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Effects of dichlorobenzene, toluene, benzene and formaldehyde chemicals on Drosophila melanogaster mortality.
Environ Geochem Health
December 2024
School of Mechanical Engineering, Tongji University, Shanghai, 200092, China.
Environmental exposures to volatile organic compound (VOC) mixtures have received increasing attention, yet the risks are under studied. This study aimed to explore the risks of combined exposures to several commonly detected VOCs and to draw attention to the necessity of studying long-term and low-concentration environmental exposure patterns. In this study, we examined the effects of long-term and low-concentration exposures to VOCs like 1,2-dichlorobenzene, benzene, toluene and formaldehyde either alone or in combination on D.
View Article and Find Full Text PDFIsomerization-Controlled Aggregation in Photoactive Layer: An Additive Strategy for Organic Solar Cells with Over 19.5 % Efficiency.
Angew Chem Int Ed Engl
December 2024
School of Materials, Shenzhen Campus of Sun Yat-sen University, No. 66, Gongchang Road, Guangming District, Shenzhen, Guangdong, 518107, China.
Morphology control of the photoactive layer is crucial for achieving high-performance organic solar cells (OSCs), yet it remains a significant challenge in this field. One effective approach is the additive strategy, which fine-tunes the morphology of the photoactive layer. However, the underlying mechanisms governing the impact of different types of additives from liquid, solid, to volatile solid, on the bulk heterojunction morphology and device performance are not fully understood.
View Article and Find Full Text PDFHole-Transport-Layer-Free Organic Solar Cells with Enhanced Efficiency Upon Halogenated Solvent Treatment.
Small
December 2024
The Institute for Advanced Studies, Wuhan University, Wuhan, 430072, China.
Article Synopsis
- Typical PEDOT:PSS hole-transporting layers have issues like energy level mismatches and high acidity that decrease device performance.
- An innovative method involves treating indium tin oxide (ITO) substrates with halogenated solvents, leading to four distinct types of ITO anodes with improved physical properties.
- The new ITO anodes show increased work functions and better power conversion efficiencies in organic photovoltaic devices compared to traditional ITO/PEDOT:PSS, demonstrating the potential for more efficient solar energy solutions.
Degradation study of δ-hexachlorocyclohexane by iron sulfide nanoparticles: Elucidation of reaction pathway using compound specific isotope analysis and pH variation.
Environ Pollut
January 2025
Aix-Marseille University - Environmental Chemistry Laboratory (LCE), UMR 7376, 3 place Victor Hugo - Case 29, 13331, Marseille Cedex 3, France.
pH influences the reactivity of iron (II) minerals towards halogenated pollutants like hexachlorocyclohexanes (HCHs). To explore these incompletely understood interactions, we investigated the carbon isotope fractionation of the δ-HCH isomer during dehalogenation by iron sulfide at pHs spanning a pH range across slightly acidic to alkaline domains (5.8-9.
View Article and Find Full Text PDFPalladium-catalyzed regioselective carbonylation of 2-amino-2,3-diphenylpropanoate to 5/6-membered benzolactams.
Org Biomol Chem
October 2024
School of Pharmacy, Changzhou University, Changzhou, 213164, P. R. China.
Five/six-membered benzolactams are significant blocks in both organic and medicinal chemistry. Achieving 5/6-membered benzolactams from the same starting compound under varying reaction conditions presents a significant challenge. Herein, palladium-catalyzed free amine-oriented regioselective C-H activations/carbonylations mediated by hexacarbonylmolybdenum, leading to diverse sizes of benzolactams, respectively, have been developed.
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