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Chih-Hung Tsai, Po-Hsi Fei, Chia-Ming Lin and Shiao-Long Shiu
Copper oxide (CuO) and CuO/graphene nanostructured thin films were used as counter electrodes (CEs) for dye-sensitized solar cells (DSSCs). CuO and CuO/graphene pastes were prepared and coated on fluorine-doped tin oxide (FTO) glass substrates using a do...
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Hassan Ghanbarabadi, Behnam Khoshandam
Pág. 388 - 396
In this paper, the reduction duration of (CuO)x-(NiO)(1-x) and (CuO)x-(Co3O4)(1-x) binary mixtures was studied using thermogravimetric method. The reduction reaction was performed using copper, nickel and cobalt oxides as metal precursors and methane gas...
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Zhe Liu, Lan Cuo, Qijiang Li, Xisheng Liu, Xuelian Ma, Liqiao Liang and Jin Ding
Climate change (CC) and land use/cover change (LUCC) are the main drivers of streamflow change. In this study, the effects of CC and LUCC on streamflow regime as well as their spatial variability were examined by using the Distributed Hydrology Soil Vege...
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Han Gao, Weimin Kong, Shuyuan Zhou, Xuwei Wang, Qingrong He and Yanchun Dong
Chemical warfare agents (CWAs) are highly toxic and fast-acting and are easy to cause large-scale poisoning to humans and livestock after being released. The activated carbon used for CWAs adsorption has disadvantages of limited adsorption capacity, easy...
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Nadezda Vladimirovna Dovzhenko, Victor Pavlovich Chelomin, Andrey Alexandrovich Mazur, Sergey Petrovich Kukla, Valentina Vladimirovna Slobodskova, Aleksandra Anatolievna Istomina and Avianna Fayazovna Zhukovskaya
The ingress of nanoparticles of metal oxides and microfragments of synthetic polymers (microplastics) into a marine environment causes unpredictable consequences. The effects of such particles cannot be predicted due to a lack of ecotoxicological informa...
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Caw-is Imee Andiso
Pág. 26
In the Philippines, an estimated 8.4 million rely on unsafe water sources where pathogens like E.coli thrive. Chlorination is conventionally used; however, it produces carcinogenic disinfection by-products. Thus, a solar-activated TiO2-CuO-SiO2 photocata...
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Jesús Plácido Medina Salas, Francisco Gamarra Gómez, Elisban Juani Sacari Sacari, Wilson Orlando Lanchipa Ramos, Rocío María Tamayo Calderón, Efracio Mamani Flores, Víctor Yapuchura Platero, Walter Dimas Florez Ponce de León and Elmer Marcial Limache Sandoval
Arsenic (III) exposure, often from contaminated water, can have severe health repercussions. Chronic exposure to this toxic compound is linked to increased risks of various health issues. Various technologies exist for arsenic (III) removal from contamin...
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Elena Glazkova, Olga Bakina, Nikolay Rodkevich, Andrey Mosunov, Maxim Evstigneev, Vladislav Evstigneev, Viktor Klimenko and Marat Lerner
We have prepared a composite thin coating by incorporation of CuFe2O4/Cu2O/CuO nanoparticles in polymethyl methacrylate (PMMA) matrix by using the solution casting method. The electrical explosion of two twisted wires (EETW) was used to obtain multicompo...
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Dina Oosthuizen, D E Motaung, H C Swart
Pág. 128 - 129
Gassensors speel ?n belangrike rol in die naspeuring en monitering van lae konsentrasies van toksiese en plofbare gasse (Grzegorz, Anna & Piotr 2016). Die hoofdoel van enige gassensor is om akkurate en betroubare intydse inligting oor die chemi...
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Lanfang Hu, Ziyi Feng, Yongxiang Yu and Huaiying Yao
Metal oxide nanoparticles (NPs) have been widely used in industrial and agricultural production and introduced into soils. The impact of these nanoparticles on soil nitrous oxide (N2O) emission is unclear. We conducted a microcosm experiment to investiga...
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Lethula E. Mofokeng, Lerato Hlekelele, John Moma, Zikhona N. Tetana and Vongani P. Chauke
Photocatalytic membranes possessing both photocatalytic and solid-liquid separation capabilities were developed. These materials are based on ternary 1% CuO/TiO2@GCN (1:9) embedded on cellulose acetate (CA) via the phase inversion method. The CA membrane...
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Samuel Sami
This paper discusses the performance of nanofluids in a PV Thermal-driven Organic Rankine Cycle (ORC) with cooling capabilities. This study was intended to investigate the enhancement effect and characteristics of nanofluids; Al2O3, CuO, Fe3O4 and SiO2 o...
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Ill-Min Chung, Govindasamy Rajakumar, Umadevi Subramanian, Baskar Venkidasamy and Muthu Thiruvengadam
Gymnema sylvestre is a plant that is enriched in bioactive compounds. In particular, gymnemic acids (GA) and phenolic compounds (PC) are pharmaceutically important. There is a commercial demand for naturally occurring bioactive compounds, but their avail...
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Eva Kovacec and Marjana Regvar
Food producers actively seek effective seed-coating agents to ensure optimal antimicrobial protection and/or nutritional support for young plants. In this context, our study aimed to investigate the impact of various copper compounds on the germination a...
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José Montero and Lars Österlund
Nanocrystalline copper oxide thin films were fabricated by reactive DC magnetron sputtering. The structure and optical properties of the films were measured with X-ray diffraction, scanning electron microscopy, and spectrophotometry. Variations of oxygen...
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So Young Kim, June Park, Seon Hoon Kim, Linganna Kadathala, Jong Hyeob Baek, Jin Hyeok Kim and Ju Hyeon Choi
PbO-SiO2-Al2O3-B2O3 (PSAB)-based glasses were prepared in order to determine the feasibility for laser sealing in the form of fiber. To reach a high quality of laser sealing, the tuning capability of CuO and Na2CO3 dopant concentration was examined on th...
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Adel A. Fahmy, Ali A. Abdel Aziz
Pág. 283 - 292
The present work aims to study the effect of nano-particles volume fraction of nano-fluid on the heat transfer during pool boiling with different values of heat flux. The concentration ratios by volume in demineralized water are taken as 0.02 %, 0.2...
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Mohammad Hemmat Esfe
Pág. 202 - 208
In this article, thermal conductivity data of aqueous nanofluids of CuO have been modeled through one of the instruments of empirical data modeling. The input data of 5 different volume fractions of nanofluid obtained in four temperatures through experim...
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Jinling Li, Lei Han, Tiantian Zhang, Chengtun Qu, Tao Yu and Bo Yang
As a typical pollutant, methylene blue poses a serious threat to the environment and human health. Oily sludge pyrolysis residue loaded with metal oxides could be used to prepare composite materials, which is not only an effective way to treat oily sludg...
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Jari Aromaa, Marko Kekkonen, Mehrdad Mousapour, Ari Jokilaakso and Mari Lundström
The aim of this study was to investigate the oxidation kinetics of copper at low temperatures (60 °C to 100 °C) in air by isothermal thermogravimetric analysis (TGA) and quartz crystal microbalance (QCM). The weight change in thermogravimetric tests show...
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