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Evidence of the contribution of molecular fluorophores to the luminescence of carbon entities formed by solvothermal treatment of trinitropyrene.
RSC Adv
December 2024
ICSM, University Montpellier, CEA, CNRS, ENSCM 30207 Marcoule France
Carbon dots are a subset of carbon nanomaterials with fluorescent properties that render them attractive for various potential applications such as bioimaging and sensing. The past years saw significant progress being made in the understanding of the formation and the underlying fluorescent property. Nevertheless, efforts are still necessary to unravel the formation of carbon dots and the origin of their luminescence, especially for new types of precursor material such as polycyclic aromatic compounds.
View Article and Find Full Text PDFAn overview of extraction, isolation and characterization techniques of phytocompounds from medicinal plants.
Nat Prod Res
November 2024
Central Ayurveda Research Institute, CCRAS, Ministry of Ayush, Kolkata, India.
Medicinal plants have been used since time immemorial for the treatment of many types of diseases along with epidemics. They show many biological activities like anti-inflammatory, antioxidant, anti-insecticidal, antibiotic, anti-parasitic, anti-hemolytic properties etc. Different types of bioactive compounds, present in the medicinal plants, play a key role in prevention of diseases and also used for manufacturing medicines.
View Article and Find Full Text PDFMolecular models of PM6 for non-fullerene acceptor organic solar cells: How DAD and ADA structures impact charge separation and charge recombination.
J Chem Phys
November 2024
Department of Applied Chemistry, Graduate School of Engineering, Osaka University, 2-1 Yamadaoka, Suita, Osaka 565-0871, Japan.
The quadrupole moment of a non-fullerene acceptor (NFA) generated by the constituent electron donor (D) and acceptor (A) units is a significant factor that affects the charge separation (CS) and charge recombination (CR) processes in organic photovoltaics (OPVs). However, its impact on p-type polymer domains remains unclear. In this study, we synthesized p-type molecules, namely acceptor-donor-acceptor (ADA) and donor-acceptor-donor (DAD), which are components of the benchmark PM6 polymer (D: benzodithiophene and A: dioxobenzodithiophene).
View Article and Find Full Text PDFThermophysical Properties' Enhancement of LiNO-NaNO-KNO-NaNO-KNO Mixed with SiO/MgO Nanoparticles.
Materials (Basel)
September 2024
School of Energy and Electrical Engineering, Qinghai University, Xining 810016, China.
The aim of this study is to further enhance the thermal storage and heat transfer performances of a low-melting-point quinary salt. The eutectic salt was prepared using LiNO, NaNO, KNO, NaNO, and KNO as raw materials, followed by the doping of nano-SiO and nano-MgO into the base salt using a microwave-assisted method. The thermal properties of the samples were analyzed using a Synchronous Thermal Analyzer and a Laser Flash Apparatus.
View Article and Find Full Text PDFAn n-type semiconducting diazaporphyrin-based hydrogen-bonded organic framework.
Chem Sci
August 2024
Department of Molecular and Macromolecular Chemistry, Graduate School of Engineering, Integrated Research Consortium on Chemical Science (IRCCS), Nagoya University Furo-cho, Chikusa-ku Nagoya 464-8603 Japan
Significant effort has been devoted to the development of materials that combine high electrical conductivity and permanent porosity. This paper discloses a diazaporphyrin-based hydrogen-bonded organic framework (HOF) with porosity and n-type semiconductivity. A 5,15-diazaporphyrin Ni(ii) complex with carboxyphenyl groups at the positions afforded a HOF due to hydrogen-bonding interactions between the carboxy groups and -nitrogen atoms.
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