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Retraction notice to "MXenes based nano-heterojunctions and composites for advanced photocatalytic environmental detoxification and energy conversion: A review" [Chemosphere 291 (2022) 132923]

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Chemosphere 2025年 370卷 143839页

作者： Sunil Kumar Sharma Amit Kumar Gaurav Sharma Dai-Viet N Vo Alberto García-Peñas Omid Moradi Mika Sillanpää School of Advance Chemical Sciences Shoolini University Solan Himachal Pradesh 173229 India. College of Materials Science and Engineering Shenzhen Key Laboratory of Polymer Science and Technology Guangdong Research Center for Interfacial Engineering of Functional Materials Nanshan District Key Laboratory for Biopolymers and Safety Evaluation Shenzhen University Shenzhen 518060 PR China International Research Centre of Nanotechnology for Himalayan Sustainability (IRCNHS) Shoolini University 173229 India School of Science and Technology Glocal University Saharanpur India. International Research Centre of Nanotechnology for Himalayan Sustainability (IRCNHS) Shoolini University 173229 India. Center of Excellence for Green Energy and Environmental Nanomaterials (CE@GrEEN) Nguyen Tat Thanh University 300A Nguyen Tat Thanh District 4 Ho Chi Minh City 755414 Viet Nam. University Carlos III of Madrid Av. de la Universidad 3028911 Leganés Madrid Spain. Department of Chemistry Shahr-e-Qods Branch Islamic Azad University Tehran Iran. Environmental Engineering and Management Research Group Ton Duc Thang University Ho Chi Minh City Viet Nam Faculty of Environment and Labour Safety Ton Duc Thang University Ho Chi Minh City Viet Nam.

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Effect of TPU soft segment molecular weight on TPU’s bead foaming behavior

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AIP Conference Proceedings 2020年第1期2205卷

作者： Bige Bati Emine Bursa Kucuk Mohammadreza Nofar Polymer Science and Technology Program Istanbul Technical University Maslak Istanbul 34469 Turkey Metallurgical & Materials Engineering Department Faculty of Chemical and Metallurgical Engineering Istanbul Technical University Maslak Istanbul 34469 Turkey

The bead foaming behavior of three different thermoplastic polyurethane (TPU) samples with different polyol soft-segment molecular weights was investigated through a lab-scale bead foaming reactor. These TPU samples possessed similar hard-segment content and soft-segment molecular weights of 1000, 2000, and 3500 g/mol. The evolution of the hard-segment crystallization during the isothermal saturation as well as the increased solubility of supercritical CO2 within the soft-segment region are, respectively, determinative parameters on improving the heterogeneous cell nucleation and expansion of the expanded TPU (ETPU) bead foams. The effect of saturation temperature, pressure, and time on the hard-segment crystallization and hence on the foaming behavior of TPU samples were explored. The results showed that the increase in soft-segment molecular weight increased the expansion ratio of the bead foams while the processing parameters differently influenced the hard-segment crystallization and CO2 solubility and hence the foaming behavior of ETPU foams.

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Correction: Rapid kinetic evaluation of homogeneous single-site metallocene catalysts and cyclic diene: how do the catalytic activity, molecular weight, and diene incorporation rate of olefins affect each other?

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RSC advances 2021年第53期11卷 33301页

作者： Amjad Ali Muhammad Nadeem Jianwei Lu Jamile Mohammadi Moradian Tahir Rasheed Tariq Aziz Chanez Maouche Yintian Guo Muhammad Awais Fan Zhiqiang Li Guo Research School of Polymeric Materials Science & Engineering Jiangsu University Zhenjiang 212013 PR China liguo@***. Department of Environmental Engineering Wuhang University of Technology Wuhan 430223 PR China. Interdisciplinary Research Center for Advanced Materials King Fahd University of Petroleum and Minerals Dhahran 31261 Saudi Arabia. Research Center of Fluid Machinery Engineering and Technology Jiangsu University Zhenjiang 212013 PR China. MOE Key Laboratory of Macromolecular Synthesis and Functionalization Department of Polymer Science and Engineering Zhejiang University Hangzhou 310027 PR China.

[This corrects the article DOI: 10.1039/D1RA06243C.].

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The ENUF method-ewald summation based on non-uniform fast fourier transform: Implementation, parallelization, and application

arXiv

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arXiv 2020年

作者： Yang, Sheng-Chun Li, Bin Zhu, You-Liang Laaksonen, Aatto Wang, Yong-Lei School of Computer Science Northeast Electric Power University Jilin132012 China School of Chemical Engineering and Technology Sun Yat-sen University Zhuhai519082 China State Key Laboratory of Polymer Physics and Chemistry Changchun Institute of Applied Chemistry Chinese Academy of Sciences Changchun130022 China Department of Materials and Environmental Chemistry Arrhenius Laboratory Stockholm University StockholmSE-10691 Sweden State Key Laboratory of Materials-Oriented and Chemical Engineering Nanjing Tech University Nanjing210009 China Centre of Advanced Research in Bionanoconjugates and Biopolymers Petru Poni Institute of Macromolecular Chemistry Aleea Grigore Ghica-Voda 41A Iasi700487 Romania Department of Engineering Sciences and Mathematics Division of Energy Science Lulea University of Technology LuleaSE-97187 Sweden

Computer simulations of model systems are widely used to explore striking phenomena in promising applications spanning from physics, chemistry, biology, to materials science and engineering. The long range electrostatic interactions between charged particles constitute a prominent factor in determining structures and states of model systems. How to effciently calculate electrostatic interactions in model systems subjected to partial or full periodic boundary conditions has been a grand challenging task. In the past decades, a large variety of computational schemes have been proposed, among which the Ewald summation method is the most reliable route to accurately deal with electrostatic interactions in model systems. In addition, extensive effort has been done to improve computational effciency of the Ewald summation based methods. Representative examples are approaches based on cutoffs, reaction fields, multi-poles, multi-grids, and particle-mesh schemes. We sketched an ENUF method, an abbreviation for the Ewald summation method based on Non-Uniform fast Fourier transform technique, and have implemented this method in particlebased simulation packages to calculate electrostatic energies and forces at microand mesoscopic levels. Extensive computational studies of conformational properties of polyelectrolytes, dendrimer-membrane complexes, and ionic uids demonstrated that the ENUF method and its derivatives conserve both energy and momentum to oating point accuracy, and exhibit a computational complexity of O(N logN) with optimal physical parameters. These ENUF based methods are attractive alternatives in molecular simulations where high accuracy and effciency of simulation methods are needed to accelerate calculations of electrostatic interactions at extended spatiotemporal scales. Copyright © 2020, The Authors. All rights reserved.

关键词： Electrostatics

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The Effect of Zinc Stearate Modification on Aging Characteristics of Asphalt Binder 7

The Effect of Zinc Stearate Modification on Aging Characteri...

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7th International Conference on Advanced Materials and Structures, AMS 2018

作者： Hajikarimi, P. Shahsavari, H. Rahi, M. Sharif, F. Nejad, F.M. Department of Civil and Environmental Engineering Amirkabir University of Technology Hafez Avenue Tehran Iran Narmak Department of Civil Engineering Iran University of Science and Technology Tehran Iran Shahid Tondgooyan Blvd. RandD Department Pasargad Oil Company Tehran Iran Department of Polymer and Color Engineering Amirkabir University of Technology Hafez Avenue Tehran Iran

Different types of modifiers have been investigated to improve aging characteristics of asphalt binders. In this research, the effect of zinc stearate modification has been studied on aging resistance of asphalt binder. For this purpose, viscous flow properties and other rheological characteristics of neat and modified asphalt binders have been evaluated by using conventional experimental tests and superpave protocol test. In order to evaluate rheological behavior of asphalt binder in presence of zinc stearate, a neat asphalt binder sample with three modified samples containing 0.5, 1 and 2 wt% of zinc stearate were aged by means of the Rolling Thin Film Oven Test (RTFOT). The Brookfield rotational viscosity (RV) was implemented at six different temperatures from 100 to 200 degree of centigrade. Furthermore, the dynamic shear rheometer (DSR) was used for evaluating complex modulus (G∗) and phase angle (δ) of all neat and modified samples at 10, 20, 30, 40, 50 and 60°C in frequency sweep mode. To evaluate effect of adding zinc stearate by using viscosity results, proportion of asphalt binder's viscosity after aging to its viscosity before aging was defined as viscosity aging index (VAI). Results showed that adding zinc stearate to neat asphalt binder reduces the viscosity aging index. Results of frequency sweep test indicated that zinc stearate causes the values of complex shear modulus in aging asphalt binder approach to neat state which means the effect of zinc stearate modification is positive for improving aging resistance of asphalt binder. © Published under licence by IOP Publishing Ltd.

关键词： Viscosity

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2D Transition Metal Dichalcogenides for Photocatalysis

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Angewandte Chemie 2023年第13期135卷

作者： Ruijie Yang Yingying Fan Yuefeng Zhang Liang Mei Prof. Dr. Rongshu Zhu Prof. Dr. Jiaqian Qin Prof. Dr. Jinguang Hu Prof. Dr. Zhangxing Chen Prof. Dr. Yun Hau Ng Prof. Dr. Damien Voiry Prof. Dr. Shuang Li Prof. Dr. Qingye Lu Prof. Dr. Qian Wang Prof. Dr. Jimmy C. Yu Prof. Dr. Zhiyuan Zeng Department of Materials Science and Engineering State Key Laboratory of Marine Pollution City University of Hong Kong 83 Tat Chee Avenue Kowloon Hong Kong 999077 P. R. China Department of Chemical and Petroleum Engineering University of Calgary 2500 University Drive NW Calgary Alberta T2N 1N4 Canada Contribution: Writing - original draft (lead) Writing - review & editing (equal) Contribution: Writing - review & editing (equal) Contribution: Writing - review & editing (supporting) State Key Lab of Urban Water Resource and Environment School of Civil and Environmental Engineering Harbin Institute of Technology Shenzhen Shenzhen 518055 P. R. China Center of Excellence in Responsive Wearable Materials Metallurgy and Materials Science Research Institute Chulalongkorn University Bangkok 10330 Thailand Low-Carbon and Climate Impact Research Centre School of Energy and Environment City University of Hong Kong 83 Tat Chee Avenue Kowloon Hong Kong SAR P. R. China Institut Européen des Membranes IEM UMR 5635 Université Montpellier ENSCM CNRS Montpellier France College of Polymer Science and Engineering State Key Laboratory of Polymer Materials Engineering Sichuan University Chengdu China Graduate School of Engineering Nagoya University Furo-cho Chikusa-ku Nagoya 464-8603 Japan Institute for Advanced Research Nagoya University Furo-cho Chikusa-ku Nagoya 464-8601 Japan Department of Chemistry and Materials Science and Technology Research Centre The Chinese University of Hong Kong Shatin New Territories Hong Kong 999077 China Shenzhen Research Institute City University of Hong Kong Shenzhen 518057 China Contribution: Writing - original draft (equal) Writing - review & editing (lead)

Two-dimensional (2D) transition metal dichalcogenides (TMDs), a rising star in the post-graphene era, are fundamentally and technologically intriguing for photocatalysis. Their extraordinary electronic, optical, and chemical properties endow them as promising materials for effectively harvesting light and catalyzing the redox reaction in photocatalysis. Here, we present a tutorial-style review of the field of 2D TMDs for photocatalysis to educate researchers (especially the new-comers), which begins with a brief introduction of the fundamentals of 2D TMDs and photocatalysis along with the synthesis of this type of material, then look deeply into the merits of 2D TMDs as co-catalysts and active photocatalysts, followed by an overview of the challenges and corresponding strategies of 2D TMDs for photocatalysis, and finally look ahead this topic.

关键词： 2D TMDs Active Photocatalyst Cocatalyst MoS2 Photocatalysis

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Hierarchical Structures: programmable Building Blocks via Internal Stress engineering for 3D Collective Assembly (Adv. Mater. Technol. 12/2020)

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Advanced Materials Technologies 2020年第12期5卷 2070070-2070070页

作者： Woongbi Cho Dong Yoon Hahm Jae Ha Yim Jun Hee Lee Yun Ju Lee Dong‐Gyun Kim Yong Seok Kim Jeong Jae Wie Program in Environmental and Polymer Engineering Department of Polymer Science and Engineering Inha University 100 Inha‐ro Michuhol‐gu Incheon 22212 Republic of Korea Incheon Academy of Science and Arts 192 Academy‐ro Yeonsu‐gu Incheon 22009 Republic of Korea Chemical Materials Solutions Center Korea Research Institute of Chemical Technology 141 Gajeong‐ro Yuseong‐gu Daejeon 34114 Republic of Korea

In article number 2000758, Jeong Jae Wie and co‐workers present a nature‐inspired collective assembly of precisely designed 3D building blocks for scaled‐up hierarchical 3D architectures. The precise dimension control of 3D building blocks is successfully progressed by controlling the spatio‐temporal effect composed of fractal elements throughout the stages of fabrication. The concept of collective assembly extends the morphological diversity of the 3D structures and presents a construction of creatively assembled structures.

关键词： collective assembly hierarchical structures internal stress photopolymerization shape‐morphing

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Corrigendum to "Enhanced anaerobic digestion performance by two artificially constructed microbial consortia capable of woody biomass degradation and chlorophenols detoxification" [J. Hazard. Mater 389 (2020) 122076]

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Journal of hazardous materials 2021年 405卷 124326页

作者： Sameh S Ali Michael Kornaros Alessandro Manni Jianzhong Sun Abd El-Raheem R El-Shanshoury El-Refaie Kenawy Maha A Khalil Biofuels Institute School of the Environment and Safety Engineering Jiangsu University Zhenjiang 212013 China Botany Department Faculty of Science Tanta University Tanta 31527 Egypt. Laboratory of Biochemical Engineering & Environmental Technology (LBEET) Department of Chemical Engineering University of Patras 1 Karatheodori Str. University Campus 26504 Patras Greece. Department of Industrial Engineering University of Rome Tor Vergata Italy. Biofuels Institute School of the Environment and Safety Engineering Jiangsu University Zhenjiang 212013 China. Polymer Research Group Department of Chemistry Faculty of Science Tanta University Tanta 31527 Egypt. Botany Department Faculty of Science Tanta University Tanta 31527 Egypt Department of Biology College of Science Taif University P.O. Box 11099 Taif 21944 Saudi Arabia.

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Magnetic Nanocoils: Remote Control of Time-Regulated Stretching of Ligand-Presenting Nanocoils In Situ Regulates the Cyclic Adhesion and Differentiation of Stem Cells (Adv. Mater. 11/2021)

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Advanced Materials 2021年第11期33卷

作者： Sunhong Min Min Jun Ko Hee Joon Jung Wonsik Kim Seong-Beom Han Yuri Kim Gunhyu Bae Sungkyu Lee Ramar Thangam Hyojun Choi Na Li Jeong Eun Shin Yoo Sang Jeon Hyeon Su Park Yu Jin Kim Uday Kumar Sukumar Jae-Jun Song Seung-Keun Park Seung-Ho Yu Yun Chan Kang Ki-Bum Lee Qiang Wei Dong-Hwee Kim Seung Min Han Ramasamy Paulmurugan Young Keun Kim Heemin Kang Department of Materials Science and Engineering Korea University Seoul 02841 Republic of Korea Department of Materials Science and Engineering Northwestern University Evanston IL 60208 USA International Institute for Nanotechnology Evanston IL USA NUANCE Center Northwestern University Evanston IL USA Department of Materials Science and Engineering Korea Advanced Institute of Science and Technology Daejeon 34141 Republic of Korea KU-KIST Graduate School of Converging Science and Technology Korea University Seoul 02841 Republic of Korea Department of Otorhinolaryngology-Head and Neck Surgery Korea University College of Medicine Seoul 08308 Republic of Korea Department of Radiology Molecular Imaging Program at Stanford Stanford University School of Medicine Stanford University Palo Alto CA 94304 USA Department of Chemical Engineering Kongju National University Cheonan 31080 Republic of Korea Department of Chemical and Biological Engineering Korea University Seoul 02841 Republic of Korea Department of Chemistry and Chemical Biology Rutgers University Piscataway NJ 08854 USA College of Polymer Science and Engineering State Key Laboratory of Polymer Materials and Engineering Sichuan University Chengdu 610065 China Department of Radiology Canary Center at Stanford for Cancer Early Detection Stanford University School of Medicine Stanford University Palo Alto CA 94304 USA Department of Biomicrosystem Technology Korea University Seoul 02841 Republic of Korea

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High Electric Field Conduction of polymers at Ambient and Elevated Temperatures

High Electric Field Conduction of Polymers at Ambient and El...

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Conference on Electrical Insulation and Dielectric Phenomena, (CEIDP)

作者： Chao Wu Zongze Li Lihua Chen Ajinkya Deshmukh Yifei Wang Rampi Ramprasad Gregory A. Sotzing Yang Cao Department of Electrical and Computer Engineering University of Connecticut Storrs CT United States School of Materials Science and Engineering Georgia Institute of Technology Atlanta GA United States Polymer Program University of Connecticut Storrs CT United States Electrical Insulation Research Center Institute of Materials Science University of Connecticut Storrs CT United States

ISBN: (数字)9781728131214

ISBN: (纸本)9781728131221

The next generation electrical-power and electronic systems with wide band gap semiconductors require thin dielectric films operating under the extreme electric field at elevated temperatures. Here we investigated the conduction properties under high electric field up to 450 MV/m for biaxially oriented polypropylene (BOPP), which is the state-of-the-art commercially available polymer for capacitive applications, as well as three high-temperature polymers poly(ether ether ketone)(PEEK), poly(etherimide)(Ultem) and polyimide(Kapton). Further analysis was performed based on the hopping conduction mechanism. At elevated temperature, the increased thermally-assisted excitation energy gave rise to an increase of the hopping distance. It is argued that the large band gap provided a higher energy barrier to the charge hopping. If the band gap is large enough, the tunneling process dominated the charge transport, i.e., the case of BOPP. For high-temperature applications, both the thermal stability and large band gap are required in order to suppress the temperature and electric field dependent conduction.

关键词： Plastics Photonic band gap Electric fields Temperature measurement Thermal stability Current measurement Temperature

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