Article
Multidisciplinary Sciences
Dongfei Wang, De-Liang Bao, Qi Zheng, Chang-Tian Wang, Shiyong Wang, Peng Fan, Shantanu Mishra, Lei Tao, Yao Xiao, Li Huang, Xinliang Feng, Klaus Muellen, Yu-Yang Zhang, Roman Fasel, Pascal Ruffieux, Shixuan Du, Hong-Jun Gao
Summary: Stacking layered materials with nonzero interlayer twist angles, such as graphene and transitional metal dichalcogenides, has attracted attention due to their novel physical properties. In this study, we demonstrate that the edge states of twisted bilayer zigzag graphene nanoribbons (TBZGNRs) can be tuned by both the twist angle and the stacking offset. Strong edge state variations in the stacking region are revealed by density functional theory (DFT) calculations and scanning tunneling microscopy. Our work highlights the fundamental differences between 2D and 1D twistronics and encourages further investigation of twisted one-dimensional systems.
NATURE COMMUNICATIONS
(2023)
Review
Chemistry, Multidisciplinary
Vivek Saraswat, Robert M. Jacobberger, Michael S. Arnold
Summary: Graphene nanoribbons are promising candidates for future nanoelectronic devices due to their exceptional properties, but face challenges in commercial adoption related to synthesis and devices. Research needs to explore scalable synthetic techniques and dielectric engineering to realize the full potential of GNRs.
Article
Materials Science, Multidisciplinary
Sahar Armaghani, Ali Rostami, Peyman Mirtaheri
Summary: In this study, the effects of an array of quantum dots on a charged graphene plate were theoretically analyzed, and it was successfully transformed into a graphene nanotube. This achievement has significant potential applications in the electro-optical industry.
Article
Thermodynamics
Yong-Mei Zhang, Mauro Antezza, Jian-Sheng Wang
Summary: The presence of interlayer interactions in twisted bilayer graphene (TBG) enhances several characteristics, including the optical and electronic properties. A series of double magic angles have been theoretically investigated in TBG. The thermal radiation from TBG can be tuned to the far infrared range by changing twist angles.
INTERNATIONAL JOURNAL OF HEAT AND MASS TRANSFER
(2022)
Article
Chemistry, Multidisciplinary
Rajeev K. Dubey, Manuel Melle-Franco, Aurelio Mateo-Alonso
Summary: Molecular conformation plays a crucial role in chemistry and materials science. The synthesis of single-handed helically twisted molecular nanoribbons remains a challenge, but an asymmetric approach has been described to induce single-handed helicity with excellent conformational discrimination.
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
(2022)
Article
Materials Science, Multidisciplinary
Xiao Wan, Dengke Ma, Dongkai Pan, Lina Yang, Nuo Yang
Summary: In this study, phonon transport optimization in graphene nanoribbon was achieved by designing nanopillared nanostructures based on resonance hybridization. It was found that thermal conductance decreases non-monotonically with an increase in the number of nanopillared structures, blocking phonon transport. Insights into controlling phonon transport in nanostructures were provided through mode-analysis, calculations, and simulations.
MATERIALS TODAY PHYSICS
(2021)
Article
Materials Science, Multidisciplinary
Yajuan Cheng, Zheyong Fan, Tao Zhang, Masahiro Nomura, Sebastian Volz, Guimei Zhu, Baowen Li, Shiyun Xiong
Summary: We report a local minimum in thermal conductivity in twisted bilayer graphene (TBG) at the angle of 1.08 degrees, which corresponds to the 'magic angle' in the transition of several other reported properties. The thermal magic angle arises from the competition between the delocalization of atomic vibrational amplitudes and stresses on one hand, and the increased AA stacking density on the other hand. The manifestation of a magic angle, disclosing new thermal mechanisms at nanoscale, further uncovers the unique physics of two-dimensional materials.
MATERIALS TODAY PHYSICS
(2023)
Article
Engineering, Environmental
Yunkyu Choi, Junhyeok Kang, Eunji Choi, Ju Yeon Kim, Jeong Pil Kim, Ji Hoon Kim, Ohchan Kwon, Dae Woo Kim
Summary: The stacked graphene oxide nanoribbon (GONR) membranes with a carbon nanotube (CNT) supporting layer demonstrate significantly enhanced molecular separation performance. The functionalized CNTs (FCNTs) enabled the membrane to operate at high pressures and achieve excellent separation results.
CHEMICAL ENGINEERING JOURNAL
(2022)
Article
Physics, Multidisciplinary
Reza Pahlavan Yali, Ali Mehri, Maryam Jamaati
Summary: The thermal conductivity of graphene nanoribbons (GNRs) is studied through nonequilibrium molecular dynamics (NEMD) simulations. The effects of temperature, size, and layer number on thermal transport in both zigzag and armchair GNRs are investigated. It is found that increasing the size enhances the thermal conductivity of GNRs at room temperature, while the conductivity decreases as the temperature rises. The number of layers also affects the thermal conductivity due to the out-of-plane scattering of phonons.
PHYSICA A-STATISTICAL MECHANICS AND ITS APPLICATIONS
(2023)
Article
Materials Science, Multidisciplinary
Ramin Ahmadi, Mohammad Taghi Ahmadi, Hatef Sadeghi
Summary: This study investigates the geometrical effects of low dimensional graphene-based materials (GBM) on thermoelectric properties, and finds that the number of twists has a more significant impact compared to fullerene diameter and number of dimer lines.
ECS JOURNAL OF SOLID STATE SCIENCE AND TECHNOLOGY
(2022)
Article
Chemistry, Physical
Leonid A. Chernozatonskii, Victor A. Demin, Dmitry G. Kvashnin
Summary: A novel carbon nanostructure, Moire diamones on graphene, with spin density localization feature, was proposed for potential applications in the field of controllable spintronic devices.
JOURNAL OF PHYSICAL CHEMISTRY LETTERS
(2022)
Article
Chemistry, Physical
Yun-seok Jun, Saeed Habibpour, Mahdi Hamidinejad, Moon Gyu Park, Wook Ahn, Aiping Yu, Chul B. Park
Summary: Graphene nano-ribbon (GNR) was synthesized by unzipping multi-walled carbon nanotubes (MWCNTs) and compared to MWCNT/TPU composites in terms of electrical conductivity, dielectric properties, electromagnetic interference shielding effectiveness (SE) and mechanical properties. GNR/TPU exhibited superior performance in all aspects, including significantly enhanced electrical conductivity, dielectric properties and EMI SE, as well as higher mechanical strength.
Article
Chemistry, Multidisciplinary
Giorgio Di Battista, Paul Seifert, Kenji Watanabe, Takashi Taniguchi, Kin Chung Fong, Alessandro Principi, Dmitri K. Efetov
Summary: In this study, the thermal properties of superconducting MATBG were revealed by monitoring its temperature dependent critical current. The temperature dependence of the electronic thermal conductance was extracted, laying the foundation for future thermal transport studies on this system.
Article
Chemistry, Multidisciplinary
Peter Sutter, Larousse Khosravi Khorashad, Christos Argyropoulos, Eli Sutter
Summary: Ultrathin van der Waals semiconductors exhibit remarkable optoelectronic and photonic properties, making them attractive for photonic circuitry. Scanning near-field optical microscopy can overcome the limitations of conventional optics and characterize waveguide modes with high resolution.
ADVANCED MATERIALS
(2021)
Article
Chemistry, Physical
Tianye Wei, Hu Li, Yangming Fu, Xiaoxiao Zheng, Long Huang, Aimin Song
Summary: Semiconducting graphene nanoribbons (GNRs) are synthesized by unzipping single-walled carbon nanotubes, and their semiconducting nature is demonstrated by photoluminescence and field-effect transistor tests. The GNR thermoelectric generators (TEGs) exhibit high Seebeck coefficient and power factor at room temperature, showing promise for flexible electronic applications.
Article
Chemistry, Physical
V Pavlenko, S. Kalybekkyzy, D. Knez, Q. Abbas, Z. Mansurov, Zh Bakenov, A. Ng
Summary: Mesopores play a crucial role in enhancing the capacitance of electric double-layer capacitors, especially at low temperatures. By adjusting the diameter of nanoparticles and creating short-range graphene layers, the pore structure of carbon materials can be optimized to facilitate ion movement and increase capacitance.
Review
Materials Science, Multidisciplinary
V. Pavlenko, S. Khosravi, S. Zoltowska, A. B. Haruna, M. Zahid, Z. Mansurov, Z. Supiyeva, A. Galal, K. I. Ozoemena, Q. Abbas, T. Jesionowski
Summary: Carbons with hierarchical pores obtained via template-assisted methods offer great control over pore structure and geometry, with uniform distribution and better connectivity. The easy functionalization of these templated porous carbons makes them excellent materials for various applications such as catalysis, energy storage and conversion, sensors, and environmental applications.
MATERIALS SCIENCE & ENGINEERING R-REPORTS
(2022)
Article
Biochemistry & Molecular Biology
Yerdos Ongarbayev, Ainur Zhambolova, Yerbol Tileuberdi, Zulkhair Mansurov, Cesare Oliviero Rossi, Pietro Calandra, Bagdat Teltayev
Summary: This paper examines the impact of aging processes on the viscoelastic characteristics of vacuum residue oxidation products modified with crumb rubber. The study finds that short-term aging increases the shear modulus of the samples, and the modified vacuum residue oxidation product with crumb rubber shows the highest rutting and fatigue parameters, indicating increased stiffness and elasticity. The research also reveals an expansion of the temperature range of plasticity for the modified product.
Article
Biochemistry & Molecular Biology
Jakpar Jandosov, Mo Alavijeh, Shynggyskhan Sultakhan, Alzhan Baimenov, Maria Bernardo, Zuriyadda Sakipova, Seytkhan Azat, Svitlana Lyubchyk, Nurzhamal Zhylybayeva, Gulmira Naurzbayeva, Zulkhair Mansurov, Sergey Mikhalovsky, Dmitriy Berillo
Summary: A microgranulated binary biomedical preparation for oral use was developed in this study for the elimination of toxic substances from the gastrointestinal tract. The composite enterosorbent demonstrated high adsorption capacity for both lead and diclofenac, making it suitable for treating poisoning caused by substances of different chemical nature.
Article
Engineering, Chemical
Sandugash Tanirbergenova, Yerdos Ongarbayev, Yerbol Tileuberdi, Ainur Zhambolova, Ernar Kanzharkan, Zulkhair Mansurov
Summary: This study aimed to select the optimal solvents for the removal of asphaltene-resin-paraffin deposits based on the ARPDs of the Zhanaozen crude oil field. The most effective composite solvent was found to be a composition comprising a 50% gasoline fraction and a 50% kerosene fraction.
Article
Chemistry, Multidisciplinary
Meruyert Nazhipkyzy, Anar B. Maltay, Kydyr Askaruly, Dana D. Assylkhanova, Aigerim R. Seitkazinova, Zulkhair A. Mansurov
Summary: Biomass-based carbon nanofibers were synthesized using lignin extracted from sawdust and polyacrylonitrile. The CNFs carbonized at 800 degrees C showed excellent stability and high capacitance, outperforming the CNFs carbonized at higher temperatures. Stable cycling was observed in all three samples over 500 cycles.
Article
Materials Science, Multidisciplinary
Baglan Bakbolat, Chingis Daulbayev, Fail Sultanov, Azamat Taurbekov, Aidos Tolynbekov, Mukhtar Yeleuov, Alina Korobeinyk, Zulkhair Mansurov
Summary: This paper proposes a modified carbon-based concrete filler composition that can be used for self-de-icing pavements. The addition of CNF/GLC composite to the concrete significantly reduces its resistance and improves its compressive strength.
Article
Chemistry, Inorganic & Nuclear
Zulkhair Mansurov, Gaukhar Smagulova, Bayan Kaidar, Aigerim Imash, Aidos Lesbayev
Summary: This study presents the results of synthesizing PAN-magnetite composite fibers using the electrospinning method and the analysis of their properties. Homogeneous Fe3O4 magnetite nanoparticles were successfully synthesized and uniformly distributed on the surface of the fibers. The addition of magnetite led to a decrease in the fiber diameter.
Article
Thermodynamics
A. Akhinzhanova, S. Sultahan, Z. Tauanov, Z. Mansurov, A. Capobianachi, R. Amrousse, M. Atamanov, Qi-Long Yan
Summary: This paper investigates the use of graphene oxide (GO) as a catalyst for the thermal decomposition of tetraamminecopper (II) nitrate coordination complexes. It is found that doping GO nanoparticles enables uniform deposition onto the complex surface. The kinetics and mechanisms of the decomposition are studied using Differential Scanning Calorimetry (DSC) and Thermal Gravimetric Analysis (TGA) coupled with Fourier-Transform Infrared Spectroscopy (FTIR). The addition of GO increases heat release and decreases the activation energy of CuC, making GO a promising candidate for catalytic applications in energetic materials.
COMBUSTION AND FLAME
(2023)
Article
Chemistry, Multidisciplinary
Yu. V. Ilyin, K. K. Kudaibergenov, S. D. Sharipkhanov, Z. A. Mansurov, A. A. Zhaulybayev, M. K. Atamanov
Summary: In this study, carbonized apricot stones and rice husk were used as feedstock to synthesize CuO-loaded carbonized sorbents for the removal of CO2 from gas mixtures. The carbonized sorbents showed enhanced sorption capacity due to an increase in specific surface area with higher carbonization temperature. SEM images confirmed the presence of pores and development of porosity in the sorbents. Well-dispersed CuO nanoparticles with sizes between 60-100 nm were observed on the surface of carbonized sorbents. Chemical interactions between CO2 and copper oxide improved the adsorption properties. Under dynamic conditions, CuO-loaded carbonized apricot stones and rice husk exhibited maximum sorption capacities for CO2 with efficiencies of 98% and 91%, respectively. These findings demonstrate the potential of carbonized apricot stones and rice husk as cost-effective and eco-friendly feedstock for efficient CO2 sorbents.
EURASIAN CHEMICO-TECHNOLOGICAL JOURNAL
(2023)
Article
Biology
Sirina D. Zhantlessova, Irina S. Savitskaya, Zulkhair A. Mansurov, Zhazira Khamitkyzy, Natalia Vassilyeva, Aizhan B. Talipova, Gaukhar T. Smagulova
Summary: The authors obtained chemically pure, crystalline, micro -and nanostructured cellulose samples using biological and chemical approaches. They characterized these samples and compared their properties. The results show that these cellulose materials have high crystallinity and thermal stability, making them suitable for various applications.
VESTNIK TOMSKOGO GOSUDARSTVENNOGO UNIVERSITETA-BIOLOGIYA
(2022)
Review
Materials Science, Multidisciplinary
Gaukhar Smagulova, Aigerim Imash, Akniyet Baltabay, Bayan Kaidar, Zulkhair Mansurov
Summary: This review focuses on the research directions and applications of rice husk materials in medicine and biotechnology, providing extensive information on the work of various researchers and their physico-chemical characteristics.
C-JOURNAL OF CARBON RESEARCH
(2022)
Article
Chemistry, Multidisciplinary
A. A. Kalybay, Z. A. Mansurov, V. G. Salnikov
Summary: This article analyzes the urgent problems of decarbonization in the power-generating sector and explores potential solutions to the ecological issues related to CO2 emissions from coal combustion. The technology and equipment for converting coal into high-calorific, environmentally friendly, and low-carbon fuel are described, along with methods for processing coal fuel in the form of water-coal suspension. The article also discusses the production of low-cost hydrogenized coal fuel as a means to protect the coal industry and achieve low-carbon power generation.
CHEMISTRY FOR SUSTAINABLE DEVELOPMENT
(2022)
Article
Chemistry, Multidisciplinary
Z. A. Mansurov, G. T. Smagulova, A. A. Imash, A. T. Taurbekov, B. Elouadi, B. B. Kaidar
Summary: This article presents the results of synthesizing carbon-NiO composite fibers, which have practical applications in various fields. The fibers were obtained using a combination of polyacrylonitrile, activated carbon, coal tar pitch, and NiO particles, and were synthesized using the electrospinning method. The resulting carbon/NiO fibers have a diameter of 100-300 nm and exhibit a one-dimensional structure and better adhesion to NiO particles, making them promising for practical applications in sensors, energy storage systems, photocatalysts, etc.
EURASIAN CHEMICO-TECHNOLOGICAL JOURNAL
(2022)
Article
Chemistry, Multidisciplinary
Z. A. Mansurov, G. T. Smagulova, A. A. Imash
Summary: This article reviews recent research on the formation of carbon nanotubes and nanocarbon sorbents, as well as their practical applications. It also discusses the synthesis of carbon nanotubes on catalysts obtained through solution combustion on glass cloth, and the development of flexible heating elements based on this.
CHEMISTRY FOR SUSTAINABLE DEVELOPMENT
(2022)
Article
Materials Science, Multidisciplinary
Ping Zhang, Xiujie Yue, Yeran Gao, Zhenyong Lin, Shunxiang Wang, Songting Zhang
Summary: This paper investigates the strengthening mechanism of highspeed cutting and solid particle-entrained waterjet peening (HSC-WJP) composite reinforcement on 7075-T6 aluminum alloy. The research results show that composite reinforcement can improve surface quality, reduce surface pits and roughness, and decrease the size of precipitation-free zone (PFZ) at grain boundaries.
Article
Materials Science, Multidisciplinary
Sangyoon Lee, Hwi Yoon, Sanghun Lee, Seung-min Chung, Hyungjun Kim
Summary: The wettability of metal oxides, particularly HfO2 thin films deposited via atomic layer deposition, and its correlation with surface free energy have been studied. It was found that surface oxygen species significantly affect the intrinsic hydrophilicity of HfO2 thin films, and the crystalline orientations also evolve with film thickness.
Article
Materials Science, Multidisciplinary
Changdong Yin, Yiwen Wu, Zhou Xu, Dongdong Ye, Jun Yao, Jianjun Chen, Qiang Liu, Xin Ge, Meiling Ding
Summary: This study proposed a new strategy to indirectly estimate the hydrogen diffusivity of metallic materials under tensile stress by combining the electrochemical hydrogen permeation test (EHPT), the hydrogen diffusion descriptive equation based on Fick's law, and hydrogen pre-charged tensile test. The results showed that the hydrogen permeation curve obtained was highly approximate to the theoretical trend. The hydrogen embrittlement (HE) susceptibility of the specimens increased with increasing stress.
Article
Materials Science, Multidisciplinary
Huan Luo, Wei-yi Wang, Xin Yu, Xian-jun Lei, Lang Liu, Guo-zheng Zha, Wen-long Jiang, Bin Yang, Bao-qiang Xu
Summary: Separating selenium and tellurium is a general challenge in material and non-ferrous metallurgical industries. This paper proposes a novel method that achieved efficient separation of selenium and tellurium using gas-liquid equilibrium phase diagram and valence regulation-vacuum gasification technique.
Article
Materials Science, Multidisciplinary
Fan Zhang, Rong Xin Wang, Aiqin Tian, Fangzhi Li, Jianping Liu, Hui Yang
Summary: Deposition of Pd/Pt/Au three-layer films on p-GaN under high and ultra-high vacuum conditions was studied to investigate the electrical contact properties. Linear I-V curves were observed in samples deposited under ultra-high vacuum conditions, while nonlinear I-V characteristics were obtained in samples deposited under high vacuum conditions. The study also found that the samples deposited under high vacuum conditions had higher amounts of oxygen and Pd oxide. The oxide layer had an additional influence on the electrical characteristics of the Pd/Pt/Au/p-GaN contact.
Article
Materials Science, Multidisciplinary
Hongli Liu, Chengzhe Liu, Ying Sui, Zhongxian Liu, Tiangang Zhang, Zhiqiang Zhang, Shuang Sun, Jianwei Jia
Summary: This study utilized polysiloxane and hafnium carbide to produce Si-N-C-O-Hf hybridized ceramic fibers, and obtained ceramic fibers with hemispherical particles on the surface through electrostatic spinning and pyrolysis. The ceramic fibers exhibited excellent thermal stability, oxidation resistance, and high temperature insulation.
Article
Materials Science, Multidisciplinary
M. Abaker, Nazar Elamin Ahmed, A. Saad, H. F. Khalil, E. M. M. Ibrahim, A. M. Adam
Summary: This paper systematically studied the internal structure and thermoelectric properties of In1-xGaxSb alloys prepared by melting synthesis at 1123 K. The results showed that doping with Ga in the In sites led to a significant increase in the Seebeck coefficient and power factor, while reducing the thermal conductivity. The maximum dimensionless figure of merit was observed at 403 K.
Article
Materials Science, Multidisciplinary
Fucheng Yu, Jinlong Ren, Jielin Zhang, Haiyang Chen, Xin Tian, Chenchen Feng, Cuixia Li, Jianbin Zhang, Xianxi Tang, Xiaogang Hou
Summary: An environmentally friendly ZnO@BiVO4 composite photocatalyst was prepared using in-situ self-assembly and solvothermal methods, demonstrating good photocatalytic performance. The mass ratio of BiVO4 and NCZ was found to influence the photocatalytic performance of the composite.
Article
Materials Science, Multidisciplinary
Yaoming Shao, Pingping Zheng, Tianhao Dong, Lianghuan Wei, Haifei Wu, Jianxiao Si
Summary: In this paper, Mg3Bi2 films were prepared on glass substrate using magnetron sputtering, and the phase composition and thermoelectric properties of the films were investigated with different atomic ratios. The films displayed a metastable cubic phase and high conductivity when the atomic ratio exceeded stoichiometry.
Article
Materials Science, Multidisciplinary
I. V. Uimanov, D. L. Shmelev, S. A. Barengolts
Summary: A two-dimensional axisymmetric model has been developed to study the prebreakdown processes in a cathode microprotrusion under an external electric field. The simulation results show that electrohydrodynamic instability leads to the formation of a nanometer-sized conical protrusion on the microprotrusion tip, significantly accelerating the heating process.
Article
Materials Science, Multidisciplinary
Weilun Zhang, Di Yang, Feng Gong, Yongjun Chen, Tian Chen, Zhiwen Xie, Sirui Yang
Summary: A novel Pt doping method was designed to improve the thermal stability of CrWN coating. The doping of Pt atoms effectively blocks the coherent growth of the grains and creates a significant mixing effect, resulting in a smooth surface with uniform element distribution.
Article
Materials Science, Multidisciplinary
Xiaoye Wang, Xiaoguang Yang, Wenna Du, Tao Yang
Summary: In this study, the effects of multiple growth parameters on self-catalyzed growth of InAs/GaSb axial heterostructured nanowires on Si substrate by MOCVD were investigated. It was found that the growth temperature and switching time have significant influences on the nanowire growth.
Article
Materials Science, Multidisciplinary
Weizhong Cui, Yan Zhao, Can Cui, Xing Liu, Beili Pang, Jianguang Feng, Hongzhou Dong, Liyan Yu, Lifeng Dong
Summary: This study introduces Co2+ cations into Cs2AgBiBr6 film to improve its quality, grain size, and conductivity, resulting in enhanced solar cell efficiency.
Article
Materials Science, Multidisciplinary
Jian Wang, Ke Yang, Xianming Cheng, Yalin Lu, Ganghui Wu, Yang Zhang, Yun Kan
Summary: The corrosion behavior and microstructural evolution of Sc microalloyed Al-3.2Cu-1.5Li alloys were investigated in detail. The microstructural results showed higher levels of dislocations density in the Sc microalloyed sample, which resulted in significantly refined grains and T1 precipitates. Microalloying with Sc changed the corrosion mode of the alloy and localized corrosion was found to occur preferentially at the subgrain within unrecrystallized grains with high grain stored energy.
Article
Materials Science, Multidisciplinary
Weifeng Liu, Na Liu, Kaiqiang Song, Meiqin Zeng, Zhongchen Lu
Summary: Monoclinic WO3 prepared through plasma milling exhibits higher photocatalytic activity due to its higher surface area, increased oxygen vacancies, and defects.
