Article
Engineering, Environmental
Chang Soo Lee, Juyoung Moon, Jung Tae Park, Jong Hak Kim
Summary: In this study, the challenging issue of incorporating two-dimensional nanofillers into thin-film mixed-matrix membranes has been addressed by a surface modification technique. The modified membrane showed excellent CO2 permeance and selectivity, indicating its potential for commercial applications.
CHEMICAL ENGINEERING JOURNAL
(2023)
Article
Engineering, Mechanical
Lei Sun, Ming Cao, Fan Xiao, Jiaopeng Xu, Yingbo Chen
Summary: The use of POSS functionalized graphene oxide in the fabrication of PA6/reduced GO-POSS nanocomposites results in a significant decrease in friction coefficient and wear rate, with improved interface bonding strength.
TRIBOLOGY INTERNATIONAL
(2021)
Article
Materials Science, Multidisciplinary
Sebastian Leaper, Edgardo Oscar Avendano Caceres, Jose Miguel Luque-Alled, Sarah H. Cartmell, Patricia Gorgojo
Summary: The study demonstrates the high removal rates of inorganic arsenic from water using PVDF membranes enhanced by functionalized graphene oxide, showing potential for applications in areas with arsenic-contaminated groundwater. The enhanced membranes exhibited higher flux and stability, as well as improved permeate quality, compared to commercial PTFE membranes.
ACS APPLIED POLYMER MATERIALS
(2021)
Article
Chemistry, Physical
Fengyuan Zhang, Shuo Wang, Weiqu Liu, Hongyi Shi, Liyan Liang, Chunhua Liu, Ke Pi, Wenchao Zhang, Juanjuan Zeng
Summary: This paper explores the fabrication of novel waterborne polyurethane (WPU) composite coatings with superior corrosion protection performance by intercalating functionalized graphene oxide (GO). The results highlight that hydrophobic nanoparticles remarkably enhance the corrosion protection performance of the coatings.
COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS
(2022)
Article
Chemistry, Physical
Jing Liu, Keding Li, Yong Zhang, Xianfeng Wei, Long Zhang
Summary: The laser ignition has been proposed for safe and reliable ignition of explosives, but high energy has hindered its practical application. Developing a photosensitizer with good laser ignition performance under low energy is significant. A GO/RDX composite film showed improved laser photothermal properties, with the temperature rising significantly under laser irradiation due to the decomposition and combustion of RDX. The composite film could be a promising device for low initial energy photothermal ignition.
APPLIED SURFACE SCIENCE
(2021)
Article
Engineering, Chemical
Sajjad Mohsenpour, Ahmed W. Ameen, Sebastian Leaper, Clara Skuse, Faiz Almansour, Peter M. Budd, Patricia Gorgojo
Summary: PIM-1 mixed matrix membranes (MMMs) fabricated with POSS and GO-POSS show higher CO2 permeability and good selectivity, surpassing the 2008 Robeson upper bound, and can slow down physical aging.
SEPARATION AND PURIFICATION TECHNOLOGY
(2022)
Review
Chemistry, Multidisciplinary
Suresh Sagadevan, Md Zillur Rahman, Estelle Leonard, Dusan Losic, Volker Hessel
Summary: Graphene, a two-dimensional material with a single atomic crystal structure, has the potential to create next-generation devices in various fields due to its excellent properties. Azobenzene (AZO) polymers, with their unique light-induced conformations and structures, are recognized as excellent candidates for a new generation of light-controllable molecular electronics. Combining graphene derivatives and AZO-based polymers could generate hybrid structures with interesting properties.
Article
Polymer Science
Yuki Hori, Koichiro Kubo, Yuta Nishina
Summary: The study clarified the grafting mechanism of graphene through electron spin resonance techniques, revealing two distinct pathways. Based on these mechanisms, various types of polymer-graphene composites were successfully prepared and applied in electrical conductive sheets, basic catalysts, and acidic catalysts.
MACROMOLECULAR RAPID COMMUNICATIONS
(2021)
Article
Chemistry, Physical
Qing Wu, Xin Yang, Jinqian He, Ziyi Ye, Qianli Liu, Huanhuan Bai, Jianfeng Zhu
Summary: In this study, porous graphene oxide was used as a nanoscale reinforcement to improve the interfacial adhesion in composites, resulting in significantly higher interfacial shear strength compared to untreated fiber and GO/fiber reinforcement. The enhancement was attributed to rich interfacial interactions and improved surface energy through the synergistic effects of polyethylenimine, as well as the formation of a rigid-soft transition zone for stress dissipation. The advantages of porous graphene oxide suggest potential for further advancements in composite materials by carefully designing its properties.
APPLIED SURFACE SCIENCE
(2022)
Article
Biochemistry & Molecular Biology
Ling Fu, Long Jiang, Qingtao Xing, Tan Li, Zhiquan Shen, Yi Dan, Yun Huang
Summary: This study aims to solve the problems of compatibility and dispersion between industrial grade graphene oxide (GO) and polylactide (PLA) in order to achieve practical application. PLA was grafted on GO using a silane coupling agent (KH560) to enhance compatibility, while poly(d-lactide) (PDLA) was grafted on GO to form crystallites with poly(l-lactide) (PLLA) and improve dispersion. Biaxially stretched PLLA and GO composite films were prepared. The film with 5% D-G (PLLA/D-G0.05) showed the smallest size of aggregated GO and the best tensile performance with a tensile strength of 120 MPa and an elongation at break of 107%.
INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES
(2023)
Article
Chemistry, Analytical
Binbin Xiao, Mengqing Yin, Wanfa Li, Lingyan Liang, Shixun Dai, Xiaohui Zhang, Wei Wang, Zhaoping Liu
Summary: It is challenging to fabricate large-area suspended graphene film with good mechanical properties, especially for chemical vapor deposition (CVD)-grown graphene films. This study systematically investigates the mechanical properties of suspended CVD-grown graphene film, revealing that the stability on circular holes can be greatly improved by increasing the layer of graphene films. The mechanical properties of multilayer graphene films prepared by layer-layer stacking process can be increased by up to 400% for the same size, paving the way for building high-performance electrical devices based on high-strength suspended graphene film.
Article
Materials Science, Multidisciplinary
Bich Ngoc Tran, Stuart C. Thickett, Vipul Agarwal, Per B. Zetterlund
Summary: Electrically conductive polymer nanocomposite films containing reduced graphene oxide were prepared using aqueous emulsion-based techniques, with a focus on the impact of the polymer matrix. The study showed that subtle changes in the nature of the polymer matrix can significantly affect the properties of nanocomposites, with lower polarity monomer combinations leading to higher electrical conductivity.
ACS APPLIED POLYMER MATERIALS
(2021)
Article
Materials Science, Multidisciplinary
Riccardo Castagna, Cristiano Riminesi, Andrea Di Donato, Rachele Castaldo, Roberto Avolio, Luigi Montalto, Francesco Vita, Oriano Francescangeli, Daniele Eugenio Lucchetta
Summary: We studied the photo-mobility properties of a large area graphene oxide (GO) paper and found that it exhibits bending behavior when irradiated by near infrared light. The bending mechanism is attributed to the asymmetry of the GOP film obtained during the film formation process. The film morphology and structure were characterized using scanning electron microscopy (SEM) imaging and X-ray diffraction (XRD) measurements.
Article
Chemistry, Multidisciplinary
Nazmul Hasan, Karsten Busse, Asad Ullah, Hazrat Hussain, Joerg Kressler
Summary: The research on Langmuir films of a hybrid diblock copolymer of poly(ethylene glycol) (PEG) and poly(methacrylo polyhedral oligomeric silsesquioxane) P(MA-POSS) using surface pressure versus mean molecular area isotherms, together with Brewster angle microscopy, revealed details of phase transitions and the formation of periodic wrinkle patterns. The orientation of POSS molecules in the Langmuir films changes upon compression, with wrinkles mainly forming in the top stiffer MA-POSS blocks above a certain compressional stress. The wrinkles disappear during the Langmuir-Blodgett transfer, but atomic force microscopy and X-ray scattering experiments showed highly ordered POSS molecules in LB films.
Article
Chemistry, Multidisciplinary
Jiayan Pu, Lei Wang, Jinhou Fang, Tao Chen, Aihua Li, Zhen Liu, Yanzhi Xia, Xiutong Wang, Jingquan Liu
Summary: We synthesized a composite of aminooxy bifunctional molecules with graphene, which has the capability of decomposing HCHO into water at room temperature. The composite can be regenerated under acidic conditions and retains 83.5% of its capacity after 10 cycles.
CHEMICAL COMMUNICATIONS
(2022)
Article
Biochemistry & Molecular Biology
Marina Ramos, Ana Beltran, Elena Fortunati, Mercedes Peltzer, Francesco Cristofaro, Livia Visai, Artur J. M. Valente, Alfonso Jimenez, Jose Maria Kenny, Maria Carmen Garrigos
Review
Materials Science, Paper & Wood
P. Posada, J. Velasquez-Cock, C. Gomez-Hoyos, A. M. Serpa Guerra, S. Lyulin, J. M. Kenny, P. Ganan, C. Castro, R. Zuluaga
Article
Polymer Science
Weijun Yang, Guochuang Qi, Jose Maria Kenny, Debora Puglia, Piming Ma
Article
Polymer Science
Adrian Leones, Alicia Mujica-Garcia, Marina Patricia Arrieta, Valentina Salaris, Daniel Lopez, Jose Maria Kenny, Laura Peponi
Article
Biochemistry & Molecular Biology
Weijun Yang, Xiaoyan He, Francesca Luzi, Weifu Dong, Ting Zheng, Jose M. Kenny, Debora Puglia, Piming Ma
INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES
(2020)
Article
Chemistry, Physical
Marina P. Arrieta, Adrian Leones Gil, Maysa Yusef, Jose M. Kenny, Laura Peponi
Editorial Material
Polymer Science
Alfonso Jimenez, Francisco Vilaplana, Lars Berglund, Jose M. Kenny
POLYMER DEGRADATION AND STABILITY
(2021)
Article
Chemistry, Applied
Weijun Yang, Hui Ding, Guochuang Qi, Chengcheng Li, Pengwu Xu, Ting Zheng, Xiangmiao Zhu, Jose M. Kenny, Debora Puglia, Piming Ma
Summary: By incorporating various contents of lignin nanoparticles (LNP) and different crosslinkers, UV shielding effect and enhanced thermal stability were achieved in PVA nanocomposite films, along with improved plasticization resulting in increased tensile strength.
REACTIVE & FUNCTIONAL POLYMERS
(2021)
Article
Biochemistry & Molecular Biology
Weijun Yang, Hui Ding, Guochuang Qi, Jiaqi Guo, Fei Xu, Chengcheng Li, Debora Puglia, Jose Kenny, Piming Ma
Summary: This study successfully prepared lignin nanoparticles through acid treatment and surface amination modification, and evaluated their antioxidant properties. The results showed that the modified a-LNPs exhibited more significant antioxidant activity and higher UV resistance performance.
Article
Biochemistry & Molecular Biology
Adrian Leones, Valentina Salaris, Alicia Mujica-Garcia, Marina P. Arrieta, Daniel Lopez, Marcela Lieblich, Jose Maria Kenny, Laura Peponi
Summary: This study investigated the morphological, thermal, and mechanical properties of electrospun nanocomposite fibers reinforced with organic and inorganic nanoparticles. The addition of both untreated and functionalized CNC improved fiber crystallinity, while organic and inorganic nanoparticles decreased elastic modulus and tensile strength but increased elongation at break. Furthermore, all reinforced systems degraded under composting conditions after 35 days.
Article
Materials Science, Biomaterials
Weijun Yang, Fei Xu, Xinyu Ma, Jiaqi Guo, Chengcheng Li, Sudan Shen, Debora Puglia, Jiwei Chen, Pengwu Xu, Jose Kenny, Piming Ma
Summary: In this study, Ag nanoparticles were reduced on lignin nanoparticles (LNPAg) surface without a catalyst and then incorporated into glutaraldehyde crosslinked PVA hydrogels with cellulose nanocrystals (CNC). The resulting composite hydrogels showed excellent radical scavenging and antibacterial activities, with LNPAg nanoparticles enhancing wound healing in mice model of skin resection. These findings suggest that PVA hydrogels containing LNPAg could serve as efficient biomedical wound dressing materials.
MATERIALS SCIENCE & ENGINEERING C-MATERIALS FOR BIOLOGICAL APPLICATIONS
(2021)
Article
Polymer Science
Valentina Salaris, Adrian Leones, Daniel Lopez, Jose Maria Kenny, Laura Peponi
Summary: This review emphasizes the importance of the synergic effects between electrospun polymeric fibers and shape-memory properties and suggests further exploration in both scientific and industrial aspects. Promising results have been obtained in the biomedical field, as well as in sensors and actuators, and electronics.
Article
Polymer Science
Valentina Salaris, Adrian Leones, Daniel Lopez, Jose Maria Kenny, Laura Peponi
Summary: This work investigates the effects of adding MgO and Mg(OH)2 nanoparticles on the morphology, thermal properties, and mechanical properties of poly(e-caprolactone) (PCL)-based electrospun fiber mats. The study finds that adding nanoparticles increases the fiber diameter and reduces the onset degradation temperature and maximum degradation temperature. Furthermore, the addition of nanoparticles decreases the crystallinity of the reinforced fibers.
MACROMOLECULAR CHEMISTRY AND PHYSICS
(2023)
Article
Biochemistry & Molecular Biology
Valentina Salaris, Daniel Lopez, Jose Maria Kenny, Laura Peponi
Summary: The in vitro degradation behavior of PCL-based electrospun nanofibers in phosphate buffer solution (PBS) and simulated body fluid (SBF) was studied, along with the influence of Mg-based nanoparticles on the degradation process and bioactivity. The presence of nanoparticles was found to accelerate the degradation of the nanofibers, resulting in a reduction in diameter and an increase in crystallinity. Furthermore, the bioactivity of the nanofibers was confirmed through the formation of crystals on the surface, indicating the presence of apatites.
Article
Chemistry, Multidisciplinary
Laura Peponi, Karla A. Barrera-Rivera, Jose M. Kenny, Angel Marcos-Fernandez, Antonio Martinez-Richa, Daniel Lopez
Summary: In this study, the chemical modification of cellulose nanocrystals (NCs) was carried out to covalently functionalize the external surface of NCs with poly(L-lactic acid) (PLLA) and poly(epsilon-caprolactone) (PCL) using an enzyme as a catalyst. Various analytical techniques were used to confirm the success of the grafting reactions and to study the crystalline nature of the functionalized polymeric chains.
Correction
Chemistry, Physical
Chen Luo, Yan Shao, Hua Yu, Hong-zhi Ma, Yu-hao Zhang, Long Gu, Bo Yin, Ming-bo Yang
CHEMICAL PHYSICS LETTERS
(2024)
Article
Chemistry, Physical
Stefano Borocci, Armando Camerlingo, Felice Grandinetti, Maria Rutigliano, Nico Sanna
Summary: The complexes of He, Ne, Ar, Kr, and Xe with B3N3H6 were investigated using MP2, CCSD(T), and SAPT ab initio methods. The complexes can be described as mono-, di-, and tri-coordinated to the N atoms, with stability following the order N-mono < N-di < N-tri. The interactions are dominated by dispersion and the binding energies are within the range of 1 or 2 kcal mol(-1). The results were compared with a recent DFT study on larger BN sheets complexes [Phys. Chem. Chem. Phys. 24 (2022) 2554-2566.].
CHEMICAL PHYSICS LETTERS
(2024)
Article
Chemistry, Physical
V. Nagarajan, R. Bhuvaneswari, R. Chandiramouli
Summary: In this study, stable phosphoborane was used as a sensor to detect isobutane and n-propane in Liquefied Petroleum Gas (LPG). Phosphoborane demonstrated structural stability and semiconducting nature, and exhibited promising adsorption properties for the LPG molecules.
CHEMICAL PHYSICS LETTERS
(2024)
Article
Chemistry, Physical
Xiaoxi Xu, Zijiang Yang, Bayaer Buren, Maodu Chen
Summary: In this study, the time-dependent wave packet method was used to investigate the reaction channels and mechanisms of Ca+ + HD. The results show that the CaH+ + D reaction channel plays a primary role, which is consistent with experimental results. Complex forming and direct-abstraction reaction mechanisms exist in this reaction process.
CHEMICAL PHYSICS LETTERS
(2024)
Article
Chemistry, Physical
Keshab Pandey, Hae Kyung Jeong
Summary: A free-standing silicon-carbon nanofiber composite film was synthesized and investigated for supercapacitor applications. It exhibited high specific capacitance, energy density, and power density. After 5000 cycles, the film showed excellent specific capacitance retention and Coulombic efficiency.
CHEMICAL PHYSICS LETTERS
(2024)
Article
Chemistry, Physical
Xinyu Zhang, Haosong Li, Xiaoyu Cao, Jing Gao, Yong Wei, Jianzhuo Zhu
Summary: The evaporation behavior of nanosized water aggregations on two-dimensional electroneutral solid surfaces with different surface polar unit densities was investigated. The results showed that the evaporation rate changes non-monotonically with the surface polar unit density, and the minimum evaporation rate is obtained when the surface has a modest surface polar unit ratio of 66.7%.
CHEMICAL PHYSICS LETTERS
(2024)
Article
Chemistry, Physical
Yanyan Xu, Rui Dai, Xiaojie Wang, Zhijun Qiao, Haowei Wen, Dianbo Ruan, Yuzuo Wang
Summary: This article presents an innovative solvothermal sodium insertion method for synthesizing Triphylite-NaFePO4, which demonstrates optimal electrochemical performance in sodium-ion batteries.
CHEMICAL PHYSICS LETTERS
(2024)
Article
Chemistry, Physical
Meiyi Jiang, Kun Yang, Yancheng Liu, Li Yao
Summary: The geometric structure and electronic properties of transition metal M (M = Cu, Fe, Mn)-TiO2 (101) surface adsorbed by NO2 and N2O were calculated by density functional theory (DFT) and DFT + U theory. The results showed that the adsorption of NO2 and N2O on Mn and Fe atoms is more stable, and a large number of active electrons are formed around these atoms, facilitating the catalytic reactions.
CHEMICAL PHYSICS LETTERS
(2024)
Article
Chemistry, Physical
Sergey A. Vyrko, Yulia G. Polynskaya, Nikita A. Matsokin, Andrey M. Popov, Andrey A. Knizhnik, Nikolai A. Poklonski, Yurii E. Lozovik
Summary: In this study, carbon nanobracelets, which are cyclic molecules composed of alternating polycyclic regions and double carbon chains, were investigated using spin-polarized density functional theory. The results show that carbon nanobracelets with odd number of monomers exhibit distinct electronic energy levels, band gaps, and carbon chain deformation compared to those with even number of monomers.
CHEMICAL PHYSICS LETTERS
(2024)
Article
Chemistry, Physical
Chanchan Wang, Quan Yang, Yanzhi Ding, Xiaoyong Lu, Dong Tian
Summary: It has been found that the introduction of buffer layers improves the electrical performance of solid oxide fuel cells (SSOFCs). In this study, varying ratios of Gd-doped CeO2 were used as buffer layers in YSZ-based SSOFCs. The results demonstrate that the performance of SSOFCs is enhanced when a buffer layer is added, with the highest performance achieved using Ce0.8Gd0.2O2-delta (GDC20) as the buffer layer. This suggests that the use of GDC series buffer layers is an attractive strategy to optimize performance loss due to electrolyte-electrode interactions.
CHEMICAL PHYSICS LETTERS
(2024)
Article
Chemistry, Physical
Wang Li, Yi-Fan Zhang, Jia-Bin Huang, Chang-Yang Wang, Feng Zhang, Jiu-Zhong Yang, Long Zhao
Summary: The gas-phase reaction of propargyl with vinylacetylene was investigated using synchrotron photoionization and molecular-beam mass spectrometry methodologies. The formation mechanisms of the resulting cyclic structures were examined using quantum computations. Two previously unidentified isomers were detected and identified for the first time.
CHEMICAL PHYSICS LETTERS
(2024)
Article
Chemistry, Physical
Avijit Pramanik, Sanchita Kundu, Olorunsola Praise Kolawole, Kaelin Gates, Paresh Chandra Ray
Summary: This study investigates the influence of aspect ratio and quantum confinement on the single-photon and two-photon absorption cross-section of perovskite CsPbI3 nanorods. Experimental data shows that CsPbI3 nanorods have an extremely high two-photon absorption cross-section, significantly surpassing organic chromophores and other CsPbBr3 nanocrystals. Moreover, adjusting the aspect ratio can significantly enhance the absorption ability. Additionally, the study also reveals a moderate quantum confinement effect on the single-photon and two-photon absorption cross-section of the nanorods.
CHEMICAL PHYSICS LETTERS
(2024)
Article
Chemistry, Physical
Hyon-Tae Pak, Jin-A Choe, Kyong-Sik Ju, Yong -Son Rim
Summary: Drug-loaded cellulose diacetate (CDA) membranes were prepared using different compositions of mixed solvent. The microstructure and performance of the membranes were investigated, and a method to predict drug release properties was proposed. The results showed that the composition of the mixed solvent significantly affected the overall performance of CDA membranes, and the release rates of drugs were related to Δdelta and the intrinsic viscosity of CDA.
CHEMICAL PHYSICS LETTERS
(2024)
Article
Chemistry, Physical
Gabriella E. Ravin, E. Curotto
Summary: We have developed a systematic approach to optimize the training set sizes for neural networks in fitting ab initio potential energy surfaces. Using this approach, we have constructed several spectroscopic quality potential energy surfaces for [Li(H2)n]+, n = 1 - 9. The ground state properties have been computed for all the systems and selected states.
CHEMICAL PHYSICS LETTERS
(2024)
Article
Chemistry, Physical
Guohua Xu, Lei Xu, Feng Zhang, Chunling Yu, Yu Song
Summary: NiS1.03@Ni7S6/carbon composite was successfully prepared using corn stalk as a carbon source via a simple adsorption-sulphurization process. The composite exhibited a specific capacitance of 1554.6 F/g at 1 A/g as a supercapacitor electrode, with a capacitance retention rate of 80.4% after 5000 cycles. Furthermore, the NiS1.03@Ni7S6/carbon//AC asymmetric supercapacitor showed a high energy density of 41.2 Wh kg-1 at a power density of 750 W kg-1, and excellent cycling stability with 86.8% capacitance retention after 10,000 cycles.
CHEMICAL PHYSICS LETTERS
(2024)
