Results 191 to 200 of about 34,135 (304)

The Effect of Pore Functionality in Multicomponent Covalent Organic Frameworks on Stable Long‐Term Photocatalytic H2 Production

Advanced Energy Materials, EarlyView.
Five COFs are synthesized through a multicomponent reaction, preserving a similar backbone while introducing varying pore functionalities. All COFs demonstrate excellent chemical stability and sustained H2 production under sunlight for 7‐15 days. The imidazole‐functionalized COF exhibits the highest H2 production, which can be attributed to its high ...
Prasenjit Das, Gouri Chakraborty, Jin Yang, Jérôme Roeser, Hüseyin Küçükkeçeci, Anh Dung Nguyen, Michael Schwarze, Jose Gabriel, Christopher Penschke, Shengjun Du, Vincent Weigelt, Islam E. Khalil, Johannes Schmidt, Peter Saalfrank, Martin Oschatz, Jabor Rabeah, Reinhard Schomäcker, Franziska Emmerling, Arne Thomas   +18 more
wiley   +1 more source

Homoepitaxial growth of isotopically enriched h¹⁰BN layers on h¹¹BN crystals by high-temperature molecular beam epitaxy. [PDF]

NPJ 2D Mater Appl
Bradford J, Collins AFM, Cheng TS, Shen J, Kerfoot J, Rance GA, Li J, Mellor CJ, Beton PH, Cassabois G, Dai S, Edgar JH, Novikov SV.   +12 more
europepmc   +1 more source

Appraisal of the 15N-isotope dilution and 15N natural abundance methods for quantifying nitrogen fixation by flood-tolerant green manure legumes

, 2006
EA Somado, RF Kuehne
openalex   +1 more source

Characterization of Organic Nitrogen by Chlorination, Ozonation, and Stable Isotope Analysis of Nitrate

Jiwoon Ra, Kun Huang, Joachim Mohn, Thomas B. Hofstetter, Elisabeth Muck, Urs von Gunten   +5 more
openalex   +1 more source

Assessment of Primary Production in a Eutrophic Lake from Carbon and Nitrogen Isotope Ratios of a Carnivorous Fish (A Pond Smelt).

, 1991
Takahito Yoshioka
openalex   +2 more sources

Decoding Short‐Range Order in Amorphous Two‐Dimensional Nanosheets for Efficient and Durable Ampere‐Level Seawater Electrolysis: A Case Study of Amorphous Ni(OH)2

Advanced Energy Materials, EarlyView.
This work uncovers the atomic‐scale origins of exceptional HER performance in amorphous Ni(OH)2 nanosheets by combining atom probe tomography, DFT simulations, and operando spectroscopy. We identify distinct short‐range‐order motifs that accelerate water dissociation, proton transport, and hydrogen adsorption. Embedding Pt single atoms further enhances
Xin Geng, Xiaolong Lu, Zhi Mei, Zhenyu Wang, Baptiste Gault   +4 more
wiley   +1 more source

Carbon and Nitrogen Stable Isotopic Profiling of Chimpanzees and Monkeys in Kalinzu Forest Reserve, Uganda. [PDF]

Am J Primatol
Tsutaya T, Aruga N, Ishikawa NF, Sasaki Y, Kitayama H, Yoneda M, Ogawa NO, Ohkouchi N, Hashimoto C.   +8 more
europepmc   +1 more source

Aqueous Lithium Hydroxide Chemistry Based on Hierarchically Assembled Hydrogenated Borophene/Cobalt‐Nickel Compounds for Rechargeable High‐Performance Supercapattery

Advanced Energy Materials, EarlyView.
Aqueous lithium‐ion storage has been demonstrated using a hierarchically assembled hydrogenated borophene/cobalt‐nickel compound as a supercapattery electrode. Reducible hydrogenated borophene generates undercoordinated oxygen, which is redox‐active for lithiation and hydrogenation during the discharging process following the lithium hydroxide ...
Seunghwan Jo, Ozden Gunes Yildiz, Hyun‐Sik Kim, Liting Zhang, Ki Hoon Shin, Seong Hyeok Kwon, Keon Beom Lee, Paul Simon, Umut Aydemir, Ghim Wei Ho, Jung Inn Sohn   +10 more
wiley   +1 more source

Stable BF2 Boracycles as Versatile Reagents for Selective Ortho C–H Functionalization

Angewandte Chemie, EarlyView.
We report a robust, metal‐free and scalable synthesis of stable BF2 boracycles via directed ortho CH borylation, delivering isolable, shelf‐stable reagents without chromatographic purification. These BF2 boracycles exhibit unique and tunable reactivity, enabling highly selective ipso‐functionalization across a broad range of transformations.
Ganesh H. Shinde, Jonatan Babiker, Michelle Mebrahtu, Anaïs Prigent, Gauthier Foucras, Yogesh N. Aher, Francoise M. Amombo Noa, Magnus J. Johansson, Janez Košmrlj, Ross D. Jansen‐van Vuuren, Thomas Cailly, Henrik Sundén   +11 more
wiley   +2 more sources

Seawater intrusion regulates microbial community structure and functional potential in subterranean estuaries of the Yangtze River. [PDF]

Front Microbiol
Zhao Y, Li D.
europepmc   +1 more source