Article
Chemistry, Physical
Arunachalam Chinnathambi
Summary: The enhancement of photocatalytic activity of ZnO nanoplates was achieved by loading FeV2O4, resulting in improved dye degradation and antimicrobial properties. The FeV2O4-ZnO nanocomposites exhibited high surface area, narrow bandgap for white-light harvesting, magnetic properties, and significant growth inhibition against bacteria. Applications in environmental remediation and antimicrobial activities were demonstrated for the magnetically-removable FeV2O4-ZnO nanocomposites.
JOURNAL OF ALLOYS AND COMPOUNDS
(2022)
Article
Materials Science, Ceramics
Junwei Cui, Dapeng Wu, Zhenyun Li, Guoan Zhao, Jinshui Wang, Le Wang, Bingxuan Niu
Summary: The Ag/ZnO hybrid cages, prepared through in situ pyrolysis with well-preserved polyhedron shape and rich mesoporous structures, exhibit enhanced photocatalytic and antibacterial performances by improving light absorption and promoting charge separation. The cages demonstrate significant degradation of various organic dyes and inhibition against bacteria, with detailed mechanism studies conducted through optical/electrochemical dynamic tests and Ag+ and Zn2+ release measurements.
CERAMICS INTERNATIONAL
(2021)
Article
Chemistry, Physical
Xiaofang Chen, Yimin Chen, Lingyu Zhang, Zhihua Liu, Enhui Qiu, Qiaoling Liu, Michelle D. Regulacio, Chang Lin, Da-Peng Yang
Summary: In this paper, a simple one-pot calcination method was used to fabricate a series of ZnO/C nanocomposites at different temperatures (500℃, 600℃, and 700℃). The ZnO/C-700 sample showed superior performance in terms of adsorption capabilities, photon-activated catalytic and antibacterial properties. The carbonaceous material in ZnO/C plays a crucial role in expanding the optical absorption range and improving the charge separation efficiency of ZnO. It also exhibited remarkable adsorption and photocatalysis effects.
JOURNAL OF COLLOID AND INTERFACE SCIENCE
(2023)
Article
Nanoscience & Nanotechnology
B. Janani, Asad Syed, Ajith M. Thomas, Sarah Al-Rashed, Abdallah M. Elgorban, Lija L. Raju, S. Sudheer Khan
Summary: A facile sonochemical-co-precipitation technique was adopted to prepare CuFe2O4 decorated ZnO heterojunction nanocomposites. The NCs exhibited enhanced photocatalytic activity in the visible region, with a fast degradation rate of methylene blue (MB) dye. Additionally, the NCs showed stable performance even after multiple recycling, and demonstrated excellent antimicrobial effects against Bacillus subtilis and Escherichia coli.
PHYSICA E-LOW-DIMENSIONAL SYSTEMS & NANOSTRUCTURES
(2021)
Article
Engineering, Environmental
N. Dineshbabu, R. N. Jayaprakash, P. Karuppasamy, Thirumurugan Arun, J. Judith Vijaya, R. Esther Nimshi, Muthu Senthil Pandian, S. Maria Packiam, P. Ramasamy
Summary: A facile co-precipitation method was used to prepare binary and ternary composites, and their structural, optical, morphological, and compositional properties were characterized. The optimized composites exhibited superior photocatalytic performance and high stability, effectively degrading Tetracycline under visible light irradiation. The composites also demonstrated moderate bactericidal activity against various bacteria.
JOURNAL OF ENVIRONMENTAL CHEMICAL ENGINEERING
(2022)
Article
Chemistry, Physical
Yan Yang, Zhansheng Wu, Renpeng Yang, Yunfeng Li, Xiaochen Liu, Luohong Zhang, Bing Yu
Summary: The development of photocatalytic techniques for environmental remediation heavily relies on efficient charge migration and broad-spectrum optical absorption in promising photocatalysts. Ternary ZnO/ZnSe/MoSe2 heterojunctions show superior utilization efficiency of visible light and higher separation efficiency of photoinduced electron-hole pairs compared to binary counterparts. The mechanism of photocatalysis involving ZnO/ZnSe/MoSe2 is thoroughly explored, revealing enhanced degradation efficiency of pollutants and microbial sterilization.
APPLIED SURFACE SCIENCE
(2021)
Article
Chemistry, Multidisciplinary
Shih-Ju Liu, Shu-Chuan Liao
Summary: The study synthesized silver nanoparticles and formed thermos-/antibacterial composite hydrogels on medical bamboo charcoal in order to enhance its antibacterial properties. The results showed successful grafting of the hydrogels onto the bamboo charcoal surface with good biocompatibility.
Article
Chemistry, Inorganic & Nuclear
Sudenaz Mirza, Ali Akbar Hussaini, Guelsah Ozturk, Merve Turgut, Teoman Ozturk, Osman Tugay, Deniz Ulukus, Murat Yildirim
Summary: Zinc oxide (ZnO) nanoparticles synthesized using plant biomasses are biocompatible, non-toxic, and easy to produce, making them attractive to scientists. Green synthesis, a low-cost and environmentally friendly approach, is preferred. In this study, ZnO nanoparticles were green synthesized using different parts of Lupinus albus L. and Lupinus pilosus L. plants as reducing and capping agents, and characterized using various techniques. The synthesized nanoparticles exhibited antibacterial and photocatalytic properties, showing potential for applications in these fields.
INORGANIC CHEMISTRY COMMUNICATIONS
(2023)
Article
Engineering, Environmental
Jin-Chung Sin, JianAi Quek, Sze-Mun Lam, Honghu Zeng, Hua Lin, Haixiang Li, Kai-Onn Tham, Abdul Rahman Mohamed, Jun-Wei Lim
Summary: In this study, novel Punica granatum peel extract-derived ZnO/HAP composites with excellent antibacterial performance were successfully synthesized through a facile eco-friendly method. The synthesized products were characterized and tested for antibacterial activity, photocatalytic disinfection efficiency, and anti-biofilm properties, showing promising results for practical water disinfection applications utilizing agricultural waste materials.
JOURNAL OF ENVIRONMENTAL CHEMICAL ENGINEERING
(2021)
Article
Chemistry, Physical
Rishabh Gandotra, Yu-Ren Chen, Thangapandian Murugesan, Ting-Wei Chang, Hwan-You Chang, Heh-Nan Lin
Summary: The study demonstrates the morphology dependent antibacterial activities of CuxO/ZnO nanocomposites towards Escherichia coli, with different CuxO nanostructures affecting the antibacterial efficiency. The excellent antibacterial performance is attributed to the combined effects of mechanical piercing of ZnO nanorods, release of Zn2+, Cu2+, and Cu+ ions, and effective generation of reactive oxygen species due to charge separation.
JOURNAL OF ALLOYS AND COMPOUNDS
(2021)
Article
Materials Science, Ceramics
Seyed Morteza Hosseini-Hosseinabad, Sara Minaeian, Ahmad Tavakoli, Milad Sabaei, Mojtaba Yousefi Zoshk, Reza Laripour, Samira Ramezani, Mohsen Hoseini, Mohsen Chamanara
Summary: Photocatalytic antibacterial coats, such as the g-C3N4/ZnO nanocomposite coating introduced in this study, offer a durable solution to bacterial contamination of fabrics. The CNZ nanopowders were synthesized and directly coated onto cotton fabric using a thermal synthesis process and sonication technique. The CNZ-coated fabric exhibited significant photocatalytic antibacterial activity against both gram-negative and gram-positive bacteria, even after multiple washing cycles.
CERAMICS INTERNATIONAL
(2023)
Article
Engineering, Environmental
Jingtao Zhang, Mengzhen Zhu, Shurui Liu, Mengwan Zhai, Jing Yao, Guanghui Wang, Junyang Li, Patrizia Perego, Xiaodong Sun, Bingkun Liu
Summary: Pd-ZnO nanocomposite was synthesized via solvothermal method, and then PdO-ZnO was obtained through calcination. XRD, TEM, and XPS tests confirmed the conversion of Pd to PdO during calcination. Photocatalytic sterilization experiments showed that PdO-ZnO exhibited faster and more effective killing of E. coli compared to Pd-ZnO. ESR tests indicated the presence of & BULL;OH and & BULL;O2- signals in PdO-ZnO under light. Scanning electron microscopy demonstrated that PdO-ZnO disrupted the bacterial membrane structure to inactivate E. coli. Cytotoxicity experiments on HTT2 confirmed the non-toxic nature of PdO-ZnO.
JOURNAL OF WATER PROCESS ENGINEERING
(2023)
Article
Chemistry, Physical
Shen-Hua Dai, Jian-Ping Zhang, Liang Weng, Bing-Yan Li, Xu-Hong Yang
Summary: ZnO nanostructures were successfully synthesized on PET fiber surfaces using a two-step chemical solution method, exhibiting good morphology and crystallization. The products showed strong UV absorption and antibacterial properties against Escherichia coli.
Article
Thermodynamics
Wanhe Hu, Zixing Feng, Jianfei Yang, Qi Gao, Liangmeng Ni, Yanmei Hou, Yuyu He, Zhijia Liu
Summary: The study revealed that the combustion behaviors of bamboo charcoal were significantly influenced by pyrolysis temperatures, with changes in combustion characteristics observed as the temperature increased; volatile combustion disappeared at 350 degrees Celsius for bamboo charcoal; the maximum higher heating value of bamboo charcoal was reached at 650 degrees Celsius.
Article
Chemistry, Physical
Milan Masar, Hassan Ali, Ali Can Guler, Michal Urbanek, Pavel Urbanek, Barbora Hanulikova, Hana Pistekova, Adriana Annusova, Michal Machovsky, Ivo Kuritka
Summary: A set of ZnO nanocrystals assembly with tunable reduced bandgaps was prepared, and it was found that the bandgap-reduced ZnO exhibits weak photocatalytic activity under visible-light irradiation. In addition, ZnO nanocrystals with oxygen vacancies showed excellent antibacterial activities, self-cleaning ability, and wettability.
COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS
(2023)