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- 저자 : Asmaa Mohammed Ibrahim (검색결과 2 건)
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Ahmed El-Shahat Etman,Asmaa Mohammed Ibrahim,Fatma Al-Zahraa Mostafa Darwish,Khaled Faisal Qasim 한국공업화학회 2023 Journal of Industrial and Engineering Chemistry Vol.122 No.-
Supercapacitors are one of the most promising technologies to meet the requirements of human sustainabledevelopment, due to their benefits such as high capacitance and rate capability, long cycle life, andlow processing cost. Electrode materials play a decisive role in the performance of supercapacitors, that’swhy many types of research on electrode materials are critical to supercapacitors. As we go forwardtoward highly flexible and bendable electronics. Conducting polymer (CP)-based materials are promisingmaterials in supercapacitors because of their unique advantages including good conductivity, flexibility,relatively cheap, easy synthesis, and so on. This review summarizes recent research progress of CPs (includingpolypyrrole (PPy), polyaniline (PANI), and polythiophene (PTh)), the CP-based composites forsupercapacitors in purpose and concentrating composites’ effect on supercapacitive parameters, besidediffusion mechanism with the calculations of supercapcitive parameters in every technique. Eventually, we give a brief outline of the development directions of CP-based supercapacitors with suggestionsfor the future of supercapacitors based on the last decade’s research.
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M. Swedha,Abdulrahman A. Alatar,Mohammad K. Okla,Ibrahim A. Alaraidh,Asmaa Mohebaldin,Mohammed Aufy,Lija L. Raju,Ajith M. Thomas,Mostafa A. Abdel-Maksoud,S. Sudheer Khan 한국공업화학회 2022 Journal of Industrial and Engineering Chemistry Vol.112 No.-
Visible light photocatalysis using nano heterostructures offers an eco-friendly alternative for the removalof organic molecules. Here, we reported an enhanced photocatalytic activity of g-C3N4/Ni3(VO4)2/ZnCr2O4, a dual Z-scheme nano-heterojunction for the photocatalytic removal of p-chlorophenol (p-CP)and 5-fluorouracil (5-FU). The nano heterojunction was fabricated by a facile co-precipitation method. Initially, the fabricated nanocomposites (NCs) were characterized for Physico-chemical and optoelectronicproperties, by XRD, XPS, SEM, TEM, UV–Visible DRS, BET, PL, and EIS. The fabricated g-C3N4/Ni3(VO4)2/ZnCr2O4 has shown excellent photocatalytic activity. The complete mineralization of both p-CP and 5-FU observed after 160 and 200 min of visible light irradiation respectively. The mineralizationof p-CP and 5-FU was confirmed by total organic carbon (TOC) estimation and the percentage of removalTOC for p-CP and 5-FU was 99.25% and 98.9% respectively. The stability of the particle was confirmed bysix cycles test. The reusable efficiency of the NCs was found to be 99.7% after six consequent cycles. Thestability of the NCs was confirmed by XRD and XPS analysis of reused photocatalyst. The scavengers assayand ESR analysis confirmed the major role of OH radicals in enhanced photocatalytic activity. The degradationpathway of p-CP and 5-FU was determined by GC–MS/MS and the possible toxicity of the intermediatecompounds was determined by the ECOSAR program, which shows the non-toxic nature ofthe end product on green algae, daphnia, and fish. The toxicity of the NCs was tested against Allium cepawhich further confirm the non-toxic nature of NCs. The study suggests that fabricated g-C3N4/Ni3(VO4)2/ZnCr2O4 NCs can be utilized for environmental remediation applications.
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