Article
Multidisciplinary Sciences
Justus Bohn, Ting Shan Luk, Craig Tollerton, Sam W. Hutchings, Igal Brener, Simon Horsley, William L. Barnes, Euan Hendry
Summary: The study focuses on the pump-dependent properties of plasmon resonance in the ENZ region of indium tin oxide (ITO) thin film, demonstrating a thermal switching mechanism and highlighting a previously unisolated two-beam coupling contribution in ENZ nonlinear optics research.
NATURE COMMUNICATIONS
(2021)
Article
Materials Science, Multidisciplinary
Haneen Akram, M. Abdullah, Amin H. Al-Khursan
Summary: This study models the linear optical susceptibility of a double quantum dot-metal nanoparticle hybrid system using density matrix equations. The interaction between excitons and surface plasmons is considered. The results show that the absorption of the hybrid system increases by five times compared to the bare double quantum dot system. The absorption peak decreases with increasing nanoparticle radius. A Mollow triplet with asymmetric sidebands is observed and decreases with increasing nanoparticle radius.
CURRENT APPLIED PHYSICS
(2022)
Article
Chemistry, Physical
Jianan Gu, Hao Chen, Yu Shi, Zhenjiang Cao, Zhiguo Du, Bin Li, Shubin Yang
Summary: Researchers have developed a method using SWA-MXene layers to control lithium deposition and improve the application of lithium metal anodes in lithium-ion batteries. This method allows for the uniform distribution of lithium ions and electric field, eliminating the lightning-rod effect on the electrode surface and improving the efficiency and cycle life of lithium nucleation.
ADVANCED ENERGY MATERIALS
(2022)
Article
Materials Science, Ceramics
A. Venkata Sekhar, A. Siva Sesha Reddy, A. Kityk, J. Jedryka, P. Rakus, A. Wojciechowski, V. Ravi Kumar, N. Veeraiah
Summary: The addition of different contents of NiO to Li2SO4-MgO-P2O5 glass resulted in an increase in the proportion of O-h Ni2+ ions and a stronger THG beam intensity up to 0.8 mol% NiO. Glass samples doped with approximately 0.8 mol% NiO were found to be more favorable for optoelectronic devices due to their low phonon losses. However, a higher content of NiO led to an increase in polymerization and hindered achieving a higher THG signal intensity.
CERAMICS INTERNATIONAL
(2021)
Article
Engineering, Electrical & Electronic
Jun Guo, Tian-Yi Yang, Si-Yu Guo, Xu-Dong Zhang, Bang-Yong Wang, Yan-Zhao Xie, Jian Wu, Yan Jing
Summary: This paper investigates the reliability of the lightning fractal model in predicting attachment probability in direct lightning protection. A series of attachment tests were conducted and the simulation values were found to be consistent with the test values, indicating good reliability of the lightning fractal model.
IEEE TRANSACTIONS ON POWER DELIVERY
(2022)
Article
Chemistry, Physical
Qing Li, Xinran Li, Jiawei Gu, Yanle Li, Ziqi Tian, Huan Pang
Summary: The synthesis of porous rod-like Ni2P/Ni assemblies via a simple phosphating approach has shown excellent activity in the urea oxidation reaction. The catalyst exhibits low overpotential and Tafel slope, with outstanding durability in electrolytic cells. This work provides a new possibility for fabricating metal phosphides-metal assemblies with advanced performance.
Article
Engineering, Environmental
Xiaoxuan Wang, Liang Zhao, Rui Zhao, Yixiang Zhou, Shiyu Wang, Xinyue Chi, Yuanyuan Xiong, Yebo Yao, Kaixin Zhang, Yongjia Li, Zhiyu Yang, Yi-Ming Yan
Summary: This study enhances the efficiency of the electrocatalytic nitrogen reduction reaction (ENRR) by designing an electrocatalyst with a high-curvature structure that generates a strong local electric field, resulting in increased concentration of N-2 and improved NH3 yield.
CHEMICAL ENGINEERING JOURNAL
(2022)
Article
Multidisciplinary Sciences
Alexandra Tavasoli, Abdelaziz Gouda, Till Zahringer, Young Feng Li, Humayra Quaid, Camilo Viasus J. Perez, Rui Song, Mohini Sain, Geoffrey Ozin
Summary: This study demonstrates improved photocatalytic dry reforming performance by selectively phosphating the surface of a CeO2 nanorod support to modulate the surface basicity of a Ni-CeO2 photocatalyst. An optimum phosphate content is found, leading to little activity loss and carbon deposition over a 50-hour reaction period. The enhanced performance is attributed to the Lewis basic properties of the PO43- groups, which improve CO2 adsorption, facilitate the formation of small nickel metal clusters, and provide mechanical stability. A hybrid photochemical-photothermal reaction mechanism is also demonstrated.
NATURE COMMUNICATIONS
(2023)
Article
Physics, Applied
Thomas Produit, Pierre Walch, Clemens Herkommer, Amirhossein Mostajabi, Michel Moret, Ugo Andral, Antonio Sunjerga, Mohammad Azadifar, Yves-Bernard Andre, Benoit Mahieu, Walter Haas, Bruno Esmiller, Gilles Fournier, Peter Kroetz, Thomas Metzger, Knut Michel, Andre Mysyrowicz, Marcos Rubinstein, Farhad Rachidi, Jerome Kasparian, Jean-Pierre Wolf, Aurelien Houard
Summary: Lightning is highly destructive due to its high power density and unpredictable character. Laser technology is being developed to control and guide lightning for the protection of sensitive sites. The research project focuses on the propagation of laser in the multiple filamentation regime and its ability to control high-voltage discharges.
EUROPEAN PHYSICAL JOURNAL-APPLIED PHYSICS
(2021)
Article
Engineering, Electrical & Electronic
David Clark, Salah Mousa, Noureddine Harid, Huw Griffiths, Abderahmane Haddad
Summary: This article evaluates the performance of high frequency electrodes under typical lightning impulse current magnitudes, and investigates the enhancement of such electrodes by adding bonded horizontal arms. The results show that the impedance of the electrode decreases with increasing rod length at low impulse current magnitudes, and the presence of horizontal enhancement reduces the impedance in all cases.
IEEE TRANSACTIONS ON ELECTROMAGNETIC COMPATIBILITY
(2021)
Article
Chemistry, Multidisciplinary
Ting Wang, Devin K. Brown, Xing Xie
Summary: The growth of undesired bacteria can be rapidly inactivated by locally enhanced electric field treatment (LEEFT), which induces electroporation. This study provides the first visualization and mechanism elucidation of LEEFT for bacteria inactivation at the single-cell level, demonstrating its potential for future applications.
Article
Engineering, Mechanical
Meng Zhang, Chongqi Gao, Chaohua Wang, Jingpu Li, Guifeng Zhao, Chao Sun
Summary: This study investigates the mechanism of fracture in a collapsed lightning rod on a 500-kV substation frame in central China. Comprehensive analyses on fracture morphology, metallurgical structure, chemical composition, and mechanical properties of materials at the fracture site are conducted. The results indicate that wind-induced fatigue damage and welding residual stress significantly affect the fatigue life of the structure. Therefore, a complete analysis of the structure under complex wind-induced dynamic effects is necessary in engineering design, along with strict quality control in welding and measures to reduce residual stresses during manufacturing and installation.
ENGINEERING FAILURE ANALYSIS
(2023)
Article
Materials Science, Ceramics
Yi Di, Tianshi Qin
Summary: In this study, dispersed Ni species over the surface of plasmonic TiN nanocrystals (TiN@Ni) were manufactured using a wetness impregnation method. The bifunctional TiN@Ni nanocrystals combined with monolayer MXene to form a continuous conductive matrix, serving as a counter electrode for dye-sensitized solar cells (DSSC), resulting in enhanced electrocatalytic performance and power conversion efficiency.
CERAMICS INTERNATIONAL
(2022)
Article
Environmental Sciences
Sarah H. Peterson, Joshua T. Ackerman, C. Alex Hartman, Michael L. Casazza, Cliff L. Feldheim, Mark P. Herzog
Summary: Bioaccumulation of mercury in raccoons and striped skunks in Suisun Marsh, California was found to be high, with raccoons showing particularly elevated levels compared to other wild mammals. The concentrations of mercury in their hair were influenced by wetland habitat area and proportion of wetted habitat in raccoon home ranges, indicating possible exposure to methylmercury bioaccumulation in brackish marshes.
ENVIRONMENTAL POLLUTION
(2021)
Article
Chemistry, Physical
Zhengwei Xiong, Hongwen Lei, Jia Yang, Yi Liu, Zhipeng Gao, Yuxin Li, Chenchun Hao, Jian Wang
Summary: A tunable nanocomposite structure composed of Ni nanoparticles with various morphologies and controllable BaTiO3 films was designed, showing absorption and photoluminescence enhancement in the deep-ultraviolet region. The study revealed that embedding more Ni NPs can increase electron-hole recombination possibilities, enhancing optical emission intensity and expanding the emission range.
JOURNAL OF ALLOYS AND COMPOUNDS
(2022)
Article
Nanoscience & Nanotechnology
Mohamed ElKabbash, Theodore Letsou, Sohail A. Jalil, Nathaniel Hoffman, Jihua Zhang, James Rutledge, Andrew R. Lininger, Chun-Hao Fann, Michael Hinczewski, Giuseppe Strangi, Chunlei Guo
Summary: Optical coatings are crucial for optical instruments, with Fano-resonant optical coatings (FROCs) offering a new solution with photonic Fano resonance properties. FROCs allow control over reflection colors and can spectrally and spatially separate the thermal and photovoltaic bands of the solar spectrum, potentially addressing the dispatchability issue in photovoltaics.
NATURE NANOTECHNOLOGY
(2021)
Article
Chemistry, Multidisciplinary
Zhihao Li, Xianggui Zhou, Subhash Singh, Xiaoming Wei, Chunlei Guo, Weishan Li
Summary: Platinum has high electrocatalytic activity but can be poisoned by certain substances. This study reveals that platinum loses its electrocatalytic activity for methanol oxidation in the presence of lead contamination. The decrease in activity is demonstrated by comparing methanol oxidation current using a lead counter electrode versus a platinum counter electrode. The mechanism is attributed to the adsorption of trace lead ions from the lead counter electrode, as confirmed by calculating binding energies. This report is important for the design and management of direct methanol fuel cells, considering the potential negative effect of trace lead contamination.
CHINESE CHEMICAL LETTERS
(2023)
Article
Chemistry, Multidisciplinary
Gan Yuan, Yu Liu, Fei Xie, Chunlei Guo, Chi-Vinh Ngo, Wei Li
Summary: This study uses femtosecond lasers to create micro-nanostructures on aluminum alloy substrates as molds for imprinting on polypropylene materials. The resulting superhydrophobic surfaces exhibit excellent rain collection efficiency, especially in arid areas, with potential for more than 100% improvement compared to flat surfaces.
Article
Materials Science, Multidisciplinary
Chen Zhao, Cailing Chen, Ran Wei, Yuting Zou, Wenchi Kong, Tao Huang, Zhi Yu, Jianjun Yang, Feng Li, Yu Han, Chunlei Guo, Weili Yu
Summary: A novel approach was developed to introduce silver sulfide quantum dots into a MAPbBr(3) single crystal, resulting in high-quality Ag2S-quantum-dot-in-perovskite matrixes with broadband light sensitivity and balanced carrier mobility. The synthesized Ag2S-QDiP-enabled photodetector showed significantly enhanced responsivity and detectivity in the near-infrared region. This study highlights the potential of introducing quantum dots into perovskite single crystal as an efficient strategy for tuning fundamental properties and developing high-efficiency electronic and optoelectronic devices.
ADVANCED OPTICAL MATERIALS
(2022)
Article
Materials Science, Multidisciplinary
Yu Liu, Gan Yuan, Chunlei Guo, Chi-Vinh Ngo, Wei Li
Summary: This study compares three different methods to achieve superhydrophobic anti-corrosion aluminum surfaces for working in an engine coolant environment and identifies the most suitable method.
Article
Chemistry, Physical
Sandeep Kumar Chamoli, Mohamed ElKabbash, Chunlei Guo
Summary: Plasmonic interconnects offer a compact platform for high modulation-depth optical switches. A novel scheme using a phase-change material-based switchable grating is introduced for ultracompact and high modulation depth plasmonic switching.
Article
Chemistry, Multidisciplinary
A. Shukla, S. C. Singh, C. S. Saraj, G. Verma, C. Guo
Summary: The synthesis of fine nanoparticles without undesired chemical residues is crucial for driving chemical kinetics. A physical top-down approach was presented in this study to produce electrocatalysts for overall water splitting. Different laser pulse energies and media conditions led to the production of nanoparticles with different crystalline phases, with the best-performing sample showing beneficial active sites for hydrogen and oxygen generation at the Ni/NiO interface.
MATERIALS TODAY CHEMISTRY
(2022)
Article
Chemistry, Physical
Yu Liu, Gan Yuan, Fei Xie, Yang An, Jianwen Sun, Ning Zhao, Yongbo Deng, Longnan Li, Subhash C. Singh, Chi-Vinh Ngo, Wei Li, Chunlei Guo
Summary: Water, sanitation, and hygiene (WASH) investments are crucial to prevent and recover from pandemics and outbreaks, and to prevent antimicrobial resistance. However, over 2 billion people lack access to proper sanitation, leading to devastating impacts on public health and economic development. A femtosecond laser processing technology combined with silicone oil coating has been developed to create a slippery surface that repels feces, known as the fecalphobic surface. This surface requires minimal water and allows for easy removal of solids, improving sanitation solutions.
COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS
(2023)
Article
Optics
Kwang Jin Lee, Ran Wei, Ye Wang, Jihua Zhang, Wenchi Kong, Sandeep Kumar Chamoli, Tao Huang, Weili Yu, Mohamed ElKabbash, Chunlei Guo
Summary: Placing three-dimensional lead-halide perovskite films on hyperbolic metamaterials can significantly decrease the recombination rate and prolong the carrier lifetime. This decrease is attributed to the dominant in-plane transition dipole of the films. The insights gained from this study offer novel means to enhance the efficiency of perovskite-based optoelectronic and photonic devices.
Article
Chemistry, Multidisciplinary
Chi-Vinh Ngo, Yu Liu, Wei Li, Jianjun Yang, Chunlei Guo
Summary: Conversion of a regular metal surface to a superhydrophobic one using laser processing shows great potential for applications such as anti-fouling, anti-corrosion, and anti-icing. This study demonstrates a facile laser technique that can convert the wetting behavior of aluminum surface from hydrophilic to hydrophobic and superhydrophobic with single-shot nanosecond laser irradiation. This technique offers a fast and scalable method to produce laser-induced surface superhydrophobicity.
Article
Chemistry, Physical
Chaudry Sajed Saraj, Subhash C. Singh, Gopal Verma, Amged Alquliah, Wei Li, Chunlei Guo
Summary: Researchers developed a physical method of electric field-assisted pulsed laser ablation in liquid for the synthesis of pure CuMoO4 (CMO) electrocatalysts. This method can control the morphology, crystallinity, and composition of the catalysts and enhance their hydrogen evolution reaction performance.
APPLIED SURFACE SCIENCE ADVANCES
(2023)
Article
Chemistry, Multidisciplinary
Zihao Li, Luheng Tang, Hanbin Wang, Subhash C. Singh, Xiaoming Wei, Zhongmin Yang, Chunlei Guo
Summary: This paper reports a novel water collector design based on a nature-inspired hybrid superhydrophilic/superhydrophobic aluminum surface, which can provide a sustainable solution to global water shortage. The surface, fabricated by combining laser and chemical treatments, achieves a 163° contrast in contact angles between the superhydrophilic pattern and the superhydrophobic background. This unique superhydrophilic/superhydrophobic combination presents a self-pumped mechanism, providing the hybrid collector with highly efficient water harvesting performance. Based on simulations and experimental measurements, the water harvesting rate of the repeating units of the pattern was optimized, and the corresponding hybrid collector achieves a water harvesting rate of 0.85 kg m(-2) h(-1). Additionally, the hybrid collector exhibits good stability, flexibility, as well as thermal conductivity, showing great potential for practical application.
ACS SUSTAINABLE CHEMISTRY & ENGINEERING
(2023)
Article
Optics
Chaudry Sajed Saraj, Subhash C. Singh, Gopal Verma, Rahul A. Rajan, Wei Li, Chunlei Guo
Summary: The electrochemical generation of fuels through electrochemical oxidation/reduction of radicals is a green approach, but suffers from slow kinetics. In this study, a saving of about 45% in energy was achieved for the electrochemical hydrogen generation rate by enhancing the reagent concentration through localized electric field. Using laser-induced periodic surface structured (LIPSS) electrodes, the overpotentials for HER and OER were decreased, and the energy reduction capability was demonstrated in various electrolytes. The LIPSS-patterned electrodes also showed enhanced stability and lower potential requirements for driving current density.
OPTO-ELECTRONIC ADVANCES
(2022)
Article
Nanoscience & Nanotechnology
Sandeep Kumar Chamoli, Wei Li, Chunlei Guo, Mohamed ElKabbash
Summary: We theoretically analyze the impact of angular selectivity on the radiative cooling performance of thermal emitters and propose a general scheme to achieve angular and spectral selectivity. We demonstrate that combining these two selectivities is necessary to reach subfreezing temperatures and introduce a thin film stack to realize this scheme.
Review
Chemistry, Physical
Subhash C. Singh, Chunlei Guo
Summary: This review focuses on femtosecond-laser induced broadband and selective solar absorbers and their applications in solar thermoelectric generators and solar-thermal water purification. The article discusses the control methods of surface structures during laser processing and the effects of different structures on optical absorption and emission.
