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Utilizing Solvent Repulsion between Dimethylformamide and Isopropanol to Manipulate Sn Distribution for Bifacial CuZnSn(S,Se) Solar Cells.
ACS Appl Energy Mater
December 2024
School of Chemistry, University of Bristol, Cantocks Close, BS8 1TS Bristol, U.K.
Rationalizing the role of chemical interactions in the precursor solutions on the structure, morphology, and performance of thin-film CuZnSn(S,Se) (CZTSSe) is key for the development of bifacial and other photovoltaic (PV) device architectures designed by scalable solution-based methods. In this study, we uncover the impact of dimethylformamide (DMF) and isopropanol (IPA) solvent mixtures on cation complexation and rheology of the precursor solution, as well as the corresponding morphology, composition, and PV performance of CZTSSe thin-film grown on fluorine-doped tin oxide (FTO). We find that increasing the proportion of IPA leads to a nonlinear increase in dynamic viscosity due to the strong repulsion between DMF and IPA, which is characterized by an interaction cohesion parameter of 3.
View Article and Find Full Text PDFDevelopment of Single-Walled Carbon Nanotube-Based Electrodes with Enhanced Dispersion and Electrochemical Properties for Blood Glucose Monitoring.
Biosensors (Basel)
December 2024
Department of Gyedang College of General Education, Sangmyung University, 31 Sangmyungdae-Gil, Dongnam-Gu, Cheonan 31066, Republic of Korea.
The evolution of high-performance electrode materials has significantly impacted the development of real-time monitoring biosensors, emphasizing the need for compatibility with biomaterials and robust electrochemical properties. This work focuses on creating electrode materials utilizing single-walled carbon nanotubes (SWCNTs) and multi-walled carbon nanotubes (MWCNTs), specifically examining their dispersion behavior and electrochemical characteristics. By using ultrasonic waves, we analyzed the dispersion of CNTs in various solvents, including N, N-dimethylformamide (DMF), deionized water (DW), ethanol, and acetone.
View Article and Find Full Text PDFAlkyl 4-Alkoxyvalerates: Characterization and Application in Pd-Catalyzed Aminocarbonylation of Iodo(hetero)arene Compounds.
Chempluschem
December 2024
Budapest University of Technology and Economics, Department of Chemical and Environmental Process Engineering, Muegyetem rkp. 3., 1111, Budapest, HUNGARY.
The palladium-catalyzed aminocarbonylation is one of the most effective methods for the synthesis of carboxamides having great importance. Replacing fossil-based organic solvents in this routinely used catalytic protocol with biomass-derived media is crucial for developing environmentally safe alternatives and towards sustainability considerations. In this study, the open-chain derivatives of bio-originated substance g-valerolactone i.
View Article and Find Full Text PDFDispersive solid phase extraction of apixaban from human plasma samples prior to capillary electrophoresis determination using zirconium-based metal organic frameworks prepared by different modulator and solvent.
J Chromatogr B Analyt Technol Biomed Life Sci
December 2024
Department of Analytical Chemistry, Faculty of Chemistry, University of Tabriz, Tabriz, Iran. Electronic address:
Here, a zirconium-based metal organic framework-dispersive solid phase extraction method was established as an efficient, robust, and accurate approach for quantifying apixabanin human plasma samples prior to capillary electrophoresis with diode array detection. Various types of metal organic frameworks based on UiO-66-NH were synthesized by altering modulators and solvents and applied as sorbents in the extraction procedure. Among the tested sorbents, UiO-66-NH prepared in dimethylformamide in the presence of acetic acid was found to be the best sorbent in this method for the extraction of apixaban with high extraction efficiency comparable to other types of UiO-66-NH metal organic frameworks.
View Article and Find Full Text PDFCalibration free approaches for rapid polymorph discrimination low frequency (THz) Raman spectroscopy.
Chem Commun (Camb)
December 2024
EPSRC Future Continuous Manufacturing and Advanced Crystallisation Research Hub, University of Strathclyde, 99 George Street, Glasgow, G1 1RD, UK.
Application of multivariate curve resolution to non-invasive Raman spectra has been investigated for rapid on-line analysis of crystallisation processes and high-throughput screening. Exploring quantification of mefenamic acid solid forms (form I, form II, and dimethylformamide solvate) from the Raman spectra indicated excellent agreement with off-line X-ray analysis.
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