Results 191 to 200 of about 11,127,655 (242)

Covalent Organic Framework Colloids With Core‐Shell Donor/Acceptor Architecture and Ultralong‐Lived Charge‐Separated States

Angewandte Chemie, Volume 138, Issue 43, 19 October 2026.
Uniform core‐shell colloidal particles of Covalent Organic Frameworks (COFs) are synthesized by a seeded growth of electron‐acceptor COF shells on electron‐donor COF cores. The resulting p‐n heterojunction enables efficient separation of photogenerated charges, which persist for minutes. These core‐shell COFs show efficient CO2 photoreduction to CO and
Ting Yu, Cory Ruchlin, Tong Li, Mohammad Hossein Gohari, Zhechang He, Zeina Chamseddine, Chang Wan Kang, Dongling Ma, Dmytro F. Perepichka   +8 more
wiley   +2 more sources

VOCs Adsorption and Exchange Properties in Bispidine‐Based Mn(II) 1D CPs Made of Orthogonally Oriented Linear Chains

Chemistry – A European Journal, Volume 32, Issue 39, 22 October 2026.
Combining the chiral bispidine ligand L1 with MnCl2 affords coordination polymers (CPs) with an unusual topology for this family of compounds, consisting of orthogonally packed ribbon‐like one‐dimensional (1D) chains. Their behavior was investigated through single‐crystal‐to‐single‐crystal exchange with aromatic volatile organic compounds (VOCs) and ...
Meriem Goudjil, Martina Lippi, Sara Camorali, Chiara Pelosi, Alessandro Sayed, Luca Bernazzani, Patrizia Rossi, Paola Paoli, Massimo Cametti   +8 more
wiley   +1 more source

Chirality‐Driven Piezocatalysis in MOFs: Achieving Efficient Cocatalyst‐Free Hydrogen Evolution

Angewandte Chemie, Volume 138, Issue 42, 12 October 2026.
We report a chirality‐driven post‐synthetic modification strategy that grafts chiral L‐histidine (L‐His) onto the Hf6 clusters of MOF‐808(Hf), which significantly boosts the piezoelectricity and charge transfer efficiency, thus significantly enhancing the piezocatalytic performance of MOF‐808(Hf).
Yali Ma, Zhuoran Sun, Haijun Hu, Lingfeng Zhu, Liqun Ye, Hongwei Huang, Xiaodong Sun, Tianyi Ma   +7 more
wiley   +2 more sources

Non-Isothermal Crystallization Kinetics of Silane Crosslinked Polyethylene

Polymer Testing, 2005
Abstract The non-isothermal crystallization kinetics of silane crosslinked polyethylene (SXPE) and dicumyl peroxide (DCP) modified polyethylene (DMPE) were studied by differential scanning calorimetry at different cooling rates. Three methods, namely, the Avrami, the Ozawa, and the Mo, were applied to describe the crystallization process of virgin ...
Zheng-Zhou Wang
exaly   +2 more sources

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Non-isothermal crystallization kinetics study of multi-component oleogels

Food Chemistry, 2022
In this study, the influence of non-isothermal conditions on multi-component oleogel (lecithin, LEC and ceramide, CER) was systematically investigated by rheological characterization, polarized light microscopy, and differential scanning calorimetry. Jeziorny and Mo models were applied to reveal the crystallization behavior.
Bingjie, Hu, Qianwang, Zheng, Zhexi, Weng, Jie, Xiao, Yong, Cao, Yaqi, Lan   +5 more
openaire   +2 more sources

A model for non-isothermal crystallization kinetics

Journal of Non-Crystalline Solids, 1996
Abstract In the framework of a previously proposed Integral Equation formalism, an equation is derived for the kinetics of non-isothermal crystallization (devitrification). It is shown that the Kissinger multiple-scan thermal analysis technique, commonly used for the evaluation of activation energies, cannot be applied to all non-isothermal ...
V. Erukhimovitch, J. Baram
openaire   +1 more source

Kinetics of non-isothermal crystallization of polyethylene and polypropylene

Polymer, 1983
Abstract Differential scanning calorimetry (d.s.c.) data on non-isothermal crystallization of isotactic polypropylene and high-density polyethylene from the melt at different cooling rates were treated in terms of the Ozawa equation. It was found that the crystallization of polypropylene follows the Ozawa equation but in the case of polyethylene the ...
Marek Eder, Andrzej Wlochowicz
openaire   +1 more source

Non-isothermal crystallization kinetics of the Zr50Cu34Al8Ag8 amorphous alloy

Materials Letters, 2022
Abstract The crystallization kinetics of Zr50Cu34Al8Ag8 bulk metallic glass, under non-isothermal condition, is investigated using differential scanning calorimetry. The activation energies for crystallization of the alloy are calculated using the Kissinger and Ozawa equations. The crystallization mechanism of amorphous alloy under continuous heating
Shan Zhang, Chao Wei, Jingwang Lv, Haoran Zhang, Zhilin Shi, Xinyu Zhang, Mingzhen Ma   +6 more
openaire   +1 more source

Non-isothermal crystallization kinetics in xanthan gum biopolymer

AIP Conference Proceedings, 2020
The Crystallization kinetics of Xanthan Gum Bio Polymer is studied by Differential Scanning Calorimetry (DSC) at different heating rates under non-isothermal conditions. The activation energy of crystallization (Ec) is evaluated, using different theoretical models (Starink, Ozawa, Matusita-Sakka, Piloyan and Coats and Redfern).
T. Lilly Shanker Rao, A. M. Shaker, T. Shanker Rao, K. Venkataraman   +3 more
openaire   +1 more source

Non-isothermal crystallization kinetics of As30Te60Ga10 glass

Applied Physics A, 2017
The crystallization study under non-isothermal conditions of As30Te60Ga10 glass was investigated. The studied composition was synthesized by melt-quenching technique and characterized by different techniques such as X-ray powder diffraction (XRD), scanning electron microscopy (SEM) and differential scanning calorimetry (DSC).
Mansour Mohamed, Alaa M. Abd-Elnaiem, R. M. Hassan, M. A. Abdel-Rahim, M. M. Hafiz   +4 more
openaire   +1 more source