Results 111 to 120 of about 82,764 (294)

Synergistic Spin‐Polarization and Single‐Atom Engineering in Magnetic Heterojunctions for Efficient Solar Water Splitting

Advanced Science, EarlyView.
High‐throughput screening led to the identification of 67 Z‐scheme heterojunctions (comprising 2D magnetic transition metal halides and non‐magnetic transition metal chalcogenides). For CrI3/MoTe2 and CrI3/WTe2, electronic structure analysis demonstrated that synergistic crystallographic point group and built‐in electric field effects generate a ...
Hongyang Ren, Zhenzhou Guo, Huirong Wu, Peilin Huang, Jie Yang, Jie Zhang, Guangqian Ding, Hongkuan Yuan, Biao Wang   +8 more
wiley   +1 more source

Catalytic hydrodeoxygenation of jatropha oil into green diesel over natural zeolite-supported cobalt catalyst: Insight into Co concentration effect

Case Studies in Chemical and Environmental Engineering
Renewable and environmentally friendly fuels such as green diesel are increasingly important to ensure energy security and maintain ecological balance.
Isalmi Aziz, Dewi Ayu Kusumaningsih, Lutfiah Amalia Putri, Teuku Rizky Ollaf Ramadhan Syah, Nanda Saridewi, Agus Rimus Liandi, Adid Adep Dwiatmoko, Muhammad Ridwan, Lisa Adhani   +8 more
doaj   +1 more source

MetalCenter‐Dependent Selectivity Divergence in MN4 Single‐Atom Catalysts for Aerobic HMF Oxidation

Advanced Science, EarlyView.
Two single‐atom catalysts with M‐N4 configurations (FeN4 and CoN4) were developed for selective HMF oxidation. FeN4 achieves 93.9% selectivity toward FFCA via superoxide anions (O2•−), while CoN4 preferentially produces FDCA through hydroxyl radicals (•OH). DFT calculations reveal that distinct adsorption energies and charge redistribution at the metal
Haoyu Wang, Zhilong Ye, Weihao Wang, Zhi Hu, Qing Tian, Jie Gao, Lianbing Zhang   +6 more
wiley   +1 more source

Sustainable Materials Design With Multi‐Modal Artificial Intelligence

Advanced Science, EarlyView.
Critical mineral scarcity, high embodied carbon, and persistent pollution from materials processing intensify the need for sustainable materials design. This review frames the problem as multi‐objective optimization under heterogeneous, high‐dimensional evidence and highlights multi‐modal AI as an enabling pathway.
Tianyi Xu, Tianshuo Wei, Yan Ge, Bo Peng, Yue Li, Maolin Wang, Peng Wen, Chao Yang, Ye Wei   +8 more
wiley   +1 more source

Synthesis of cobalt doped titania nano material assisted by gemini surfactant: Characterization and application in degradation of Acid Red under visible light irradiation

South African Journal of Chemical Engineering, 2017
The present work focuses on the synthesis of cobalt doped titania nano material assisted by 1,4-butane sultone anionic gemini surfactant: Co2+-TiO2 (with surfactant). The synthesized nano catalysts were characterized by XRD, UV–Vis DRS, XPS, SEM, FT-IR,
Radha Devi Chekuri, Siva Rao Tirukkovalluri   +1 more
doaj   +1 more source

Smart Nanotechnologies for Multimodal Neuromodulation and Brain Interfacing

Advanced Science, EarlyView.
Recent advances in smart nanotechnologies are expanding the toolbox for brain interfacing, from wireless neuromodulation and high‐resolution sensing to targeted delivery within the central nervous system. By combining responsive nanomaterials with bioinspired design, these platforms enable multimodal interactions with neurons and glia, while also ...
Tommaso Curiale, Marie Celine Lefevre, Alessio Carmignani, Maria Cristina Ceccarelli, Matteo Battaglini, Attilio Marino, Gianni Ciofani   +6 more
wiley   +1 more source

Structure of cobalt sulfide phase in carbon-supported cobalt and cobalt-molybdenum sulfide catalysts

, 1989
An X-Ray absorption spectroscopy study has been carried out on a carbon-supported Co and Co-Mo sulfide catalyst, the latter consisting of a fully sulfided Co-Mo-S (type II) phase. Detailed information on the structure of the cobalt sulfide phase is obtained by comparing the EXAFS and XANES spectra of the catalysts with those of Co9S8 and CoS2 reference
Koningsberger, D.C., Bouwens, S.M.A.M., Beer, V.H.J. de, Prins, R.   +3 more
openaire   +2 more sources

3D‐Printed Metal‐Supported MOF‐Heteropoly Acid Nanozyme for High‐Performance Peroxidase‐Mimic Activity and Ultra‐Sensitive Glucose Detection

Advanced Science, EarlyView.
A hierarchically structured Fe‐BTC‐PMA immobilized 3D‐printed platform is engineered as a robust artificial enzyme for colorimetric glucose sensing. The hybrid architecture efficiently activates H2O2 to drive TMB oxidation. This integrated system enables sensitive, reusable, and scalable detection with enhanced catalytic stability and analytical ...
Paramita Koley, Ranjithkumar Jakku, Subhash Chandra Shit, Jang Mee Lee, Guy N. L. Jameson, Tayebeh Hosseinnejad, Selvakannan Periasamy, Deshetti Jampaiah, Amrit Raj Paul, Ylias Sabri, Suresh K. Bhargava   +10 more
wiley   +1 more source

Separation of cobalt from spent catalyst CoMo by precipitation and Ion exchange techniques

Ibn Al-Haitham Journal for Pure and Applied Sciences, 2017
Two methods were established to separate cobalt from the spent catalyst CoMo which also contain Co, Al and Fe. The first method was the precipitation technique by controlling the pH.
H.H. Al-Taweel, M.J. Ali, K.M. Al-Azawi
doaj  

Preparation of a Novel Super Active Fischer-Tropsch Cobalt Catalyst Supported on Carbon Nanotubes [PDF]

Iranian Journal of Chemistry & Chemical Engineering, 2009
The potential of carbon nanotubes (CNT) supported cobalt catalysts for Fischer-Tropsch (FT) reaction is shown. Using the wet impregnation method cobalt on carbon nanotubes catalysts were prepared with cobalt loading varying from 15 to 45 wt. %.
Ahmad Tavasoli, Mohammad Irani, Ali Nakhaeipour, Yadollah Mortazavi, Abas Ali Khodadadi, Ajay K. Dalai   +5 more
doaj