Article
Chemistry, Multidisciplinary
Qiyuan Zhang, Zhengxin Yang, Ru Zhang, Yu Hao, Longjun Xu, Chenglun Liu
Summary: A recyclable BiOCl/BiOI/MnxZn1-xFe2O4 photocatalyst was synthesized and its photocatalytic performance in degrading Rhodamine B under visible light was evaluated. The BiOCl/BiOI combined with 3 wt% MnxZn1-xFe2O4 (BCI-3MZF) showed the highest photocatalytic activity, with a removal efficiency of 98% within 40 minutes.
JOURNAL OF PHYSICS AND CHEMISTRY OF SOLIDS
(2022)
Article
Chemistry, Physical
Kuilin Lv, Detian Wan, Dezhi Zheng, Yushan Qin, Yuguang Lv
Summary: In this study, different amounts of polypyrrole modified BiVO4 photocatalyst were synthesized, and the optimal doping amount of 5% showed the highest photocatalytic activity. The mechanism of enhanced activity was discussed, with photogenerated holes transferring to the pi orbital of PPy and electrons transferring to the conduction band of BiVO4 for effective charge separation and stabilization.
JOURNAL OF ALLOYS AND COMPOUNDS
(2021)
Article
Materials Science, Multidisciplinary
Yong Cheng, Tingzeng Wu, Longjun Xu, Chenglun Liu, Zao Jiang, Qiyuan Zhang, Yi Zou, Yan Chen, Jingya Li, Xiuzhu Liu
Summary: The novel composite magnetic photocatalyst MCC was prepared through hydrothermal and chemical precipitation methods. Among different samples, MCC10 with a magnetic carbon protective layer showed the best photocatalytic activity in degrading Rhodamine B under visible light irradiation. The introduction of a carbon interlayer can improve the separation efficiency of photo-induced electron-hole pairs, enhance photo-corrosion resistance, and achieve highly visible-light-driven photodegradation capability.
MATERIALS CHEMISTRY AND PHYSICS
(2021)
Article
Materials Science, Ceramics
Maira Liaqat, N. R. Khalid, M. B. Tahir, Sami Znaidia, Hussein Alrobei, Meshal Alzaid
Summary: Alpha-MnO2/BiVO4 nanocomposites with different MnO2 contents (0-7 wt%) were successfully synthesized through a simple chemical method. The structure, morphology, and optical properties of the nanocomposites were studied using various analytical techniques. The photocatalytic efficiency of the nanocomposites was evaluated through the degradation of rhodamine B (RhB) and tetracycline (TC) under visible light irradiation (λ >= 420 nm). The 5% MnO2/BiVO4 (MnBV-5) photocatalyst exhibited the highest degradation efficiency and maintained good stability after five testing cycles.
CERAMICS INTERNATIONAL
(2023)
Article
Environmental Sciences
G. Ramalingam, C. Maria Magdalane, B. Arjun Kumar, R. Yuvakkumar, G. Ravi, A. Irudaya Jothi, Naresh Kumar Rotte, G. Murugadoss, Antony Ananth
Summary: Cadmium selenide (CdSe) semiconductor nanorods were prepared using hydrazine hydrate and ammonia as reducing agents in a hydrothermal process, resulting in reduced stacking faults and high photocatalytic efficiency. The CdSe nanorods exhibited a crystalline size of 20-30 nm and a bandgap of 2.17 eV, with the presence of oxygen vacancy defects indicated in the photoluminescence spectrum.
ENVIRONMENTAL RESEARCH
(2022)
Article
Environmental Sciences
Radheshyam Rama Pawar, Chitiphon Chuaicham, Karthikeyan Sekar, Saravanan Rajendran, Keiko Sasaki
Summary: Metal Organic Frameworks (MOFs) composites with natural clay materials provide a solution to reduce production costs and address stability issues, while also exhibiting excellent optoelectronic properties.
Article
Materials Science, Multidisciplinary
Somayeh Alikarami, Ali Soltanizade, Fereshteh Rashchi
Summary: Semiconductor photocatalyst is a simple, efficient, low-cost, and green solution for dealing with the environmental crisis. In this study, CdS-Ag2S heterostructure photocatalyst was synthesized by ion exchange technique, which showed enhanced light absorption, narrower band gap, and more efficient charge transfer and separation. The CdS-Ag2S heterostructure exhibited high photocatalytic activity and stability, suggesting its potential in environmental remediation.
MATERIALS CHEMISTRY AND PHYSICS
(2022)
Article
Environmental Sciences
Yangbin Liu, Nian Liu, Minghua Lin, Caifeng Huang, Zhijun Lei, Hongshuai Cao, Fugang Qi, Xiaoping Ouyang, Yun Zhou
Summary: This paper reports the construction of an S-scheme AgVO3/Ag2S heterojunction photocatalyst via a straightforward hydrothermal approach, which exhibits outstanding photocatalytic degradation performances to Rhodamine B and Tetracycline hydrochloride. The highest photocatalytic performances are achieved with a molar ratio of 6:1 (V6S), where 99% of RhB can be degraded within 25 minutes of light illumination and about 72% of TC-HCl can be degraded within 120 minutes of light irradiation. The AgVO3/Ag2S system also exhibits superior stability and maintains high photocatalytic activity after repeated tests.
ENVIRONMENTAL POLLUTION
(2023)
Article
Nanoscience & Nanotechnology
Maira Liaqat, Khalid Nadeem Riaz, Tahir Iqbal, Ghulam Nabi, Muhammad Rizwan, M. Shakil
Summary: Heterostructure BiVO4/Bi2O3 nanocomposites with enhanced visible light activity were synthesized through a hydrothermal route. The p-n heterojunction formed between the p-type Bi2O3 and n-type BiVO4 effectively reduced the recombination of photogenerated charge carriers, leading to excellent photocatalytic performance and stability.
Article
Chemistry, Multidisciplinary
Hoang Ai Le Pham, The Ky Vo, Duy Trinh Nguyen, Huu Khanh Huynh, Quynh Thai Son Pham, Van Cuong Nguyen
Summary: The bismuth-terephthalate frameworks (Bi-BDC) were successfully prepared using a facile solvothermal approach in this study. The effects of synthesis temperature on the crystallinity and morphologies of the Bi-BDC frameworks were investigated. The low-temperature prepared Bi-BDC samples showed enhanced light absorption ability and exhibited high removal efficiency of organic pollutant through photocatalytic degradation.
GREEN CHEMISTRY LETTERS AND REVIEWS
(2022)
Article
Chemistry, Inorganic & Nuclear
Xiaorui Sun, Mingshu Gu, Jia Yang, Gaohong Ye, Xingguo Xiao, Min Chen, Miaomiao Liu, Zuli Chen, Huisheng Huang
Summary: In this study, Bi2GaTaO7 and Bi2InTaO7 semiconductors were discovered as visible-light-driven photocatalysts with potential for environmental cleaning. Experimental results showed that modified BGTO and BITO had better photocatalytic activities, with CuO and Ag as the optimal cocatalysts, respectively.
INORGANIC CHEMISTRY COMMUNICATIONS
(2022)
Article
Chemistry, Multidisciplinary
Himadri Priya Gogoi, Anurag Dehingia, Anmol Singh, Pranjit Barman
Summary: In this study, heterostructured BiOCl-LaOCl composites were synthesized using KCl as a source of chlorine and varying contents of LaOCl as raw materials in the presence of ethylene glycol at a temperature of 100 degrees C by using the solvothermal method. The prepared composites were characterized and showed excellent photocatalytic activity for degrading Rhodamine B dye under sunlight irradiation. The BiOCl-LaOCl-1 composite exhibited the highest catalytic activity among all the synthesized materials, with a reaction rate four and six times higher than those of BiOCl-LaOCl-2 and BiOCl, respectively. The scavenger test results indicated that superoxide and hole radicals were mainly responsible for the photodegradation, and the high BET surface area of the composite also contributed to its enhanced photocatalytic activity.
JOURNAL OF PHYSICS AND CHEMISTRY OF SOLIDS
(2023)
Article
Materials Science, Multidisciplinary
Meher-Un-Nisa Khilji, Noor Ahmed Nahyoon, Mujahid Mehdi, Khalid Hussain Thebo, Nasrullah Mahar, Ayaz Ali Memon, Najma Memon, Nadir Hussain
Summary: A novel nanocomposite of magnesium oxide doped graphene oxide (MgO@GO) was synthesized and used as a visible-light driven photocatalyst for the degradation of Rhodamine 6G (Rh6G). The morphology, structure, functional groups, and chemical composition of the photocatalyst were characterized. By combining tungsten light (50 W), stirring, and aeration, a degradation efficiency of 98% for Rh6G (30 mL, 1 ppm) was achieved within 15 minutes.
Article
Engineering, Environmental
Yage Zheng, Haojie Qi, Liang Zhang, Yujuan Zhang, Lvling Zhong, Xiaomin Zhang, Yao Feng, Juanqin Xue
Summary: A PVA aerogel/TiO2/MoS2/Au catalyst prepared by hydrothermal method was used for the degradation of Rhodamine B. The composite showed a uniform and well-structured porous network structure, high specific surface area, and large pore diameter. It had a high absorption rate in the visible light range and effectively inhibited the recombination of photogenerated electron-hole pairs due to the formation of a heterojunction. The composite material exhibited excellent photocatalytic performance, achieving a degradation rate of 86% in two hours. The PVA-supported photocatalysts were easily recoverable and maintained high catalytic activity even after 5 recycles.
WATER SCIENCE AND TECHNOLOGY
(2022)
Article
Environmental Sciences
Sobia Maqbool, Adeel Ahmed, Arif Mukhtar, Muhammad Jamshaid, Aziz Ur Rehman, Saima Anjum
Summary: This work aims to develop a highly efficient solar light-induced photocatalyst based on La-Mn co-doped Fe2O3 nanoparticles. The synthesized nanoparticles were analyzed for their morphological, structural, and magnetic characteristics. The photocatalytic performance of the different catalysts was evaluated, and it was found that La0.2Mn0.2Fe1.6O3 catalyst showed exceptional degradation performance.
ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH
(2023)
Article
Electrochemistry
Qi Feng, Longjun Xu, Yanzhao Xu, Chenglun Liu, Yuan Lu, Hailong Wang, Tingzeng Wu, Ruiqi Wang, Yan Chen, Yong Cheng
INTERNATIONAL JOURNAL OF ELECTROCHEMICAL SCIENCE
(2020)
Article
Chemistry, Multidisciplinary
Yong Cheng, Yahan Yang, Zao Jiang, Longjun Xu, Chenglun Liu
Article
Engineering, Environmental
Yong Cheng, Longjun Xu, Zao Jiang, Chenglun Liu, Qiyuan Zhang, Yi Zou, Yan Chen, Jingya Li, Xiuzhu Liu
Summary: This study successfully synthesized magnetic SrFe12O19@NaP1 zeolite using red mud industrial waste, which showed high removal efficiency and adsorption capacity. The novel adsorbent exhibited excellent performance under specific conditions, making it a promising and environmentally friendly material for adsorption applications.
CHEMICAL ENGINEERING JOURNAL
(2021)
Article
Materials Science, Multidisciplinary
Yong Cheng, Tingzeng Wu, Longjun Xu, Chenglun Liu, Zao Jiang, Qiyuan Zhang, Yi Zou, Yan Chen, Jingya Li, Xiuzhu Liu
Summary: The novel composite magnetic photocatalyst MCC was prepared through hydrothermal and chemical precipitation methods. Among different samples, MCC10 with a magnetic carbon protective layer showed the best photocatalytic activity in degrading Rhodamine B under visible light irradiation. The introduction of a carbon interlayer can improve the separation efficiency of photo-induced electron-hole pairs, enhance photo-corrosion resistance, and achieve highly visible-light-driven photodegradation capability.
MATERIALS CHEMISTRY AND PHYSICS
(2021)
Article
Materials Science, Multidisciplinary
Sha Li, Yong Cheng, Quanhua Wang, Chenglun Liu, Longjun Xu
MATERIALS RESEARCH EXPRESS
(2020)
Article
Engineering, Electrical & Electronic
Yan Chen, Zao Jiang, Longjun Xu, Chenglun Liu, Yong Cheng, Yi Zou, Qiyuan Zhang
Summary: A composite magnetic photocatalyst Bi24O31Br10/NiFe2O4 was successfully prepared in this study, showing outstanding photocatalytic performance and stability in the degradation of Rhodamine B under simulated sunlight. The improved photocatalytic activity is attributed to the formation of a new P-P heterojunction between Bi24O31Br10 nanosheets and NiFe2O4, which effectively promotes the separation of internal photogenerated electrons.
MATERIALS SCIENCE IN SEMICONDUCTOR PROCESSING
(2021)
Article
Engineering, Chemical
Yong Cheng, Longjun Xu, Chenglun Liu
Summary: NaP1 zeolite was successfully prepared using red mud as raw material, exhibiting excellent adsorption properties with a satisfactory regeneration capacity. The adsorption mechanism followed the pseudo second order kinetic and Freundlich isotherm model, with diffusion and electrostatic attractions playing important roles in the process.
ADVANCED POWDER TECHNOLOGY
(2021)
Article
Materials Science, Multidisciplinary
Zhengxin Yang, Ruiqi Wang, Longjun Xu, Chenglun Liu, Yong Cheng, Zao Jiang, Yanling Liu, Teng Zhang, Jingya Li, Xiuzhu Liu
Summary: The flower-like Dy3+-doped Bi2MoO6 photocatalyst demonstrated excellent degradation efficiency for Rhodamine B, close to 100% within 40 minutes under simulated sunlight. The small band gap energy and abundant adsorption sites contributed to its high photocatalytic performance in treating organic contaminants in wastewater.
Article
Biotechnology & Applied Microbiology
Yong Cheng, Longjun Xu, Chenglun Liu
Summary: In this study, red mud was used as a raw material to extract aluminum and iron, and a highly efficient polyaluminium ferric chloride (PAFC) flocculant was prepared. The flocculation performance of the PAFC under different synthesis and flocculation conditions was investigated. The results showed that the PAFC prepared at specific conditions had the optimum effect and could be used for the treatment of aged landfill leachate.
ENVIRONMENTAL TECHNOLOGY & INNOVATION
(2022)
Article
Chemistry, Physical
Jinhong Hou, Ruifeng Qi, Yanjing Liang, Yong Cheng, Qingsong Huang
Summary: The current method of preparing graphene nanoribbons by etching carbon nanotubes relies on catalytic reaction of Fe, Co, and Ni nanoparticles. However, etching along the CNT axis cannot be guaranteed. In this study, Ti3AlC2 is decomposed to liquid aluminum in a dynamic magnetic flux template to catalyze the growth of multiwalled carbon nanotubes. Successively, the obtained MWCNTs are etched in-situ by rutile TiO2 particles to generate multilayered graphene nanoribbons. This work has paved a new way for creating MLGNRs by tailoring MWCNTs along the axis direction using a dynamic magnetic flux template.
Article
Construction & Building Technology
Yong Cheng, Ruifeng Qi, Jinhong Hou, Qingsong Huang
Summary: Copper tailings, a major waste with high emissions and pollution, have been used for cement production but in limited amounts. This study used 20.31 wt% copper tailings as raw material and 15 wt% copper tailings as an addition to produce copper tailings ordinary Portland cement meeting P·O 42.5 grade. Optimal conditions for sintering temperature, holding time, and lime, silicon, and aluminum moduli were investigated, and the optimum amount of copper tailings as an addition was analyzed. The economic and environmental evaluations showed the feasibility and potential of copper tailings in cement production.
CONSTRUCTION AND BUILDING MATERIALS
(2023)
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.
