Article
Engineering, Environmental
Liying Jiang, Pengju Wang, Yufen Zhang, Zhiwei Yao
Summary: This study successfully improved the oxidation removal efficiency of CVOCs using a DBD reactor with segmented electrodes and Co-Mn/TiO2 catalyst. The introduction of segmented electrodes and the catalyst enhanced the plasma characteristics and increased the generation of active species, favoring the oxidation of chlorobenzene.
JOURNAL OF ENVIRONMENTAL CHEMICAL ENGINEERING
(2022)
Article
Environmental Sciences
Ken-Lin Chang, Yu-Chieh Lin, Ming-Ze Qiu, Chun-Wei Tu, Chih-Ping Chang, Jhong-Lin Wu, Yung-Chang Lin, Chien-Kuei Chang
Summary: In this study, dielectric barrier discharge induced by nonthermal plasma technology was used for isopropanol degradation, with the best results found when combining Mn (F)-Cu/gamma-Al2O3 with plasma, achieving complete conversion of IPA in a 100% oxygen environment. The study confirmed the effectiveness of the current single planar DBD configuration as an advanced treatment technology for the decomposition of VOCs.
ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH
(2021)
Article
Chemistry, Physical
Bangfen Wang, Ni Wang, Yuhai Sun, Hailin Xiao, Mingli Fu, Shuhua Li, Hong Liang, Zhiwei Qiao, Daiqi Ye
Summary: This study applied a dielectric barrier discharge plasma to modify the performance of Pt/CeO2 catalyst for toluene oxidation. Different plasma discharge times were used and it was found that discharge time significantly affected the catalytic activity of Pt/CeO2 catalyst. The Pt/CeO2-PT3 (30 min) and Pt/CeO2-PT6 (3 h) catalysts showed improved catalytic activity, while the Pt/CeO2-PT5 (2 h) catalyst exhibited decreased activity due to surface carbon deposition.
APPLIED SURFACE SCIENCE
(2023)
Article
Engineering, Environmental
Yu-Chieh Lin, Fang-yu Liang, Cheng-kuei Fu, Ken-Lin Chang
Summary: The combination of dielectric barrier discharge (DBD) of non-thermal plasmas with a self-made photocatalyst effectively removed isopropanol (IPA). By varying synthesis conditions for the photocatalyst and observing factors such as initial IPA concentration, oxygen content, and catalyst dosage, optimal reaction efficiency was achieved.
JOURNAL OF HAZARDOUS MATERIALS
(2022)
Article
Chemistry, Physical
Xingyuan Gao, Jinglong Liang, Liqing Wu, Lixia Wu, Sibudjing Kawi
Summary: This paper provides a detailed summary of the applications of dielectric barrier discharge (DBD) plasma in catalytic CO2 hydrogenation, and discusses the design of the reactor and optimization of reaction parameters. Additionally, several mechanisms are explored and proposed solutions to existing challenges are provided.
Article
Physics, Applied
Yang Liu, Xiaofang Xu, Qinlong Song, Zihan Guo, Xuan Wu, Chongchong Chen, Qiang Chen, Haibao Zhang
Summary: Nonthermal plasma (NTP) provides a potential and sustainable route for the synthesis of ammonia. In this study, a highly efficient catalyst, Co-Ni/MOF-74, was developed for synthesizing ammonia from N-2 and H-2 at low temperature and atmospheric pressure. The results showed that Co-Ni/MOF-74 significantly improved the ammonia synthesis rate and enhanced the average electric field and power efficiency in the reaction system.
PLASMA PROCESSES AND POLYMERS
(2023)
Article
Energy & Fuels
Maira Oliveira Palm, Stella Luchetti Alves de Freitas Barbosa, Matheus Wilgen Goncalves, Diego Alexandre Duarte, Rafael de Camargo Catapan, Catia Regina Silva de Carvalho Pinto
Summary: The study aimed to investigate the impact of plasma-assisted catalytic routes on transesterification reactions, showing that plasma can accelerate reaction rates, increase ethyl acetate conversions, and reduce reaction times.
Article
Environmental Sciences
Haiping Xiong, Xinbo Zhu, Shangmin Lu, Chunlin Zhou, Weiping Xu, Zijian Zhou
Summary: An integrated system combining non-thermal plasma and Fe-Mn catalysts was developed for ethylene oxide oxidation, showing significantly enhanced reaction performance compared to using plasma alone. The interactions between Fe and Mn species led to improved catalyst properties, contributing to the oxidation reactions. Redox cycles between Fe and Mn species facilitated plasma reactions and accelerated the deep oxidation of by-products, leading to the production of key reaction products including acetic acid, acetaldehyde, methane, ethane, and ethylene.
SCIENCE OF THE TOTAL ENVIRONMENT
(2021)
Article
Engineering, Environmental
Boqiong Jiang, Kai Xu, Jing Li, Hao Lu, Xiaodan Fei, Xinlei Yao, Shuiliang Yao, Zuliang Wu
Summary: Plasma catalysis technology has been proven effective in decomposing volatile organic compounds (VOCs), and the impact of different supports on VOCs oxidation processes during plasma catalysis is crucial. In this study, four supports loaded with transition metal oxides were used to decompose toluene at room temperature, with 1 wt%Mn/gamma-Al2O3 showing the highest efficiency. The reaction mechanism of toluene decomposition on different catalysts was proposed, with 1 wt%Mn/gamma-Al2O3 Able to catalyze toluene further into carbonate and bicarbonate.
JOURNAL OF HAZARDOUS MATERIALS
(2021)
Article
Environmental Sciences
Li-qiang Qi, Zhe Yu, Qi-hao Chen, Jing-xin Li, Hao-bo Xue, Feng Liu
Summary: This paper proposed a hybrid system that combined dielectric barrier discharge plasma with catalysis for toluene degradation. Photocatalysts TiO2 doped with Mn and Fe were used to improve the performance of the system. The effects of doping ratio, electric field intensity, AC frequency, gas flow rate, and initial concentration on toluene degradation efficiency, ozone decomposition capacity, and COx selectivity were investigated. The best doping ratios were found to be 1.0% for both Mn and Fe, and increasing electric field intensity significantly improved the synergism of the system.
ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH
(2023)
Article
Environmental Sciences
Xiaobing Wang, An Jin, Meng Zhu, Chen Feng, Hao He, Zhigang Huang, Kaifeng Li, Lu Wang
Summary: The viscosity of wastewater containing polyacrylamide can be reduced effectively by using the plasma generated by dielectric barrier discharge (DBD) and the synergistic effect of catalyst gamma-Al2O3. The best catalytic viscosity reduction is achieved at a discharge voltage of 18 kV and a discharge time of 15 min.
ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH
(2023)
Article
Engineering, Electrical & Electronic
Kaiyue Wu, Jingnan Liu, Jiacun Wu, Mo Chen, Junxia Ran, Xuexia Pang, Pengying Jia, Xuechen Li, Chenhua Ren
Summary: This article reports a double-mode argon planar plume, which operates in the streamer mode and transits to the filamentary mode. Discharge characteristics and plasma parameters are compared for the two modes, showing that the streamer mode and the filamentary mode correspond to pulsed and humped discharges respectively. Fast photography reveals that the streamer-mode plume is composed of stochastically branching streamers, while the filamentary-mode plume results from a series of moving filaments similar to those in barrier discharge. The filamentary mode has lower excited electron temperature and vibrational temperature, whereas higher electron density and gas temperature, and it achieves better hydrophilicity of polyethylene terephthalate surface.
Review
Engineering, Environmental
Emile Salomon Massima Mouele, Jimoh O. Tijani, Kassim O. Badmus, Omoniyi Pereao, Omotola Babajide, Ojo O. Fatoba, Cheng Zhang, Tao Shao, Eduard Sosnin, Victor Tarasenko, Katri Laatikainen, Leslie F. Petrik
Summary: The development of cost-effective, feasible, and advanced wastewater treatment techniques are crucial for the availability and sustainability of scarce water resources. Advanced oxidation processes (AOPs) based on non thermal plasma processes like dielectric barrier discharges (DBDs) have shown promise in combating biologically recalcitrant organic substances in water and wastewater streams by generating in-situ UV light and reactive oxygen species. Optimization of catalyst additives and critical parameters such as pH in DBD methods can efficiently promote the decomposition and mineralization of water toxins. Double cylindrical DBD designs have been highlighted as superior to single cylindrical and conventional DBDs.
JOURNAL OF ENVIRONMENTAL CHEMICAL ENGINEERING
(2021)
Article
Engineering, Environmental
T. A. B. J. van Raak, S. Li, F. Gallucci
Summary: This research aimed to investigate one of the rate-limiting steps of the plasma process, which is N-2 bond breaking. The addition of TiO2 in the catalysts improved the energy efficiency of the plasma-catalytic NH3 synthesis.
CHEMICAL ENGINEERING JOURNAL
(2023)
Article
Chemistry, Physical
Hao-Yu Lian, Yi-Zhi Wang, Yun Ru, Amin Zhou, Xiao-Song Li, Ai-Min Zhu
Summary: For the first time, a cyclic adsorption and plasma-desorption (CAPD) process is used to remove ppm-level carbon monoxide (CO) from a H2-rich stream. The CAPD process involves selective adsorption of CO on CuCl/g-Al2O3 and in-situ desorption by plasma generated in dielectric barrier discharge (DBD). The effects of discharge power (Pdis) and flow rate of discharge gas (FD) on the performance of plasma-desorption are investigated. The results show that the plasma-desorption features a high desorption rate, with t50 and t90 values lower than 2.6 minutes and 4.5 minutes, respectively. The desorption efficiency of plasma-desorption is also found to be higher than 98%. Additionally, the stability of the CAPD process is confirmed by six consecutive adsorption-desorption cycles.
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
(2023)
Article
Environmental Sciences
Jian Cheng, Doudou Wang, Baohua Wang, Han Ning, Ying Zhang, Yuchao Li, Jiutao An, Peiling Gao
Article
Materials Science, Textiles
Zhaoyi Li, Liang Sun, Zhongjun Fu, Yuchao Li, Zhaohui Jiang, Bingtao Tang, Quan Ji, Yanzhi Xia, Ming Wang, Haofei Huang
Summary: This study demonstrates that PVAm dyes are firmly adsorbed on calcium alginate fiber through coordination bonding and form a stable chelation structure, leading to high exhaustion rates and excellent color fastness.
FIBERS AND POLYMERS
(2021)
Article
Chemistry, Physical
Ruiyi Yan, Zhaopo Lv, Hongguo Tang, Yinge Bai, Mengyue Li, Yuchao Li
Summary: The study utilized diethylammonium acetate as a catalyst to achieve a high conversion rate of 99.9% from propionaldehyde to methacrolein, with a selectivity of 97.4%. Isotopic tracing experiments and decreasing the reaction temperature were used to propose a possible reaction mechanism.
Article
Materials Science, Textiles
Liang Sun, Zhaoyi Li, Zhongjun Fu, Yuchao Li, Zhaohui Jiang, Bingtao Tang, Ji Quan, Yanzhi Xia, Ming Wang, Jing Wang, Haofei Huang
Summary: Polyvinylamine (PVAm) was found to be an effective pretreatment auxiliary for salt-free reactive dyeing of calcium alginate fibers, resulting in high dye exhaustion rate and maintaining good color fastness and tensile strength. By studying the effects of different reactive dyes, suitable dyes can be selected for better dyeing results.
FIBERS AND POLYMERS
(2021)
Article
Engineering, Chemical
Hui Guo, Yuchao Li, Cuncun Zuo, Yanxia Zheng, Xinpeng Guo, Jinguo Hao, Haofei Huang, Ming Wang, Tingting Ge
Summary: In this study, the homogeneous hydrogen transfer reactions of methacrolein and isopropanol were investigated using different types of reactors and response surface methodology. The catalytic mechanism and reaction pathway were analyzed using density functional theory. The research results can provide a better understanding of the microscopic mechanisms of hydrogen transfer reactions.
Article
Chemistry, Multidisciplinary
Qi Zhang, Wenshu Zhang, Di Cao, Xiaoyan Liu, Lei Yin, Zehao Jing, Cuncun Zuo, Yuchao Li, Liang He, Haofei Huang, Ming Wang
Summary: A series of functional Merrifield resins modified with aromatic aldehydes and ketones were synthesized and evaluated for adsorption of 2-amino-4-acetylaminoanisole (AMA). Salicylaldehyde grafted Merrifield resin (SAPS) exhibited the highest adsorption performance for AMA. The maximum adsorption capacity of SAPS for AMA was 167 mg/g, and the adsorption process followed pseudo-second-order kinetics. The SAPS resin demonstrated good selectivity and reusability, making it suitable for separating high-purity AMA from real industrial solutions.
Article
Chemistry, Physical
Zhiyuan Jie, Tengfei Yang, Xiaobin Wang, Yun Ji, Yuchao Li, Bo Meng, Xiaoyao Tan, Shaomin Liu
Summary: In this study, the one-step epoxidation of propylene to propylene oxide using the TS-1/H2O2 system was optimized by modifying the TS-1 catalyst with tetrapropylammonium hydroxide (TPAOH). The results showed that the highest H(2)O2 utilization efficiency and PO selectivity were achieved at a TPAOH treatment temperature of 90 degrees C. TPAOH treatment significantly altered the composition and microstructure of TS-1, leading to improved mass transfer and intrinsic reactivity, resulting in enhanced propylene conversion and yields.
SURFACES AND INTERFACES
(2022)
Article
Environmental Sciences
Lixi Yang, Defeng Yin, Yanxia Zheng, Yubo Yang, Yuchao Li, Jinguo Hao, Bing Ai, Tingting Ge, Cuncun Zuo, Xiaobin Wang, Qian Wang, Ming Wang, Haofei Huang
Summary: A series of cobalt-nitrogen modified catalysts were prepared and applied to the degradation of phenol. One of the catalysts with high pyridine nitrogen content was designed to activate potassium per-oxodisulfate to generate active free radicals for phenol degradation. The modified catalyst was able to achieve deep mineralization of intermediate products of phenol through UV spectrum.
Correction
Environmental Sciences
Lixi Yang, Defeng Yin, Yanxia Zheng, Yubo Yang, Yuchao Li, Jinguo Hao, Bing Ai, Tingting Ge, Cuncun Zuo, Xiaobin Wang, Qian Wang, Ming Wang, Haofei Huang
Article
Engineering, Chemical
Tingting Ge, Hui Guo, Cuncun Zuo, Yanxia Zheng, Shuyue Li, Haofei Huang, Ming Wang, Guangjun Cui, Xinpeng Guo, Yuchao Li
Summary: In this study, magnetic metal-doped cerium oxide was synthesized and used as a support for nano-gold catalyst in the synthesis of methyl methacrylate. The doping of Fe improved the redox properties and acidity of the catalyst, and the Au/FeCeOx catalyst exhibited strong magnetic properties for easy separation. The 5% - Au/FeCeOx catalyst showed the highest reaction activity in the experiment.
SEPARATION AND PURIFICATION TECHNOLOGY
(2022)
Article
Chemistry, Physical
Yanxia Zheng, Lixi Yang, Yao Chen, Yubo Yang, Cuncun Zuo, Jiutao An, Qian Wang, Haofei Huang, Yuchao Li, Ming Wang
Summary: ZnO nanorods with hexagonal pores were synthesized using ionic liquids (ILs). Au nanoparticles were supported on the ZnO nanorods and used as catalysts for the oxidative esterification reaction. The catalyst prepared using C(10)mimCl showed the highest activity and followed the Mars-van Krevelen reaction mechanism. The strong interaction between Au and ZnO-C10, as well as the presence of extensive vacancy defects, enhanced the catalytic performance. Compared to commercial ZnO, the Au/ZnO-IL catalysts exhibited good recycling stability.
CATALYSIS SCIENCE & TECHNOLOGY
(2023)
Article
Chemistry, Physical
Yao Chen, Shuyue Li, Yuchao Li, Yanxia Zheng, Cuncun Zuo, Tingting Ge, Rui Xu, Haofei Huang, Jiutao An
Summary: This study synthesized a series of highly stable Au@CeO2/MnOx core-shell structured catalysts using inverse microemulsion technology to inhibit the agglomeration of nano-Au particles in the oxidative esterification reaction. Different surfactants and water-to-oil molar ratios were used for catalyst preparation and various characterization techniques were applied. The Au nanoparticles were encapsulated by CeO2, forming a core-shell structure. The catalyst prepared with CTAB as the surfactant showed the best activity. The content of active oxygen, Ce3+, and hydrogen consumption were positively correlated with the catalytic performance. After 10 cycles of reuse, the catalyst maintained its activity and the Au nanoparticles did not agglomerate due to the core-shell structure.
Article
Chemistry, Multidisciplinary
Yao Chen, Rui Xu, Yuchao Li, Lu Cai, Yubo Yang, Yanxia Zheng, Cuncun Zuo, Haofei Huang, Zijian Wen, Qian Wang
Summary: By designing a catalysis system with in situ Ru SACs anchored on a rGO/NC two-dimensional interface, we have successfully achieved the SA-Ru@rGO/NC electrocatalyst with high metal loading density at a relatively low temperature. The largest NH3 yield of 110.1 μg h(-1) mg(cat)(-1) and FE of 17.9% were obtained at -0.3 V under ambient conditions. The electronic metal-support interaction regulated the electronic environment of the catalyst, and the use of SACs inhibited the hydrogen evolution reaction (HER) and enhanced N-2 adsorption, leading to an improved performance in electrocatalytic nitrogen fixation.
CHEMICAL COMMUNICATIONS
(2023)
Article
Chemistry, Multidisciplinary
Jiru Guo, Yanxia Zheng, Yuchao Li, Zijian Wen, Xiuxu Shen, Yansong Zhao
Summary: 4,4'-Dichlorodiphenyl sulfoxide is a versatile compound used as a raw material for the production of engineering plastics such as polysulfone and polyether sulfone. It is also an intermediate for the synthesis of medicines, dyes, and pesticides. Metal-based methylimidazolium ionic liquids were synthesized and found to be efficient catalysts for the alkylation reactions involved in the production of 4,4'-dichlorodiphenyl sulfoxide. The presence of AlCl3 in the ionic liquids enhances their acidity and improves the catalytic performance. Under optimized conditions, a conversion rate of 45.3% for excess chlorobenzene and a selectivity of 31.9% for 4,4'-dichlorodiphenyl sulfoxide were achieved.
Article
Chemistry, Multidisciplinary
Defeng Yin, Yanxia Zheng, Lixi Yang, Shuyue Li, Daqing Zhu, Yafei Guo, Cuncun Zuo, Yuchao Li, Haofei Huang, Ming Wang
Summary: Highly dispersed cobalt-based catalysts on N-doped ordered porous carbon (Co-NOPC) were synthesized using the sacrificial-template method, showing efficient catalytic activity for oxidative esterification of furfural. The catalyst exhibited outstanding stability and no significant decrease in activity after 6 cycles of reaction.
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.
