Article
Materials Science, Multidisciplinary
S. Zarei, M. Hasheminiasari, S. M. Masoudpanah, J. Javadpour
Summary: ZnO-xSnO(2) composite films were prepared by sol-gel spin coating process and characterized. The films showed distinct microstructure with ZnO pyramids on SnO2 nanoparticles. The ZnO-25 mol% SnO2 film exhibited higher photocatalytic degradation of methylene blue dye compared to pristine ZnO and SnO2 films.
JOURNAL OF MATERIALS RESEARCH AND TECHNOLOGY-JMR&T
(2022)
Article
Computer Science, Information Systems
Do Won Kim, Hyeon Joong Kim, Changmin Lee, Kyoungdu Kim, Jin-Hyuk Bae, In-Man Kang, Jaewon Jang
Summary: Sol-gel processed SnO2 thin-film transistors on SiO2/p(+) Si substrates showed thickness and roughness variations influenced by precursor concentration. Optimized 0.030 M precursor resulted in enhanced device performance with specific mobility of 9.38 cm(2)/Vs and positive threshold voltage of 9.83 V.
Article
Materials Science, Ceramics
Hongfei Liu, Chenjun Zhang, Zhiping Zhang, Xiangdong Meng, Xianghua Zeng
Summary: Orthorhombic Sc2Mo3O12 films were successfully prepared via spin coating technique followed by annealing at 500-750 degrees C. The crystallinity of the films improved with higher post-annealing temperatures, demonstrating stable negative thermal expansion properties. The coefficients of thermal expansion in different directions were also determined, showing the overall shrinkage and expansion of the thin film.
CERAMICS INTERNATIONAL
(2021)
Article
Materials Science, Ceramics
Ammar Boukhari, Bahri Deghfel, Abdelhafidh Mahroug, Rabie Amari, Noureddine Selmi, Soorathep Kheawhom, Ahmad Azmin Mohamad
Summary: The study investigated the effect of thickness on the structural, morphological, electronic, and optical properties of pure zinc oxide (ZnO) and 7% Mn-doped ZnO thin films. It was found that as thickness increased, transmittance decreased and bandgap energy inversely varied with coating number. The theoretical and experimental findings were in agreement, showing a decrease in bandgap energy from pure to 6.25% Mn-doped ZnO material.
CERAMICS INTERNATIONAL
(2021)
Article
Materials Science, Multidisciplinary
Hayder J. Al-Asedy, Shuruq A. Al-khafaji, S. K. Ghoshal
Summary: This study investigates the preparation and characterization of ZnO nanofilms deposited on Si substrates through pulsed laser annealing at different wavelengths. It was found that annealing at 355 nm third harmonic generation wavelength produced ZNFs with improved polycrystallinity and lattice orientation, while annealing at 532 nm second harmonic generation wavelength resulted in typical ZnO crystals with apparent orientation. The laser treatment induced changes in the film structure, morphology, optical and electrical properties, showing potential for more efficient oxidation processes.
Article
Materials Science, Multidisciplinary
Sabhya, Akshayakumar Kompa, Dhananjaya Kekuda, M. S. Murari, K. Mohan Rao
Summary: This study investigates HfO2 thin films synthesized from various precursor concentrations using sol-gel processed spin coating method. It was found that films with 0.1 M Hf sol-concentration exhibited larger grain size and better crystallinity. Optical studies revealed the transparency of the films in the wavelength range of 300-1100 nm. Surface morphology studies showed low roughness values and fine spherical grains.
Article
Physics, Condensed Matter
Akshay Surani, Davit Dhruv, Divyarajsinh Zala, D. K. Chudasama, Kush Vachhani, Faizal Mirza, Himanshu Dadhich, P. S. Solanki, N. A. Shah, A. D. Joshi
Summary: In this study, the structural, microstructural, dielectric and impedance properties of low cost Bi0.85La0.15FeO3 thin film grown on FTO glass substrate were investigated. The growth of the film was confirmed by XRD analysis, and surface morphology was examined using scanning probe method. The results showed that the film exhibited complex magnetic field dependent dielectric behavior, indicating the presence of magnetoelectric coupling between spin and lattice.
PHYSICA B-CONDENSED MATTER
(2022)
Article
Materials Science, Ceramics
Yuxia Zhu, Xiangqian Xiu, Fei Cheng, Yuewen Li, Zili Xie, Tao Tao, Peng Chen, Bin Liu, Rong Zhang, You-Dou Zheng
Summary: Beta-Ga2O3 thin films have been successfully prepared on (0001) sapphire substrate using a simple and effective sol-gel spin-coating method with post-annealing process. The films exhibit good crystallinity and smooth surface morphology, comparable or even better than other epitaxial methods. The single-domain-growth mode of beta-Ga2O3 thin film prepared on slightly off-angled (0001) sapphire substrate has been confirmed, showing potential applications in high-quality free-standing GaN substrates.
JOURNAL OF SOL-GEL SCIENCE AND TECHNOLOGY
(2021)
Article
Materials Science, Multidisciplinary
Juan G. Sotelo, Jaime Bonilla-Rios, Fernando Garcia-Escobar, Jose L. Gordillo
Summary: A thin film sensor based on tetragonal SnO2 nanoparticles was fabricated using the sol-gel method and dip-coating technique. The sensing material was produced through a cycling annealing process and low-cost materials were used for the sensor assembly, achieving the advantage of detecting ethanol at lower temperatures.
Article
Materials Science, Ceramics
Bongho Jang, Jaewon Jang, Jae Eun Jang, Hyuk-Jun Kwon
Summary: This study fabricated high-performance SnO2 thin-film transistors (TFTs) at temperatures below 300 degrees C using the combustion-assisted sol-gel method. The results showed that the combustion-assisted solution process significantly increased the field-effect mobility of SnO2 TFTs compared to the conventional solution process, potentially enabling low-cost solution-processed electronics.
CERAMICS INTERNATIONAL
(2022)
Article
Optics
Wuttichai Sinornate, Hidenori Mimura, Wisanu Pecharapa
Summary: This investigation focuses on the structural, optical and electrical properties of Sb-doped/undoped ZnO double layer structure annealed in a nitrogen atmosphere. The study reveals that the crystal structure is deteriorated due to Sb incorporation in the ZnO lattice and nitrogen annealing, and the diffraction intensity decreases with different thicknesses of the ZnO film. The presence of Sb atom in the doped ZnO film is confirmed by depth profile measurement. The transmittance spectra show high transparency with interference fringe, and the photoluminescence spectrum exhibits near-band-edge emission of ZnO without any emission in the visible region. The electrical properties demonstrate diode characteristics and photocurrent under dark and UV irradiation, respectively.
Article
Engineering, Chemical
Akira Miwano, Takehiro Yonezawa, Noriko Yamauchi, Kouichi Nakashima, Yoshio Kobayashi
Summary: The study suggests a new coating technique for thermistors using zirconia, which shows excellent chemical resistance and electrical insulation properties. Pre-silica coating on the substrate can improve the adhesion of ZrO2 films.
Article
Materials Science, Ceramics
S. Laghrib, M. Benhaliliba, H. Adnani, D. Abdi
Summary: Pure and In-doped tin oxide (SnO2) thin layers grown by sol-gel route were studied. Annealing at 500°C for 1 hour resulted in good homogeneity and a smooth uniform surface with a nanostructured appearance. As-grown films showed high transparency in the visible range and absorption in the UV band, with a wide bandgap of 4.1 eV that decreased with Indium doping. The resistivity decreased to 6.08 x 10(-3) Oxcm due to the insertion of Indium cations into the Tin oxide host material. The effects of film number, doping, film thickness, and annealing temperature on the film properties were observed. 30% In-doped SnO2 layers with the lowest resistivity (6.08 x 10(-3) Oxcm) are interesting results for the fabrication of transparent conductive oxide (TCO). These as-grown films can be a competitive TCO as a window layer for solar cell applications due to their high transparency and low resistance caused by In-doping.
JOURNAL OF SOL-GEL SCIENCE AND TECHNOLOGY
(2023)
Article
Materials Science, Multidisciplinary
Ashok Kumawat, Saikat Chattopadhyay, Kamakhya Prakash Misra, R. D. K. Misra, Priyanka Kumari
Summary: The study investigates the effects of Eu doping on the optical properties of sol-gel spin coated ZnO film. The results show that Eu doping decreases microstrain and surface free energy of the ZnO film, leading to changes in photoluminescence intensity and morphology. These findings are important for various applications.
Article
Materials Science, Multidisciplinary
Vedaste Uwihoreye, Zhenni Yang, Jia-Ye Zhang, Yu-Mei Lin, Xuan Liang, Lu Yang, Kelvin H. L. Zhang
Summary: In this study, Ta-doped SnO2 thin films were fabricated via a low-cost sol-gel spin coating method, achieving high electrical conductivity and high optical transparency. The optical bandgaps of the films increased due to Ta doping, however, a bandgap shrinkage was also observed due to many-body interactions. These films exhibit both transparency and conductivity, providing a new platform for optoelectronic and solar cell applications.
SCIENCE CHINA-MATERIALS
(2023)
Article
Automation & Control Systems
Subramanian Kuppusamy, Young Hoon Joo
Summary: This article investigates the switched fault-tolerant tracking control techniques for a permanent magnet synchronous generator (PMSG)-based variable-speed wind energy conversion system (WECS) subject to actuator faults. The proposed fault-tolerant tracking control effectively tracks the optimal trajectory of the system states under known and unknown actuator faults. Stabilization conditions and H-infinity performance index are derived to enhance system performance.
INTERNATIONAL JOURNAL OF ADAPTIVE CONTROL AND SIGNAL PROCESSING
(2023)
Article
Engineering, Electrical & Electronic
Raghul Venkateswaran, Anto Anbarasu Yesudhas, Seong Ryong Lee, Young Hoon Joo
Summary: This paper investigates the control strategy for extracting stable output power and regulating DC-link voltage in a permanent-magnet vernier generator (PMVG)-based wind turbine system (WTS). An integral sliding mode controller (ISMC) is presented for the machine-side converter (MSC) to maximize output power, and a grid-side converter (GSC) is also designed to protect the DC-link and maintain steady output power. The exponential reaching law is employed to ensure stable output power during various wind speed conditions.
INTERNATIONAL JOURNAL OF ELECTRICAL POWER & ENERGY SYSTEMS
(2023)
Article
Engineering, Mechanical
Pratap Anbalagan, Young Hoon Joo
Summary: This study investigates a dissipative-based fuzzy sampled-data control scheme for stabilizing a variable-speed wind turbine system and enhancing its dynamic performance using a fragmented-delayed state looped functional framework.
NONLINEAR DYNAMICS
(2023)
Article
Green & Sustainable Science & Technology
Raghul Venkateswaran, Balasubramani Natesan, Seong Ryong Lee, Young Hoon Joo
Summary: This study proposes a Q-learning MPPT algorithm with FTC scheme for maximum power extraction in a PMVG-based WECS. A model-free sensorless reinforcement Q-learning algorithm-based MPPT method is firstly introduced, followed by the construction of an optimal speed-power curve using the proposed learning algorithm. Additionally, a wind-speed change detection algorithm and FTC method are implemented to ensure the adaptability and stability of the PMVG-based WECS.
IEEE TRANSACTIONS ON SUSTAINABLE ENERGY
(2023)
Article
Automation & Control Systems
Kumarasamy Palanimuthu, Ganesh Mayilsamy, Seong Ryong Lee, Sang Yong Jung, Young Hoon Joo
Summary: This article investigates fault ride-through capability for a grid-connected permanent magnet vernier generator (PMVG)-based wind turbine system (WTS) using coordinated active and reactive power control strategy. The proposed control methods demonstrate their superiority through simulations on 5-kW PMVG, 1.5 MW PMSG-based WTS, and its application potential is shown through the experimental prototype of a 5-kW PMVG-based WTS.
IEEE TRANSACTIONS ON INDUSTRIAL ELECTRONICS
(2023)
Article
Computer Science, Information Systems
Dinesh Elayaperumal, Young Hoon Joo
Summary: This work proposes a multi-expert deep feature fusion method based on the learning spatial variance-key surrounding-aware correlation filter (LSVKSCF) to address various problems in continuous object tracking. By extracting surrounding samples, introducing selective spatial information, and utilizing spatial variance information, this method effectively handles scale changes, occlusion, and boundary effects, achieving good tracking performance on multiple datasets.
INFORMATION SCIENCES
(2023)
Article
Automation & Control Systems
Shanmugam Lakshmanan, Young Hoon Joo
Summary: This article investigates the robust stability of PMSG-based WT systems with ROUs under a fuzzy sampled-data control scheme. The uncertainties in the d-q inductance, system inertia, and stator resistance are considered and modeled as ROUs using white noise sequences. A fuzzy-based sampled-data control is designed to achieve stability against uncertainties and disturbances. Linear matrix inequalities based on looped-Lyapunov functionals are derived to ensure the stability of the T-S fuzzy model for the nonlinear PMSG-based WTs. The derived conditions are validated and compared to show their less conservative nature.
INTERNATIONAL JOURNAL OF ADAPTIVE CONTROL AND SIGNAL PROCESSING
(2023)
Article
Automation & Control Systems
Shanmugam Lakshmanan, Young Hoon Joo
Summary: This paper presents a decentralized observer-based control scheme for large-scale interconnected systems using the integral sliding mode control (ISMC) approach. A novel decentralized observer is designed to estimate the unmeasured states. Sufficient conditions for the asymptotic stability of the interconnected system and the ultimate boundedness of estimation errors are derived using matrix inequality. Numerical simulations validate the theoretical conditions and demonstrate the effectiveness of the proposed control scheme in an interconnected power system with a DFIG-based wind farm.
INTERNATIONAL JOURNAL OF ROBUST AND NONLINEAR CONTROL
(2023)
Article
Automation & Control Systems
Subramanian Kuppusamy, Young Hoon Joo
Summary: This study proposes a nonparallel distribution compensation (PDC) control method for PMSG-based wind energy conversion systems (WECS). By expressing the nonlinear PMSG-based WECS as a Takagi-Sugeno (T-S) fuzzy system, a general non-PDC control strategy is designed via a T-S fuzzy observer. The observer is used to estimate the unmeasurable states of the system, and sufficient conditions are obtained to ensure the stability of the system.
IEEE TRANSACTIONS ON SYSTEMS MAN CYBERNETICS-SYSTEMS
(2023)
Article
Computer Science, Artificial Intelligence
Dongran Song, Ziqun Li, Xiaofei Deng, Mi Dong, Lingxiang Huang, Jian Yang, Mei Su, Younghoon Joo
Summary: Because wind direction is time-varying, yaw is a common state of wind turbines. To improve energy capture and reduce the usage of yaw actuators, a Model Predictive Control (MPC) method based on Fuzzy Deduction Weight Coefficient Evaluator (FDWE) is proposed. The FDWE dynamically adjusts the weight coefficient connecting the objectives of energy capture loss ratio and yaw actuator usage ratio in MPC based on predicted wind direction. Three different strategies are proposed to optimize the fuzzy rule and membership function as part of this complex optimization problem. The results show that the optimized FDWE-MPC using these strategies improves energy capture and reduces yaw actuator usage, indicating promise in reducing production costs for wind turbines.
EXPERT SYSTEMS WITH APPLICATIONS
(2023)
Article
Automation & Control Systems
Ruban Periyanayagam Antonysamy, Seong Ryong Lee, Sang Yong Jung, Young Hoon Joo
Summary: This study proposes a robust sliding mode approach-based current control scheme for the machine side converter and grid side converter of a grid-connected permanent magnet vernier generator (PMVG). The proposed scheme improves steady-state and transient performance, reduces total harmonic distortion in grid current, and enhances power quality. Simulation and experimental results demonstrate the effectiveness of the proposed controller compared to conventional methods.
IEEE TRANSACTIONS ON INDUSTRIAL ELECTRONICS
(2023)
Article
Engineering, Electrical & Electronic
Raghul Venkateswaran, Seong Ryong Lee, Young Hoon Joo
Summary: This paper proposes a stability augmentation scheme using the e1 adaptive scheme for pitch angle control in a PMSG-based wind turbine system with pitch actuator uncertainty. This scheme regulates the pitch angle and maintains the rated rotor speed in the presence of pitch actuator uncertainties. The proposed e1 adaptive scheme is applied to a non-affine PMSG system with uncertainties for variable-speed WTS. The stability and performance of the proposed scheme are proven through bound conditions.
INTERNATIONAL JOURNAL OF ELECTRICAL POWER & ENERGY SYSTEMS
(2023)
Article
Engineering, Electrical & Electronic
Subramanian Kuppusamy, Young Hoon Joo
Summary: This paper proposes novel stabilization criteria for a nonlinear permanent magnet synchronous generator (PMSG)-based wind turbine system (WTS) with sampled-data information under uncertainty and controller gain variations. The nonlinearity in the PMSG-based WTS is modeled using Takagi-Sugeno (T-S) fuzzy systems. A novel looped-type asymmetric augmented Lyapunov-Krasovskii functional (LKF) is developed by taking advantage of the variable characteristic related to the sampling pattern. The dynamic delay partition method is used for the non-fragile sampled-data control design of the T-S fuzzy systems, and the less conservative stabilization criteria are obtained in the form of linear matrix inequality.
INTERNATIONAL JOURNAL OF ELECTRICAL POWER & ENERGY SYSTEMS
(2023)
Article
Automation & Control Systems
Sathiyamoorthi Arthanari, Young Hoon Joo
Summary: This study presents a memory sampled-data control design for the Takagi-Sugeno (T-S) fuzzy-based permanent magnet synchronous generator (PMSG) via an improved looped functional (ILF). The proposed method models the nonlinear PMSG as a T-S fuzzy system and introduces a novel ILF to derive the sufficient criteria. The stabilizsation conditions expressed as linear matrix inequalities (LMIs) ensure the asymptotic stability of the closed-loop system.
IEEE TRANSACTIONS ON SYSTEMS MAN CYBERNETICS-SYSTEMS
(2023)
Article
Automation & Control Systems
Gandhi Velmurugan, Young Hoon Joo
Summary: In this study, a coupled fuzzy controller design was proposed for stabilizing a continuous nonlinear system with external perturbations represented by Takagi-Sugeno fuzzy systems. The controller was developed using non-parallel distributed compensation techniques and a non-quadratic Lyapunov functional was utilized. Stabilization conditions were formulated as linear matrix inequalities using the time derivatives of the non-QLF and Jensen's inequality techniques, ensuring stochastic asymptotic stability of the system with $H_{\infty}$ perturbation damping criterion. Two simulation results were presented to validate the proposed methodologies.
IEEE TRANSACTIONS ON SYSTEMS MAN CYBERNETICS-SYSTEMS
(2023)
Article
Chemistry, Physical
Qi-Wen Chen, Ze-Qing Guo, Jian-Ping Zhou
Summary: Multifunctional continuous solid solutions NFMTO-x were successfully synthesized via a one-step hydrothermal method by controlling the ratio of Mg and Fe. The NFMTO-x materials exhibited enhanced visible light response, effective adsorption and photocatalytic degradation of organic pollutants, CO2 methanation capability, and easy recyclability due to their magnetic properties. This research provides a significant multifunctional material for water purification.
APPLIED SURFACE SCIENCE
(2024)
Review
Chemistry, Physical
George E. Stan, Maziar Montazerian, Adam Shearer, Bryan W. Stuart, Francesco Baino, John C. Mauro, Jose M. F. Ferreira
Summary: Bioactive glasses have the ability to form strong bonds with tissues and release therapeutic ions. However, their biomechanical compatibility limits their use in load-bearing applications. The use of magnetron sputtering technology to fabricate BG coatings shows promise in improving their efficacy and potential for application.
APPLIED SURFACE SCIENCE
(2024)
Article
Chemistry, Physical
Zhaoxuan Wang, Zhicheng Yan, Zhigang Qi, Yu Feng, Qi Chen, Ziqi Song, Meng Huang, Peng Jia, Ki Buem Kim, Weimin Wang
Summary: The corrosion behavior of Fe-60 and Fe-83 ribbons in 0.6 M NaCl was studied. Fe-60 exhibited a local corrosion mode and formed a stable passivation film with higher corrosion resistance, while Fe-83 showed a combination of local and global corrosion modes and had lower corrosion resistance. Controlling the precipitation of nanocrystalline phases and increasing the POx content in the passivation film significantly improved the corrosion resistance of Fe-based glassy alloys.
APPLIED SURFACE SCIENCE
(2024)
Article
Chemistry, Physical
Hao-Kai Peng, Sheng-Yen Zheng, Wei-Ning Kao, Ting-Chieh Lai, Kai-Sheun Lee, Yung- Hsien Wu
Summary: This study investigates the effects of high energy/fluence proton radiation on the performance of HfZrOx-based FeFETs memory with different Zr content. The results show that the characteristics of FeFETs are influenced by proton radiation, and the extent of the influence depends on the Zr content. FeFETs with 50% Zr content exhibit minimal changes in memory window and demonstrate good endurance and retention performance.
APPLIED SURFACE SCIENCE
(2024)
Article
Chemistry, Physical
Zongyi Yue, Guangyi Wang, Zengguang Huang, Sihua Zhong
Summary: In this study, AZO and ITO films were successfully tuned as excellent passivation layers for c-Si surfaces, achieving effective minority carrier lifetime and outstanding optical properties through the optimization of annealing temperature and interfacial silicon oxide.
APPLIED SURFACE SCIENCE
(2024)
Article
Chemistry, Physical
Martin Hruska, Jan Kejzlar, Jaroslav Otta, Premysl Fitl, Michal Novotny, Jakub Cizek, Oksana Melikhova, Matej Micusik, Peter Machata, Martin Vrnata
Summary: This paper presents a detailed study on the hydrogen sensing capabilities of highly nanoporous black gold films. The films exhibit fast response and recovery times at low temperatures. Different levels of nanoporosity were prepared and tested to investigate the sensing properties, and it was found that nanoporous black gold is suitable for hydrogen sensing. The sensitivity of the film depends on its nanoporosity.
APPLIED SURFACE SCIENCE
(2024)
Article
Chemistry, Physical
Yupu Wang, Gaofeng Teng, Chun To Yiu, Junyi Zhu
Summary: In the study of BM-SCO and HSCO thin films, it was found that H vacancies tend to prefer sites near the external surface or oxygen vacancy channels (OVCs), while H interstitials prefer sites of oxygen on a layer that contains six-fold coordinated Co. These findings not only enrich the understanding of complex surface phenomena of defect formation but also provide an explanation for the reversibility during phase transformation.
APPLIED SURFACE SCIENCE
(2024)
Article
Chemistry, Physical
Jiafeng Lu, Linping Teng, Qinxiao Zhai, Chunhua Wang, Matthieu Lancry, Ye Dai, Xianglong Zeng
Summary: In this study, we achieved full control of fiber nanograting orientation by manipulating laser polarization, and tailored space variant fiber nanogratings, which expanded the diversity in fiber nanograting engineering.
APPLIED SURFACE SCIENCE
(2024)
Article
Chemistry, Physical
Yibo Liu, Yujie Tao, Yue Liu, Qi Sun, Qinrong Lin, Kexin Kang, Qinghua Zhang, Qingjie Sun
Summary: This study investigates the wettability of the Ti-Cu-Fe multi-metal system, specifically the wetting behaviors of CuSi3 droplets on TC4 and 304SS plates. The results show that the CO2 + Ar gas atmosphere significantly affects interfacial mass transfer, thus influencing the wettability of the systems.
APPLIED SURFACE SCIENCE
(2024)
Article
Chemistry, Physical
Jimei Liu, Fei Wang, Rong Guo, Yuqi Liu, Mengyu Zhang, Jaka Sunarso, Dong Liu
Summary: This study developed Co/MXene composites with anti-corrosion properties by varying the cobalt content. These composites exhibited remarkable electromagnetic absorption performance and high resistance to corrosion under various corrosive conditions. The study also revealed the mechanism of electron transfer from cobalt to MXene and the electromagnetic dissipation behavior originated from polarization loss alone.
APPLIED SURFACE SCIENCE
(2024)
Article
Chemistry, Physical
Moujie Huang, Yongsong Ma, Jingbo Yang, Lingyun Xu, Hangqi Yang, Miao Wang, Xin Ma, Xin Xia, Junhao Yang, Deli Wang, Chuang Peng
Summary: Strong metal-support interactions (SMSIs) are important for enhancing catalytic activities and stability in thermal catalysis. This study demonstrates a method to create SMSIs in electrocatalysis using carbon nanotubes and Ru nanoparticles, resulting in excellent catalytic activity and stability.
APPLIED SURFACE SCIENCE
(2024)
Article
Chemistry, Physical
Ravi Trivedi, Brinti Mondal, Nandini Garg, Brahmananda Chakraborty
Summary: This study explores the potential of biphenylene as a nanocarrier for the delivery of the anticancer drug cisplatin. It is found that biphenylene offers physical stability, rapid release rate, solubility, and bio-compatibilities compared to other nanocarriers. The adsorption of cisplatin on the surface of biphenylene involves charge transfer from cisplatin to biphenylene. The drug is shown to be released at body temperature in an acidic environment. Biphenylene also exhibits excellent cytotoxicity activity and cellular uptake of the drug. Overall, biphenylene shows promise as a potential nanocarrier for cisplatin delivery.
APPLIED SURFACE SCIENCE
(2024)
Article
Chemistry, Physical
Hyun Jeong, Hyeong Chan Suh, Ga Hyun Cho, Rafael Salas-Montiel, Hayoung Ko, Ki Kang Kim, Mun Seok Jeong
Summary: In this study, a potential platform to enhance Raman scattering and increase the number of observable Raman modes in monolayer transition metal dichalcogenides (TMDs) was proposed. The platform consisted of large-scale arrays of gold micropillars (MPs), which were able to enhance the Raman intensity of TMDs and make difficult-to-detect Raman modes observable. The platform showed great industrial advantages and wide applicability due to its low cost, simple process, large controllable area, and short process time.
APPLIED SURFACE SCIENCE
(2024)
Article
Chemistry, Physical
Yasir Abbas, Shafqat Ali, Sajjad Ali, Waqar Azeem, Zareen Zuhra, Haoliang Wang, Mohamed Bououdina, Zhenzhong Sun
Summary: In this study, FeOx@SPNO-C core-shell nanospheres as a catalyst for degradation of sulfamethoxazole (SMX) were successfully synthesized. The synergistic interaction between FeOx and SPNO-C, high carbon charge density, and the presence of C = O groups and N/Fe-Nx sites were found to be key factors for the enhanced degradation of SMX.
APPLIED SURFACE SCIENCE
(2024)
Article
Chemistry, Physical
Qiaoting Yang, Yuxiao Gong, Yan Qian, Zhou-Qing Xiao, Serge Cosnier, Xue-Ji Zhang, Robert S. Marks, Dan Shan
Summary: This study proposes a hierarchical confinement strategy to design Prussian blue nanoparticles (PB NPs) with satisfactory electrocatalytic ability and stability. The catalytic synthesis of PB NPs is achieved through a hydrothermal process, and the as-prepared PB@NH2MIL exhibits efficient electronic transmission and enhanced electrocatalytic properties.
APPLIED SURFACE SCIENCE
(2024)
