Zeitschrift für Physikalische Chemie最新文献

{"title":"Adsorptive removal of Cu(II) ions from aqueous solution using Teff (Eragrostis tef) hay based magnetized biocarbon: RSM-GA, ANN based optimization and kinetics aspects","authors":"Venkatesa Prabhu Sundramurthy, Venkatramanan Varadharajan, Vincent Herald Wilson, Swaminathan Jose, Subramanian Manoharan, Naiyf S. Alharbi, Jamal M Khaled, Bhuvaneswari Kandasamy, Govindasamy Palanisamy","doi":"10.1515/zpch-2024-0608","DOIUrl":"https://doi.org/10.1515/zpch-2024-0608","url":null,"abstract":"\u0000 Teff (Eragrostis tef) is known as a staple grain crop which grown as edible seeds, remarkably in Ethiopia. However, after removal of its seeds, the hay obtained from this crop, are considered as agro-waste. Such a lignocellulosic agro-waste can be potentially exploited to prepare activated carbon to treat the harmful industrial effluents for detoxification. In this study, Teff hay (TH) was used as a precursor for preparing the activated carbon. The using H2SO4, chemical activation was carried out followed by carbonaceous process was undertaken to prepared activated carbon (AC) by pyrolysis. The prepared AC was modified as magnetized AC and characterized by various characterization methods. Further, as a bio-absorbent, its potency for adsorptive removal of Cu(II) ions was ascertained. Notably, the most studied and important process factors for adsorption, such as, initial concentration of metal ion, adsorbent dosage, pH, and contact time were subjected to optimization using response surface method (RSM). Further, to ensure the statistical optimization of aforementioned factors, the non-statistical techniques, genetic algorithm (GA) and artificial neural network (ANN) tools have been executed. In addition, the use of prepared Teff-hay based magnetized AC for the removal of Cu(II) by adsorption process was evaluated through different isotherms and kinetic approaches.","PeriodicalId":506520,"journal":{"name":"Zeitschrift für Physikalische Chemie","volume":"15 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-03-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140223867","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Adsorption and visible light driven photocatalytic degradation of Malachite Green and Methylene Blue dye in wastewater using magnetized copper metal organic framework","authors":"Khushnuma Zahid, Behisht Ara, Kashif Gul, Sumeet Malik, T. Zia, Saima Sohni","doi":"10.1515/zpch-2023-0334","DOIUrl":"https://doi.org/10.1515/zpch-2023-0334","url":null,"abstract":"\u0000 The rising concern about the environmental pollution, particularly due to the setup of more industrial sectors has grabbed the attention of scientists and researchers. Many textile businesses emit Malachite Green and Methylene Blue (MG and MB) into the atmosphere, posing serious health risks. In this study, a copper metal-organic framework doped with iron nanoparticles (Cu-MOF@Fe3O4) was synthesized utilizing the slow evaporation approach, commencing with cuprous chloride and 2-mercaptobenzimidazole in a 1:2 ratio. Cu-MOF@Fe3O4 was characterized using a variety of techniques, including FTIR, SEM, and DRS analysis. The SEM analysis showed a rough and uneven morphology for the Cu-based MOFs. The XRD analysis confirmed the crystallinity of the products. The average crystallite size for Cu-MOF, Fe3O4 nanoparticles and Cu-MOF@Fe3O4 were found to be 0.22, 1.00, and 1.00 nm. While the surface area of Cu-MOF was found to be 213.192 m2g−1 while in Cu-MOF@Fe3O4 it shows an increase, i.e., 218.268 m2g−1 as calculated through the iodometric method. A series of experiments were conducted to assess the surface area, chemical oxygen demand (COD), limit of detection (LOD) (0.065559, 0.0136), limit of quantification (LOQ) (0.198662, 0.041312), point of zero charge (PZC) (5.2), pH levels (6, 7), contact times (10, 25 min), photocatalyst dosages (0.3, 0.05 g), dye concentrations (2, 10 µg/mL), and temperature effects (50°, 90°) on the adsorption and photocatalytic degradation of MG and MB, respectively. Photodegradation of both dyes followed pseudo-second order kinetics with R\u0000 2 values of 0.9833 (MG) and 0.8875 (MB). The adsorption isotherms (Freundlich and Langmuir) for MG and MB dye were analyzed and the experimental data holds a good correlation with Freundlich isotherm. The sample application of Cu-MOF@Fe3O4 as a photocatalyst, has high efficiency,  % photocatalysis (96.9 % MG, 99.4 % MB) with reusability (95–100 %) upto 10 cycles to photodegrade MG and MB dye in wastewater. To the best of our knowledge, this is the first report on the deployment of copper-based MOFs-doped with magnetite for the photocatalytic degradation of MG and MB dyes.","PeriodicalId":506520,"journal":{"name":"Zeitschrift für Physikalische Chemie","volume":"20 17","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-03-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140226084","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Facile synthesis of lanthanum carbonate octahydrate and lanthanum oxide nanoparticles by sonochemical method: systematic characterizations","authors":"Sentienla Imsong, Punazungba Imsong, Swapnali Hazarika, M. Indira Devi","doi":"10.1515/zpch-2023-0396","DOIUrl":"https://doi.org/10.1515/zpch-2023-0396","url":null,"abstract":"\u0000 <jats:p>This study could present the size and morphology of two synthesized nanoparticles (NPs) by observing their smallest possible dimensions. Lanthanum carbonate nanoparticles were synthesized by sonochemical method through the interaction of lanthanum acetate hydrate and sodium carbonate in an aqueous medium with a probe sonicator. After rigorous washing followed by drying, the La<jats:sub>2</jats:sub>(CO<jats:sub>3</jats:sub>)<jats:sub>3</jats:sub>·8H<jats:sub>2</jats:sub>O(S1) NPs were calcined at a temperature of 600 °C to obtain lanthanum oxide nanoparticles (S2). Both NPs were characterised through various instrumental techniques. PXRD study showed orthorhombic with space group of <jats:italic>Pccn</jats:italic> (56) and hexagonal phases with space group of <jats:inline-formula id=\"j_zpch-2023-0396_ineq_001\">\u0000 <jats:alternatives>\u0000 <m:math xmlns:m=\"http://www.w3.org/1998/Math/MathML\" overflow=\"scroll\">\u0000 <m:mrow>\u0000 <m:mi>P</m:mi>\u0000 <m:mover accent=\"true\">\u0000 <m:mn>3</m:mn>\u0000 <m:mo>‾</m:mo>\u0000 </m:mover>\u0000 <m:mi>m</m:mi>\u0000 <m:mn>1</m:mn>\u0000 </m:mrow>\u0000 </m:math>\u0000 <jats:tex-math>\u0000$Poverline{3}m1$\u0000</jats:tex-math>\u0000 <jats:inline-graphic xmlns:xlink=\"http://www.w3.org/1999/xlink\" xlink:href=\"graphic/j_zpch-2023-0396_ineq_001.png\" />\u0000 </jats:alternatives>\u0000 </jats:inline-formula>(164) for S1 and S2 respectively whose morphology and elemental analysis were studied through FESEM and EDX. High resolution TEM image of La<jats:sub>2</jats:sub>(CO<jats:sub>3</jats:sub>)<jats:sub>3</jats:sub>·8H<jats:sub>2</jats:sub>O and La<jats:sub>2</jats:sub>O<jats:sub>3</jats:sub> showed spherical shapes of the nanoparticles. Further study of XPS and FTIR conveyed detailed information of both nanoparticles whose TGA-DSC showed three step decomposition curves. The size and morphology of the synthesized nanoparticles have been found to have a distinct morphology and are found comparatively smaller in size than those observed in the earlier reported works (Table 1\u0000<jats:table-wrap id=\"j_zpch-2023-0396_tab_001\">\u0000 <jats:label>Table 1:</jats:label>\u0000 <jats:caption>\u0000 <jats:p>Comparative study of synthesized lanthanum carbonate and lanthanum oxide NPs with various techniques applied by other researchers.</jats:p>\u0000 </jats:caption>\u0000 <jats:table frame=\"hsides\">\u0000 <jats:colgroup>\u0000 <jats:col align=\"left\" />\u0000 <jats:col align=\"left\" />\u0000 <jats:col align=\"left\" />\u0000 ","PeriodicalId":506520,"journal":{"name":"Zeitschrift für Physikalische Chemie","volume":"13 4","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-03-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140228623","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Oxygen doped g-C3N4/LDH composite as highly efficient photocatalyst for wastewater treatment","authors":"Sadaf Mutahir, Muhammad Asim Khan, Wishma Noor, Rimsha Butt, S. Elkholi, Mohamed Bououdina, A. Alsuhaibani, K. Munawar, Muhammad Humayun","doi":"10.1515/zpch-2023-0468","DOIUrl":"https://doi.org/10.1515/zpch-2023-0468","url":null,"abstract":"\u0000 Herein, we fabricated a highly efficient oxygen-doped graphitic carbon nitride (O–CN) and layered double hydroxide (LDH) nanocomposite photocatalyst and utilized it in the degradation of organic dyes in wastewater. The composite’s structure, morphology, and different optical features were examined using different techniques such as FT-IR spectroscopy, UV-visible spectroscopy, scanning electron microscopy (SEM), SEM-EDX, energy dispersive X-ray (EDX), and X-ray diffraction (XRD). The composite has shown a crystalline structure, in contrast to the amorphous nature of oxygen-doped g-C3N4. Using a wide range of experimental parameters, including dye concentration, visible light, irradiation time, catalyst dose, contact time, and pH, the increase in the reaction performance of the catalyst was observed. The results reveal that 98.5 % adsorption degradation efficiency increased with the increase in catalyst dosage, contact time, and pH. The as-fabricated photocatalyst generated reactive species that were involved in the degradation of methylene blue (MB) dye upon exposure to visible light irradiation.","PeriodicalId":506520,"journal":{"name":"Zeitschrift für Physikalische Chemie","volume":"44 S1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-03-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140232490","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Incredible electrochemical performance of ZnWO4/PANI as a favorable electrode material for supercapacitor","authors":"Sastipriyaa Padmanaaban, Yadhukrishnan Kakkad Vasudevan, Raja Viswanathan, Sujin P. Jose, Gopinathan Chellasamy","doi":"10.1515/zpch-2023-0523","DOIUrl":"https://doi.org/10.1515/zpch-2023-0523","url":null,"abstract":"\u0000 ZnWO4/PANI was synthesized through the in-situ polymerization technique, revealing the wolframite monoclinic phase in its XRD pattern. The distinctive morphology of ZnWO4/PANI observed in the SEM image, exhibits enhanced redox sites, thereby improving its electrochemical performance. Cyclic voltammetry and galvanostatic charge-discharge studies confirm the pseudocapacitive behavior of ZnWO4/PANI, showcasing an impressive capacitance of 908 F g−1 at 1 A g−1 in 1 M KOH, along with a capacitive retention of 94 % over 5000 cycles. The robust conductivity of PANI and the narrow ion transport channels along with multiple oxidation states of ZnWO4 contribute to the higher specific capacity, guiding the movement of electrons and ions. This study suggests a synergistic effect in ZnWO4/PANI, resulting in remarkable electrochemical performance enhancements.","PeriodicalId":506520,"journal":{"name":"Zeitschrift für Physikalische Chemie","volume":"19 40","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-03-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140240430","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Comparison of different iron oxides for degradation of tetracycline anti-bacterial drug","authors":"Radhakrishnan Velayudan, Jeyakumaran Natarajan","doi":"10.1515/zpch-2024-0606","DOIUrl":"https://doi.org/10.1515/zpch-2024-0606","url":null,"abstract":"\u0000 Nanomaterials have a wide range of applications including novel biomedical studies are devoted to improving the functionality and effectively of traditional and unmodified systems, both drug carriers and common scaffolds for tissue engineering or advanced hydrogels for wound healing purposes. In this regard, metal oxide nanoparticles show great potential as versatile tools in biomedical science. In particular, iron oxide nanoparticles with different shape and sizes hold outstanding physiochemical characteristics, such as high specific area and structure that make them unique nanomaterials to be used in diverse aspects of medicine and biological systems. The challenges associated with the uncontrolled presence of antibiotics such as tetracycline in the environment have necessitated their removal through different techniques. Tetracycline is hard to degrade in living organisms and can even be converted to more toxic substances. In this article different type of iron oxides were subjected to photo degradation of antibacterial drug Tetracycline under UV light illumination and direct sunlight and the results were promising to degrade the drug within 20 min. The SEM, TEM, EDAX and XRD for the catalyst were characterized to confirm the presence of iron oxide, the size and shape of the particle. The kinetics of photo degradation of tetracycline followed the pseudo-first-order mechanism, proceeding through hydroxyl radicals generated under illumination. Moreover, the photo generated hydrogen peroxide could lead to heterogeneous photocatalytic processes on the surface of iron oxide nanoparticles; additionally generating hydroxyl and hydroperoxyl radicals enables photo degradation of tetracycline.","PeriodicalId":506520,"journal":{"name":"Zeitschrift für Physikalische Chemie","volume":"4 12","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-03-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140241884","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Evaluation of magnetic and electrochemical performance of copper oxide nanoparticles using Myristica fragrans (mace) extract","authors":"Shandhiya Murugan, Deepika Balraj, Saranya Amirtharajan, Ramesh P Manimuthu, Rama R N Venkata, Janarthanan Balasundaram, Mohamed R Ziaudeen, Sharmila Saminathan","doi":"10.1515/zpch-2024-0582","DOIUrl":"https://doi.org/10.1515/zpch-2024-0582","url":null,"abstract":"\u0000 The synthesis of metal oxide nanoparticles using natural extract encourages the futuristic design of an environmentally friendly system by getting rid of the dangerous, toxic substances. The food industry in India is paying a lot of attention to Myristica fragrans, often known as mace, due to its rich medicinal significance. In the current study, M. fragrans (Mace) aqueous extract was used to prepare copper oxide (CuO) nanoparticles. Phytochemical screening confirms the presence of bioactive substances such as alkaloids, sterols, glycosides, and flavonoids in the extract. XRD and SEM measurements show that the nanoparticles have a monoclinic structure with polyhedral shape. Using the Debye-Scherrer formula, the material’s average crystallite size was found to be 85 nm. Based on the Tauc plot, an optical band gap of the prepared CuO NPs was calculated as 2.6 eV. At room temperature, the material’s magnetic property was investigated using VSM analysis. Congo red was used to examine the photocatalytic properties of the materials with various timings. CuO nanoparticles’ antibacterial activity was evaluated at various doses against Staphylococcus aureus and Klebsiella pneumoniae. Almost, CuO NPs exhibit better response against both the bacteria. Moreover, research investigations using cyclic voltammetry was carried out to assess the produced nanoparticles’ pseudocapacitive qualities. At a scan rate of 10 mV s−1, the material produced a good specific capacitance of 233.8 F/g with 1 M of KOH as an electrolyte.","PeriodicalId":506520,"journal":{"name":"Zeitschrift für Physikalische Chemie","volume":"37 7","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-03-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140244792","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Gamma radiation-induced degradation of Acid Violet 49 in the presence of hydrogen peroxide (H2O2) in an aqueous medium","authors":"T. H. Bokhari, Aqsa Iqbal, Muhammad Usman, Maryam Al Huwayz, Mazhar Iqbal, Abid Ali, N. Alwadai, Munawar Iqbal, A. Nazir, Umer Younas","doi":"10.1515/zpch-2022-0165","DOIUrl":"https://doi.org/10.1515/zpch-2022-0165","url":null,"abstract":"\u0000 The present study is about the effect of gamma radiations on the degradation of Acid Violet 49 (AV49) in the presence of H2O2 (γ/H2O2). The Cs-137 radiation source was calibrated to irradiate the aqueous solution of AV49 within the 1 kGy, 5 kGy & 10 kGy dose range. The results showed that 50–150 mg/L of AV49 was effectively degraded by γ radiation (85 %), however, the concentration of H2O2 in the range of 0.2–0.6 mL promoted degradation to 90 % and 98 %, respectively. It was observed that all absorption bands declined with rising irradiation dose and disappeared completely after 10 kGy applied dose. pH conditions (3, 5,7, and 9) were used in the radio-lytic degradation of AV49, the results showed that the best degradation efficiency has been found for pH 9. The optimum degradation rate is higher (98 %) with a 50 mg/L concentration of AV49, 0.6 mL H2O2, and pH 9 at a 10 kGy absorbed dose. In addition, the influence of various parameters on the rate of degradation such as the effect of irradiation dose, pH, H2O2, and dye (AV49) concentration was also studied. Furthermore, the removal of total organic carbon TOC was not as effective as that of the AV 49. Total nitrogen TN was not completely removed even at high dosage. Radio-lytic degradation of AV49 was analyzed by using Fourier transform infrared spectroscopy (FTIR) and liquid chromatography coupled to mass spectrometry (LC-MS) as an analytical technique. Results revealed that the proposed methodology for degradation of dyes is effective and probably could be applied for the removal of other toxic pollutants.","PeriodicalId":506520,"journal":{"name":"Zeitschrift für Physikalische Chemie","volume":"38 3","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-03-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140242009","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Amidoxime functionalized mesoporous silica nanoparticles for pH-responsive delivery of anticancer drug","authors":"M. Santhamoorthy, Ranganathan Suresh, Vanaraj Ramkumar, L. Guganathan, Kokila Thirupathi, G. Periyasami, Anandhu Mohan, Seong-Cheol Kim","doi":"10.1515/zpch-2023-0488","DOIUrl":"https://doi.org/10.1515/zpch-2023-0488","url":null,"abstract":"\u0000 In recent decades, nanomedicine has attracted much attention at the forefront of nanotechnology, gaining great expectations in the biomedical sectors. Among various nanomaterials, silica nanoparticles-based drug delivery is considered effective owing to their physicochemical stability and biological compatibility. Surface grafting and chemical conversion techniques were used to create an amphoteric functional ligand known as amidoxime ligand (AL) modified mesoporous silica material (MS-AL NPs). With this technique, amidoxime ligand groups can be introduced in greater concentration to the silica surface without compromising its structure. The active surface allows for surface functionalization and integration of medicinal substances. They are widely employed in the bio-medical industry for diagnostics, target administration of drugs, bio-sensing, cellular absorption, and so on. The function of the produced MS-AL NPs as a regulated drug delivery system was studied utilizing doxorubicin (Dox) as a model anticancer drug. Using the MCF-7 cell line, the biocompatibility and cellular uptake characteristics were investigated. Considering all factors, the MS-AL NPs may be used as pH-responsive drug carriers in cancer treatment applications.","PeriodicalId":506520,"journal":{"name":"Zeitschrift für Physikalische Chemie","volume":"17 5","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-03-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140250454","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Exploration of facile hydrothermally produced pure nickel oxide nanostructures as an effective electrode material for the enhanced supercapacitor applications","authors":"Leekeshwer Upadhyay, S. Dhanapandian, Selvakumar Suthakaran, Krishnamoorthi Ashokkumar, V. Sathana, Ayyar Dinesh, Manikandan Ayyar","doi":"10.1515/zpch-2024-0004","DOIUrl":"https://doi.org/10.1515/zpch-2024-0004","url":null,"abstract":"\u0000 This research work concerns with the magnetic and electrochemical characteristics of hydrothermally prepared nickel oxide (NiO) nanoparticles for their use as working electrode material in supercapacitor. Through the use of thermal gravimetric (TG-DTA), the thermal stability and heat adsorption/desorption characteristics of the as-produced NiO nanoparticles were examined. By using X-ray diffraction (XRD) technique at ambient, 600 °C and 800 °C annealing temperatures, the trigonal and cubic structure of the as prepared and annealed nanoparticles was discovered. The spherical and cubic morphology of the as synthesized and annealed (800 °C) NiO nanoparticles was confirmed through field emission scanning electron microscope (FESEM), energy dispersive X-ray (EDAX) analysis. The functional groups, optical bandgap energy, surface chemistry, specific surface area and superparamagnetic behavior of the annealed (800 °C) NiO nanoparticles were determined through Fourier transform infra-red (FT-IR), UV-DRS, XPS, BET and VSM characterization approaches, respectively. At the lowest scan rates of 10 mVs−1 and 0.5 Ag−1, the pseudocapacitive behavior was noticed utilizing CV and GCD analyses. An excellent electrical conductivity for the supercapacitor application was also shown by the Nyquist plot of the produced NiO electrode.","PeriodicalId":506520,"journal":{"name":"Zeitschrift für Physikalische Chemie","volume":"93 6","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-03-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140249473","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}