Article
Chemistry, Physical
Mehdi D. Esrafili, Saeideh Abolghasemzadeh
Summary: The adsorption behavior of CO2 molecules on B-38 fullerene is analyzed using density functional theory calculations. It is observed that CO2 molecules chemisorb on the B-B bond surrounding the hexagon holes of B-38 and act as a Lewis acid. The study suggests that B-38 fullerene may be utilized for CO2 separation from gas mixtures based on its higher adsorption energy compared to other molecules.
CHEMICAL PHYSICS LETTERS
(2022)
Article
Polymer Science
Dong Gi Hong, Ji-Hoon Baik, Sangwan Kim, Jong-Chan Lee
Summary: Cross-linked solid polymer electrolytes (SPEs) based on ion-conducting poly(ethylene glycol), flexible polysiloxane, and anion-trapping boron cross-linker were prepared for lithium metal batteries. The SPEs exhibited thermally stable and high ionic conductivity, effectively suppressing the formation and growth of lithium dendrites.
Article
Chemistry, Multidisciplinary
Jianyu Li, Zimo Pang, Chao Gao, Guangyue Zhang, Jianhong Dai, Tao Chen, Xin Su, Weiwei Zhou
Summary: A universal all-in-one blowing strategy, that integrates the carbonization and chalcogenization processes, is developed to fabricate as many as 32 kinds of transition metal chalcogenides/carbon nanosheets composites (termed TMCs@CNS). Both physical and chemical evolution processes have been studied to reveal the blowing mechanism. The highly tunable composition and structure of the products confer on them great promise in diverse fields.
ADVANCED FUNCTIONAL MATERIALS
(2023)
Article
Electrochemistry
Javed Muhommad, Lakshya Kumar, Purna K. Baruah, Manash R. Das, Sasanka Deka
Summary: This study investigates a new series of Cu-Co-B amorphous alloy nanosheets as electrode materials for energy storage, showing significant improvement in energy storage compared to state-of-the-art materials and flexible devices.
BATTERIES & SUPERCAPS
(2022)
Article
Chemistry, Multidisciplinary
Adrian Hemmi, Ari Paavo Seitsonen, Thomas Greber, Huanyao Cun
Summary: The production of high-quality hexagonal boron nitride (h-BN) is crucial for 2D materials-based devices, and excluding carbon during the process is important to prevent the formation of graphene. Surface reaction-assisted conversion from h-BN to graphene can be achieved through high-temperature treatments.
Article
Chemistry, Multidisciplinary
Gregorio Guzman-Gonzalez, Soline Vauthier, Marta Alvarez-Tirado, Stephane Cotte, Laurent Castro, Aurelie Gueguen, Nerea Casado, David Mecerreyes
Summary: A family of single-ion lithium conducting polymer electrolytes based on highly delocalized borate groups has been reported, with the effect of substituents on boron atom analyzed. The polymer with flexible and electron-withdrawing substituents demonstrates the highest ionic conductivity among reported lithium single-ion conducting homopolymers. Combining high lithium transference number and good electrochemical stability, it shows promise for application in lithium batteries.
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
(2022)
Article
Nanoscience & Nanotechnology
Maria Privado, Fernando G. Guijarro, Pilar de la Cruz, Rahul Singhal, Fernando Langa, Ganesh D. Sharma
Summary: By optimizing the ratio of donor and acceptor materials, incorporating a blend of fullerene and non-fullerene acceptors into the active layer of organic solar cells has resulted in improved photovoltaic performance. The study suggests that the appropriate phase separation, increased crystallinity, and reduced π-π stacking distance in the ternary active layer are consistent with enhanced fill factors for the solar cells.
ACS APPLIED MATERIALS & INTERFACES
(2021)
Article
Chemistry, Multidisciplinary
Taejun Eom, Viktor Barat, Anzar Khan, Mihaiela C. Stuparu
Summary: A combination of supramolecular and covalent chemistry is used to create fullerene-containing polymer nanoparticles with a core-shell structure, overcoming the issue of poor water solubility.
Article
Materials Science, Multidisciplinary
Yanan Li, Shunchao Ma, Yuehua Zhao, Silin Chen, Tingting Xiao, Hongxing Yin, Huiyu Song, Xiumei Pan, Lina Cong, Haiming Xie
Summary: This study proposes a boron-rich hexagonal polymer structured all-solid-state polymer electrolyte (BSPE+10% LiBOB) with regulated intermolecular interaction to balance high Li+ transference number and stable SEI properties. The Li+ transference number of the electrolyte is increased from 0.23 to 0.83, and more LiF and Li3N are formed in the SEI layer, resulting in significantly improved cycling performance of Li batteries.
ENERGY & ENVIRONMENTAL MATERIALS
(2023)
Article
Energy & Fuels
Zinaida Shakel, Francisco J. A. Loureiro, B. M. G. Melo, D. Pukazhselvan, Sergey M. Mikhalev, Aliaksandr L. Shaula, Duncan P. Fagg
Summary: This work provides a detailed analysis of the electrochemical properties of lithium titanium phosphate grain boundary in all-solid-state lithium-ion batteries. The addition of boron significantly improves both the bulk and grain boundary conductivities due to Li-enrichment associated with charge compensation for the boron doping. Detailed analysis using the brick layer model and space charge analysis reveals a lower depletion of Li+ species at the grain boundary of the boron-doped sample, leading to a higher intrinsic grain boundary conductivity and overall conductivity.
JOURNAL OF ENERGY STORAGE
(2023)
Review
Chemistry, Physical
Longli Ma, Jian Tan, Yuan Wang, Zhu Liu, Yifan Yang, Tia Gray, Xiang Zhang, Mingxin Ye, Jianfeng Shen
Summary: With the development of energy storage technology, the demand for high energy density and high security batteries is increasing, making the research of lithium battery (LB) technology an extremely important pursuit. However, the poor structural stability of electrode materials, high interfacial impedance between electrolyte and electrode, and the growth of lithium dendrites have seriously hindered the commercialization of LBs. Recently, boron-based materials have been widely used in different LB components to resolve these problems.
ADVANCED ENERGY MATERIALS
(2023)
Article
Chemistry, Physical
E. A. Il'ina, E. D. Lyalin, T. A. Kuznetsova, A. A. Pankratov
Summary: The addition of Li2O-B2O3-SiO2 glass can effectively reduce the interface resistance between solid electrolyte and solid cathode, resulting in tight contact between LiCoO2 and composite electrolyte based on Li7La3Zr2O12.
Article
Engineering, Chemical
Yanan Pan, Jianguo Yu, Sen Lin
Summary: A new strategy for synchronously extracting lithium and boron from brines is proposed based on the anionic interchangeability and plate composition tuning of Li/Al-LDHs. The study shows that available boron significantly enhances the Li+ adsorption through co-adsorption and expanded layer spacing. Moreover, pH plays a significant role in regulating the adsorption/desorption performance of boron due to its variable existence forms. Synchronous extraction experiments demonstrate that in the low-salt system, the lithium-boron approach achieves better extraction for both lithium and boron, while in high-salt brines, the boron-lithium approach is more suitable with a high desorption driving capacity, resulting in an extraction of 82.13% lithium and 85.88% boron. Combined with further application validation, the boron-lithium strategy can achieve a lithium resource utilization rate of 84.19% and a boron resource utilization rate of 95.02% for the Yiliping salt lake brine.
CHEMICAL ENGINEERING SCIENCE
(2023)
Article
Biochemistry & Molecular Biology
Ilya Kolesnikov, Daria Mamonova, Dmitrii Pankin, Gulia Bikbaeva, Anastasia Khokhlova, Anna Pilip, Anastasia Egorova, Vladislav Zigel, Alina Manshina
Summary: Phosphonate-fullerene hybrids are a new generation of compounds that exhibit bioactivity, photoswitchable properties, and high selectivity of response to light wavelength. Experimental results show that these hybrids have increased cholinesterase inhibition compared to pure phosphonates and demonstrate pronounced changes in inhibition degree under laser irradiation.
PHOTOCHEMISTRY AND PHOTOBIOLOGY
(2023)
Review
Chemistry, Multidisciplinary
Sejeong Kim
Summary: Two-dimensional materials have been widely used in various scientific research areas and the concept of constructing photonic devices exclusively from 2D materials has emerged. This review introduces photonic devices solely consisting of 2D materials, including photonic waveguides, lenses, and optical cavities. These devices enable the thinnest possible devices due to their high refractive index, and the unique characteristics of 2D materials may provide intriguing applications.
NANOSCALE ADVANCES
(2023)
Article
Nanoscience & Nanotechnology
Spyridon G. Kosionis, Emmanuel Paspalakis
Summary: In this study, we theoretically investigate the pump-probe response and the four-wave mixing spectrum in a hybrid system composed of a semiconductor quantum dot and a spherical metal nanoparticle. Using a density matrix methodology, we calculate the absorption/gain, dispersion, and four-wave mixing spectra, and analyze their spectral characteristics. We also apply the metastate theory and the dressed-state picture to predict the positions of the spectral resonances.
PHYSICA E-LOW-DIMENSIONAL SYSTEMS & NANOSTRUCTURES
(2024)
Article
Nanoscience & Nanotechnology
L. S. Lima
Summary: This study investigates quantum correlation and entanglement in the non-Hermitian Hubbard model. By analyzing quantum entanglement measures such as entanglement negativity and entropy, the effect of non-Hermitian imaginary hopping on the system is explored. It is found that in the large... limit, the non-Hermiticity reverses the behavior of the ground state energy and low-lying excitations.
PHYSICA E-LOW-DIMENSIONAL SYSTEMS & NANOSTRUCTURES
(2024)
Article
Nanoscience & Nanotechnology
Nam-Chol Ri, Chung-Sim Kim, Sang-Ryol Ri, Su-Il Ri
Summary: By decreasing the lattice thermal conductivity of GNR through chemical derivation and strain, enhancing the thermoelectric properties of the electron part can be an important method to approach PGEC. This paper proposes synthesized hybrid systems formed by chemical derivation in the middle parts of b-AGNRs, and investigates the band structures and thermoelectric properties of the electron part under different strains. The results show that the band gaps of the systems significantly increase under different strains.
PHYSICA E-LOW-DIMENSIONAL SYSTEMS & NANOSTRUCTURES
(2024)
Article
Nanoscience & Nanotechnology
Le T. T. Phuong, Tran Cong Phong
Summary: This study investigates the effects of gas molecules adsorbed on /312-borophene on its electronic heat capacity and thermal Schottky anomaly. The results show that the adsorbed gas molecules have different impacts on the electronic heat capacity, leading to the generation of various new energy levels.
PHYSICA E-LOW-DIMENSIONAL SYSTEMS & NANOSTRUCTURES
(2024)
Article
Nanoscience & Nanotechnology
Tianyan Jiang, Jie Fang, Wentao Zhang, Maoqiang Bi, Xi Chen, Junsheng Chen
Summary: This paper investigates the adsorption and sensing properties of transition metal-doped WSSe gas-sensitive devices towards H2, CO, and CO2 gases related to thermal runaway in Li-ion batteries using density functional theory. The results show that Ti, Mn, and Mo dopants preferentially bind to the S-surface of the WSSe monolayer, and all three monolayers exhibit significantly improved sensing characteristics, with chemisorption towards CO. Band structure analysis suggests that the Ti-WSSe monolayer has the potential to be used as a resistive CO detection sensor. Recovery time calculations indicate the reuse capabilities of the gas-sensitive devices. Mn-WSSe monolayer shows potential for H2 detection, while Mo-WSSe monolayer is more suitable for CO2 detection. This work lays the foundation for potential gas-sensitive applications of WSSe monolayer in thermal runaway scenarios, advancing research in gas sensing domains.
PHYSICA E-LOW-DIMENSIONAL SYSTEMS & NANOSTRUCTURES
(2024)
Article
Nanoscience & Nanotechnology
Olga A. Alekseeva, Aleksandr A. Naberezhnov, Ekaterina Yu. Koroleva, Aleksandr Fokin
Summary: This study investigates the temperature dependence of crystal structure and dielectric response in a nanocomposite material containing porous glasses and embedded sodium nitrate. The results reveal a crossover point in the temperature dependence of the order parameter of the structural transition in sodium nitrate nanoparticles, as well as a decrease in activation energy of sodium ions hopping conductivity during heating.
PHYSICA E-LOW-DIMENSIONAL SYSTEMS & NANOSTRUCTURES
(2024)
Article
Nanoscience & Nanotechnology
Lijun Cheng, Fang Cheng
Summary: This paper investigates the effects of electric and magnetic fields on the Goos-Hanchen (GH) shift in a semi-Dirac system. The results show that the magnitude and direction of the GH shift depend on various factors such as incidence angle, electric barrier height and width, and magnetic field. It is observed that there is a saltus step in GH shifts at the critical magnetic field, which decreases with increased potential barrier thickness. Additionally, the GH shift can be significantly enhanced by applying an electric field in the III region. These findings are important for the development of semi-Dirac based electronic devices.
PHYSICA E-LOW-DIMENSIONAL SYSTEMS & NANOSTRUCTURES
(2024)
Article
Nanoscience & Nanotechnology
Alexander K. Fedotov, Uladzislaw E. Gumiennik, Julia A. Fedotova, Janusz Przewoznik, Czeslaw Kapusta
Summary: The study conducted an improved analysis of carrier transport in single-layer graphene and hybrid structures, showing the coexistence of negative and positive contributions in magnetoresistive effect. Various models were used to analyze the dependences on temperature and magnetic field, providing insights into the behavior of electrical resistance in the structures.
PHYSICA E-LOW-DIMENSIONAL SYSTEMS & NANOSTRUCTURES
(2024)
Article
Nanoscience & Nanotechnology
Xuhui Peng, Tao Chen, Ruotong Chen, Shizheng Chen, Qing Zhao, Xiaoping Huang
Summary: In this study, a novel method was proposed to design and fabricate optoelectronic devices with highly precise controlled photorefractive liquid crystal structures. By utilizing quantum dots and electric tuning, a regular periodic grating was formed in a quantum dot-doped liquid crystal volume illuminated by a laser standing evanescent wave field. The obtained optical diffraction pattern showed equally spaced light spots and high diffraction efficiency, indicating a significant change in the refractive index of the nanostructured device.
PHYSICA E-LOW-DIMENSIONAL SYSTEMS & NANOSTRUCTURES
(2024)
Article
Nanoscience & Nanotechnology
Kai-Hua Yang, Xiao-Hui Liang, Huai-Yu Wang, Yi-Fan Wu, Qian-Qian Yang
Summary: In this work, a theoretical model is proposed to achieve the controllability of quantum interference and decoherence. The effects of intralead Coulomb interaction, interdot tunneling, and electron-phonon interactions on differential conductance are investigated. The results show the appearance of destructive interference, Fano interference, and negative differential conductance in strong dot-lead tunneling regions, while a characteristic pattern of positive and negative differential conductances appears in the weak dot-lead tunneling regime.
PHYSICA E-LOW-DIMENSIONAL SYSTEMS & NANOSTRUCTURES
(2024)
Article
Nanoscience & Nanotechnology
Xueying Wang, Qian Ma, Qi Zhang, Yi Wang, Lingyu Li, Dongheng Zhao, Zhiqiang Liu
Summary: Porous double-channel alpha-Fe2O3/SnO2 heterostructures with tunable surface/interface transport mechanism were successfully fabricated by electrospinning and calcination. These heterostructures exhibited a large specific surface area, providing more active sites and enhanced adsorption capacity. The optimal composite materials showed the highest response value and the fastest response/recovery times to DMF, along with good cycling performance, long-term stability, and high gas selectivity.
PHYSICA E-LOW-DIMENSIONAL SYSTEMS & NANOSTRUCTURES
(2024)
Article
Nanoscience & Nanotechnology
Donglin Guo, Zhengmeng Xu, Chunhong Li, Kejian Li, Bin Shao, Xianfu Luo, Jianchun Sun, Yilong Ma
Summary: Using full electron-phonon interactions and the Boltzmann transport equation, this study investigates the phonon scattering channel and electrical properties of graphene under anharmonic phonon renormalization (APRN). The results show that the APRN reduces the phonon frequency and three-phonon phase space with increasing temperature, affecting the acoustic branch more than the optical branch. The thermal conductivity of graphene decreases after considering three- and four-phonon scattering, and the primary scattering channels are identified. Furthermore, the APRN increases the strength of electron-phonon coupling and leads to an increase in n-type electric resistance at room temperature.
PHYSICA E-LOW-DIMENSIONAL SYSTEMS & NANOSTRUCTURES
(2024)
Article
Nanoscience & Nanotechnology
Hongping Zhao, Man Zhao, Dayong Jiang
Summary: The study proposes a broadband photodetector with high response, high sensitivity, and controllable band by integrating quantum dots and highly conductive materials. The PD composed of ZnO film/PbS quantum dots heterostructure shows excellent photoresponse performance in the UV-Vis-NIR range, with the peak responsivity increased by 550%, accompanied by significant red shift, faster response, and recovery speed. By using RF magnetron sputtering to prepare ultra-thin ZnO film, the impact of PbS quantum dots on the photoelectric properties of ZnO film is comprehensively and systematically discussed.
PHYSICA E-LOW-DIMENSIONAL SYSTEMS & NANOSTRUCTURES
(2024)
Article
Nanoscience & Nanotechnology
Ye Xuan Meng, Liwei Jiang, Yisong Zheng
Summary: Manipulating magnetism by electrical means is an effective method for realizing ultra-low power spintronic-integrated circuits. In this study, it is demonstrated that the two-dimensional semiconductor material InO monolayer can be tuned to a half-metallic state by applying a gate voltage, providing theoretical guidance for adjusting two-dimensional magnetic semiconductors.
PHYSICA E-LOW-DIMENSIONAL SYSTEMS & NANOSTRUCTURES
(2024)
Article
Nanoscience & Nanotechnology
Anusha Kachu, Aalu Boda
Summary: In this research, we investigated the impact of confinement nature on a neutral hydrogenic donor impurity in a quantum dot. The study demonstrated intriguing behavior in response to changes in potential shape, quantum dot parameters, and spin-orbit coupling strengths. The findings provide valuable insights into the fundamental physics of quantum dots and impurities and can aid in the design and optimization of QD-based technologies.
PHYSICA E-LOW-DIMENSIONAL SYSTEMS & NANOSTRUCTURES
(2024)