Results 91 to 100 of about 14,729 (229)

Imidazole Post-Treated Self-Assembled Monolayers for Inverted Perovskite Solar Cells. [PDF]

Adv Sci (Weinh)
A post‐treatment strategy using imidazole derivatives (4,5‐DI and 4,5‐D‐2‐MI) enhances the Me‐4PACz/perovskite interface by improving wettability, promoting perovskite films, and optimizing energy level alignment, resulting in higher efficiency and improved stability in inverted perovskite solar cells.
Ghani I, Tingshu S, Ahmed S, Hongbin Z, Zirun Z, Zhang Y, You P, Muhammad I, Zeguo T, Khan D.   +9 more
europepmc   +2 more sources

N-(9-Ethyl-9H-carbazol-2-yl)-N′-(1-phenylethyl)thiourea

Molbank
Substituted thiourea derivatives represent a structurally diverse group of compounds with high biological activity. In this paper, we present the synthesis of N-(9-ethyl-9H-carbazol-2-yl)-N′-(1-phenylethyl)thiourea by condensation reaction. The structure
Agnieszka Maksymiuk-Kłos, Rafał Słapa, Marek Bartkowiak, Radosław Michalik, Monika Pazura-Turowska, Dorota Szubińska-Lelonkiewicz, Anna Bielenica   +6 more
doaj   +1 more source

Effects of Lycium barbarum Residue Substituting Dietary Maize on Fecal Microbiota and Growth Performance of Crossbred Simmental Cattle

Animal Research and One Health, EarlyView.
The bioactive substances we extracted from Lycium barbarum residue (LBR) have a typical polysaccharide structure. When 1.80% LBR was used to replace maize in the diet, the average daily gain of rossbred Simmental was significantly increased, and anti‐inflammatory ability was improved. In addition, LBR improved the fecal microbial composition, increased
Kun Cai, Mingtan Li, Lihang He, Ning Ma, Haoyu Liu, Chi Xu, Xianhua Wu, Zeguang Xing, Qian Xing, Yuankai Qu, Xi Ma   +10 more
wiley   +1 more source

Research on synthesis of microwave‐assisted heterocyclic compounds with eco‐friendly solvents and transition metals via C–H activation

Bulletin of the Korean Chemical Society, EarlyView.
This review summarizes microwave‐assisted transition‐metal catalysis for constructing N‐ and O‐heterocycles, highlighting rapid C–H and pre‐activated C–X activation, improved selectivity, and green synthetic efficiency. Abstract Microwave‐assisted organic synthesis provides a rapid and sustainable platform for synthesizing various heterocycles ...
Woo‐Jin Park, Ye Ri Han, Hyejeong Lee
wiley   +1 more source

Delayed room temperature phosphorescence enabled by phosphines

Nature Communications
Organic ultralong room-temperature phosphorescence (RTP) usually emerges instantly and immediately decays after excitation removal. Here we report a new delayed RTP that is postponed by dozens of milliseconds after excitation removal and decays in two ...
Guang Lu, Jing Tan, Hongxiang Wang, Yi Man, Shuo Chen, Jing Zhang, Chunbo Duan, Chunmiao Han, Hui Xu   +8 more
doaj   +1 more source

Operational stability of mixed Sn–Pb perovskite solar cells: Mechanisms, mitigation strategies, and perspectives

Bulletin of the Korean Chemical Society, EarlyView.
This review consolidates mechanisms and solutions for mixed Sn–Pb perovskite solar cells. It identifies Sn2+ oxidation, iodine generation, and interfacial defects as primary instabilities. It discusses progress in additives, interface passivation, alternative hole transport layers, and solvent engineering as well as future directions for achieving long‐
Lei Chen, Kai Zhu
wiley   +1 more source

Atomically precise metal cluster enzymes for pathological tissue regeneration

BMEMat, EarlyView.
Schematic illustration of atomically precise metal cluster enzymes (MCEs) for pathological tissue regeneration. Atomically precise MCEs can modulate biological processes, such as attenuation of inflammatory responses, eradication of bacterial pathogens, regulation of angiogenesis, and promotion of cell development.
Ziqiang Xiong, Zhifeng Shi, Mengqing Li, Jien Han, Haoyan Chen, Maofei Ran, Shaojian Zhong, Limin Ma, Chengyun Ning, Youzhun Fan, Zhenghua Tang, Peng Yu   +11 more
wiley   +1 more source

Metal‐Free Covalent Organic Frameworks for Photocatalytic CO2 Reduction

ChemistryEurope, EarlyView.
This review presents an environmentally sustainable strategy to address the critical issue of escalating atmospheric CO2 levels. It explores the application of metal‐free covalent organic frameworks in a photocatalytic approach, offering a green and efficient strategy for carbon dioxide reduction and contributing to climate change mitigation.
Supriti Dutta, Akhtar Alam, Pekham Chakrabortty, Pradip Pachfule   +3 more
wiley   +1 more source

Organophotoredox/Cobalt‐Catalyzed Retro‐Hydroformylation of Aldehydes

ChemistryEurope, EarlyView.
A new photoredox/cobalt retro‐hydroformylation is developed. This one‐pot two‐step process involves the in situ formation of the corresponding 1,4‐dihydropyridine as key intermediate. Under mild reaction conditions, alkenes are efficiently produced from a wide range of aliphatic α‐monosubstituted aldehydes, with high functional‐group tolerance.
Augustin Nouaille, Emmanuel Magnier, Corinne Gosmini, Guillaume Dagousset   +3 more
wiley   +1 more source

Precision Catalysis in Dehydrogenation of Liquid Organic Hydrogen Carriers: Molecular Structure‐Geometry‐Electronic Interplay for Enhanced Hydrogen Evolution

Carbon Energy, EarlyView.
Atomic‐scale design principles for LOHC dehydrogenation: Tailoring geometric and electronic effects in metal catalysts to bridge the molecular structure of LOHC and dehydrogenation performance. ABSTRACT The advancement of hydrogen‐based energy systems necessitates innovative solutions for safe, efficient hydrogen storage and transportation.
Yongxiao Tuo, Jingying Qu, Huailu Sun, Hongwei Gai, Xiangyuan Qu, Junlun Zhu, Xiaohui Sun, De Chen, Xiang Feng   +8 more
wiley   +1 more source