 , 43 ]. Thus, it indicated that the chemical bonding states of the electrolytes changed depending on gelation temperatures.…”

Section: Resultsmentioning

confidence: 99%

“…This indicated that the chemical bonding between Cu ions and C=O (NMP) became stronger in the discharged electrolyte. Moreover, the new absorption band caused by d-d transition due to the Cu complex was also observed in the discharged electrolyte according to the UV–Vis spectra [ 40 , 41 , 42 , 43 ]. The Cu complex was formed in the electrolyte of the discharged cell so that the diffusion of the Cu ions is inhibited.…”

Section: Resultsmentioning

confidence: 99%

“…The content rates of NMP tend to decrease with increasing gelation temperature (Figure 4b), indicating that the NMP was gradually evaporated. Thus, the color of the electrolyte was changed with gelation temperature and 80 wt% NMP was evaporated at 60 [40][41][42][43]. Thus, it indicated that the chemical bonding states of the electrolytes changed depending on gelation temperatures.…”

Section: Chemical Bonding States and Morphologies Of Gpesmentioning

confidence: 99%

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Preparation and Evaluation of PVDF-HFP-Based Gel Electrolyte for Ge-Sensitized Thermal Cell

Chai,

Matsushita

2024

Polymers

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The semiconductor-sensitized thermal cell (STC) is a new thermoelectric conversion technology. The development of nonliquid electrolytes is the top priority for the practical application of the STC. In this study, a novel gel polymer electrolyte (PH-based GPE) composed of poly(vinylidenefluoride-co-hexafluoropropylene) (PH), 1-Methyl-2-pyrrolidone (NMP), and Cu ions was synthesized and applied to the STC system. The PH-based GPE synthesized at 45 °C showed higher open-circuit voltage (−0.3 V), short-circuit current density (59 μA cm−2) and diffusion coefficient (7.82 × 10−12 m2 s−1), indicating that a well-balanced structure among the NMP molecules was formed to generate a high-efficiency conduction path of the Cu ions. Moreover, the ion diffusion lengths decreased with decreasing content rates of NMP for the PH-based GPEs, indicating that the NMP plays an important role in the diffusion of Cu ions. Furthermore, the activation energy was calculated to be 107 kJ mol−1, and that was smaller compared to 150 kJ mol−1 for the poly(ethylene glycol)-based liquid electrolyte. These results play an important reference role in the development of electrolytes for STC systems. At the same time, they also provide a new avenue and reference indicator for the synthesis of high-performance and safe GPEs.

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Section: Resultsmentioning

confidence: 99%

Section: Resultsmentioning

confidence: 99%

Section: Chemical Bonding States and Morphologies Of Gpesmentioning

confidence: 99%

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Preparation and Evaluation of PVDF-HFP-Based Gel Electrolyte for Ge-Sensitized Thermal Cell

Chai,

Matsushita

2024

Polymers

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“…As a further indication of the scope of Jerry's research and the affection in which he was held by collaborators around the world, this special issue is being published in parallel with another in the Journal of Chemical Crystallography. The papers in that journal reflect more of Jerry's scientific interests including copper compounds, 1,2,4-triazoles, hydrogen and halogen bonding and other interactions, computational studies and pharmaceuticals (Amaral et al, 2022;Baraskar et al, 2022;Bhattacharjee et al, 2021;Boehm et al, 2022;Bu ¨lbu ¨l et al, 2021;Davies et al, 2022;Elshani et al, 2022;Kumari et al, 2022;Lobana et al, 2021;Lopez et al, 2021;Peloquin et al, 2022;Satheesh et al, 2022;Singh et al, 2022).…”

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confidence: 99%

Foreword to the special virtual issue in tribute to Jerry P. Jasinski

Manke¹,

Zeller²,

Butcher³

2022

Acta Cryst E

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When people think of science and scientists, often the picture of a lone genius, or of a renaissance man comes to mind. Somebody who, being extraordinary but not well understood, overcomes all obstacles on their own. Such times, even if we cherish the thought, are long gone. Today science, and crystallography even more so than most, is done in collaboration, with teams of people spanning many universities, countries, and continents, with each member contributing their unique abilities, joining together to solve today's challenges. Alone, we are little compared to what we can achieve together.Even among those masses that are each a small wheel that keeps the gears moving, there are unique and extraordinary people who stand out. People like Jerry P. Jasinski. People who take collaboration and service for others to a new level. Crystallography is, by its nature, something rarely done in a vacuum; most crystallographers routinely work and collaborate with others. But even in this field, Jerry Jasinski has been one of a kind. Those who knew him can confirm, he never said no when asked for help. He always stepped in, helped out, explained how things worked, and sparked the curiosity of others. The people Jerry worked with spanned the globe. From colleagues in the US, just down the road from Keene State, to research groups from dozens of countries from all inhabited continents of this planet.Jerry was born in Newport, New Hampshire, obtained his BA from the University of New Hampshire, did graduate work at UNH and Worcester Polytechnic Institute and obtained his PhD from the University of Wyoming. He worked as a secondary school teacher of chemistry and physics in New York, Vermont and New Hampshire, and eventually started as an Assistant Professor of Chemistry at Keene State College in 1978, where he remained for the rest of his career. In 1989, Jerry established the New England Molecular Structure Center with NSF funding, and thereafter established a framework for others to follow on doing crystallographic research at an undergraduate institution. His accomplishments are too long to list (Butcher, 2022), but his impact is evident on all who worked with him.Jerry was known throughout the New England chemistry community, most notably as Chair of the Northeastern Section of the American Chemical Society and the president of the New England Institute of Chemists. Beyond his very active involvement in professional societies, Jerry was known by all he interacted with as a caring and selfless man who would gladly put out his hand to help others. He touched chemists in High Schools, students and teachers, in Universities, students and faculty, and took special pride in helping younger chemists progress. His kind heart and boisterous laugh will be sadly missed.Jerry was a prolific scientific author and a strong contributor to Acta Crystallographica, having published 365 articles in this journal alone! He also served as a Co-editor from 2009-2012 and was always happy to help authors to improve their submissions. To honor his me...

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Synthesis, Characterization and Single Crystal X-Ray Structures of Trifluroacetylacetonate Copper(II) Complexes

Cited by 2 publications

References 36 publications

Preparation and Evaluation of PVDF-HFP-Based Gel Electrolyte for Ge-Sensitized Thermal Cell

Preparation and Evaluation of PVDF-HFP-Based Gel Electrolyte for Ge-Sensitized Thermal Cell

Foreword to the special virtual issue in tribute to Jerry P. Jasinski

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