Journal of Materials Science: Materials in Electronics最新文献_第3页

Effect of tungsten disulfide on NiCo-MOFs@NiVS nanocomposite binder-free electrode material for hybrid supercapacitor

IF 2.8 4区工程技术

Journal of Materials Science: Materials in Electronics Pub Date : 2024-12-17 DOI: 10.1007/s10854-024-13948-9

Nimra Muzaffar, Amir Muhammad Afzal, Muhammad Waqas Iqbal, Aneeqa Yasmeen, Munirah D. Albaqami, Saikh Mohammad Wabaidur, Sohail Mumtaz, Shaik Abdul Munnaf

{"title":"Effect of tungsten disulfide on NiCo-MOFs@NiVS nanocomposite binder-free electrode material for hybrid supercapacitor","authors":"Nimra Muzaffar, Amir Muhammad Afzal, Muhammad Waqas Iqbal, Aneeqa Yasmeen, Munirah D. Albaqami, Saikh Mohammad Wabaidur, Sohail Mumtaz, Shaik Abdul Munnaf","doi":"10.1007/s10854-024-13948-9","DOIUrl":"10.1007/s10854-024-13948-9","url":null,"abstract":"<div>This investigation addresses the novel combination of MOFs with TMDs and metal vanadium sulfides, offering a unique approach for fabricating high-performance hybrid electrode materials. Here, we proposed a composite NiCo-MOF@WS2@NiVS material, which was synthesized by the hydrothermal method. Further, the tip sonication method was used to fabricate WS2 nanoflake. Moreover, a comprehensive study was conducted to observe the distinctive behavior of binder-free electrodes. A broad investigation of the morphological, structural, and compositional characteristics of nanocomposite was conducted utilizing SEM, XRD, and XPS methodologies. The NiCo-MOFs@WS2@NiVS electrode exhibited a specific capacity (Qs) of 1235 Cg−1, which was higher than the NiCo-MOF (567 Cg−1) and WS2 (717 Cg−1). When employed in supercapattery, the NiCo-MOF@WS2@NiVS hybrid electrode showed a Qs of 600 Cg−1. The device demonstrated a noteworthy Pd of 2500 Wkg−1 and a remarkable Ed of 133 Whkg−1. After 5000 cycles, the device has retained 88% of its initial capacity. These results indicate that the NiCo-MOF@WS2@NiVS nanocomposite can be efficiently employed in storage devices, improving energy solutions' effectiveness and sustainability.</div>","PeriodicalId":646,"journal":{"name":"Journal of Materials Science: Materials in Electronics","volume":"35 36","pages":""},"PeriodicalIF":2.8,"publicationDate":"2024-12-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://link.springer.com/content/pdf/10.1007/s10854-024-13948-9.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142826231","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Improving the electrochemical performance of supercapacitors through the use of NiO/Ag–TiO2 ternary nanocomposite: synthesis, characterization, and performance evaluation 通过使用 NiO/Ag-TiO2 三元纳米复合材料提高超级电容器的电化学性能：合成、表征和性能评估

IF 2.8 4区工程技术

Journal of Materials Science: Materials in Electronics Pub Date : 2024-12-17 DOI: 10.1007/s10854-024-14013-1

Somayeh Mehdigholami, Masood Hamadanian, Mohammad Reza Memarzadeh

引用次数: 0

Fabrication and characterization of self-powered SnO2/CdTe1-xSex/CdTe photodetectors 自供电 SnO2/CdTe1-xSex/CdTe 光电探测器的制作和特性分析

IF 2.8 4区工程技术

Journal of Materials Science: Materials in Electronics Pub Date : 2024-12-17 DOI: 10.1007/s10854-024-14076-0

Salih Yılmaz, Bülent M. Başol, İsmail Polat, Tayfur Küçükömeroğlu, Emin Bacaksız

{"title":"Fabrication and characterization of self-powered SnO2/CdTe1-xSex/CdTe photodetectors","authors":"Salih Yılmaz, Bülent M. Başol, İsmail Polat, Tayfur Küçükömeroğlu, Emin Bacaksız","doi":"10.1007/s10854-024-14076-0","DOIUrl":"10.1007/s10854-024-14076-0","url":null,"abstract":"<div>This study presents the self-powered photodetector capabilities of fluorinated tin oxide (FTO)/CdTe₁₋ₓSeₓ/CdTe heterostructures with Se compositions of x = 0.26 and x = 0.39. Structural analysis revealed that substituting Se atoms into Te sites reduced the unit cell volume, indicating successful incorporation. Scanning Electron Microscopy (SEM) analysis demonstrated a significant reduction in surface feature size with increasing Se content, particularly at x = 0.39. Band gap determination via Tauc plot extrapolation showed a band gap of 1.46 eV for CdTe₁₋ₓSeₓ with x = 0.26, which further decreased to 1.38 eV for x = 0.39. Under illumination from blue, green, and red lights at zero bias, the heterostructures exhibited photovoltaic behavior, confirming their potential use as self-powered photodetectors (PDs). Key performance metrics at zero bias for the FTO/CdTe₁₋ₓSeₓ/CdTe device included a responsivity (R) of 0.006 A/W, detectivity (D*) of 1.1 × 10⁸ Jones, and external quantum efficiency (EQE) of 1.8%, along with the rise and fall times of 17 ms and 21 ms, respectively. Applying an external bias further enhanced these metrics, with the highest R of 2.301 A/W and EQE of 645.3% observed for the x = 0.26 sample at 1 V. Notably, the device with x = 0.39 achieved the highest D* of 2.2 × 10⁹ Jones at 1 V. In conclusion, this work highlighted the potential of FTO/CdTe₁₋ₓSeₓ/CdTe heterostructures as highly efficient and versatile photodetectors, capable of functioning both with and without an external power source, making them promising candidates for next-generation optoelectronic applications.</div>","PeriodicalId":646,"journal":{"name":"Journal of Materials Science: Materials in Electronics","volume":"35 36","pages":""},"PeriodicalIF":2.8,"publicationDate":"2024-12-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142844912","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Structural, optical and dielectric properties of green synthesized Ag2S nanoparticles 绿色合成的 Ag2S 纳米粒子的结构、光学和介电性能

IF 2.8 4区工程技术

Journal of Materials Science: Materials in Electronics Pub Date : 2024-12-17 DOI: 10.1007/s10854-024-14071-5

Krishna Gopal Mondal, Soumen Rakshit, Bappa Sona Kar, Satyajit Saha, Paresh Chandra Jana, Makhanlal Nanda Goswami, Debabrata Maji, Jatindranath Mirda

{"title":"Structural, optical and dielectric properties of green synthesized Ag2S nanoparticles","authors":"Krishna Gopal Mondal, Soumen Rakshit, Bappa Sona Kar, Satyajit Saha, Paresh Chandra Jana, Makhanlal Nanda Goswami, Debabrata Maji, Jatindranath Mirda","doi":"10.1007/s10854-024-14071-5","DOIUrl":"10.1007/s10854-024-14071-5","url":null,"abstract":"<div>A facile, convenient, environment friendly green synthesis method has been used to synthesize Ag2S nanoparticles (NPs) using lemon extract. The various characterizations such as XRD, FESEM, FTIR and UV–Vis absorption spectrum confirm the good quality of nanosized Ag2S particles. The temperature and frequency dependent dielectric properties have been studied to investigate the electric behaviour of Ag2S NPs. A relaxation peak observed in loss tangent vs. frequency plot and it shifted towards higher frequency with increasing temperature. The variation of AC conductivity with frequency reveals that at lower frequency region obeys Jonsher’s Power Law (JPL) and Super-linear Power Law (SPL) at higher frequency region. Non-overlapping Small Polaron Tunnelling (NSPT) model is used to clarify the conduction process of JPL portion of the curve. The Nyquist plot of the sample has demonstrated two semi-circular arches, which suggests the effect of grain and grain boundary resistance in the Ag2S NPs. The grain and grain boundary resistance decrease with increasing temperature, which indicates the Negative Temperature Coefficient of Resistance (NTCR) behaviour like a semiconductor. The activation energy (Ea) has been estimated from the temperature dependent AC conductivity measurement. The P-E hysteresis loop measurement of Ag2S NPs shows the relaxor-ferroelectric behaviour at room temperature. The fabrication of p–n junction diode (Ag2S/Si) has been constructed and demonstrated the diode characteristics for the device applications.</div>","PeriodicalId":646,"journal":{"name":"Journal of Materials Science: Materials in Electronics","volume":"35 36","pages":""},"PeriodicalIF":2.8,"publicationDate":"2024-12-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142844914","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Sm-incorporated CoCr2O4 nanoparticles: tunable structural, optical, and magnetic properties

IF 2.8 4区工程技术

Journal of Materials Science: Materials in Electronics Pub Date : 2024-12-17 DOI: 10.1007/s10854-024-14051-9

Sipun Mohanty, Mritunjoy Prasad Ghosh, Samrat Mukherjee

{"title":"Sm-incorporated CoCr2O4 nanoparticles: tunable structural, optical, and magnetic properties","authors":"Sipun Mohanty, Mritunjoy Prasad Ghosh, Samrat Mukherjee","doi":"10.1007/s10854-024-14051-9","DOIUrl":"10.1007/s10854-024-14051-9","url":null,"abstract":"<div>In order to solve environmental challenges and fulfill the growing demand for renewable energy sources, researchers worldwide are looking for effective nanomaterials to cleanse wastewater and replace fossil fuels. In this study, doping of Sm3+ ions in nanocrystalline cobalt chromites and their effects on the structural, optical, and magnetic characteristics have been investigated thoroughly. Four Sm-doped nanosized cobalt chromites with a generic formula of CoSmxCr2-xO4 (x = 0.0, 0.03, 0.06, and 0.09) were prepared using the conventional wet co-precipitation technique. Powder x-ray diffractograms were obtained to confirm the cubic spinel crystal structure formation. Average crystallite sizes were observed to reduce with increasing Sm percentage in CoCr2O4 nanoparticles. The mean particle sizes derived from HRTEM images also followed a similar trend. Indirect optical band gaps increased with increasing Sm content in the host nanosized chromites. Vibrational Raman spectra recorded at room temperature confirmed the lowering of crystal symmetry for higher Sm content chromite samples. The Néel temperature of doped chromite nanoparticles was noticed to reduce with increasing Sm concentration. A gradual increase of effective anisotropy constant at 5 K with increasing Sm dopants confirmed the presence of various surface effects in the doped chromite samples. The doped samples have various applications, including sensors, detectors, photocatalysis, solar cells, and hyperthermia.</div>","PeriodicalId":646,"journal":{"name":"Journal of Materials Science: Materials in Electronics","volume":"35 36","pages":""},"PeriodicalIF":2.8,"publicationDate":"2024-12-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142826230","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Achieving well-balanced performance of d33 and Td in unmodified morphotropic phase boundary BNKT20 ceramics by optimizing phase structure

IF 2.8 4区工程技术

Journal of Materials Science: Materials in Electronics Pub Date : 2024-12-16 DOI: 10.1007/s10854-024-14054-6

Jinxin Fu, Changrong Zhou, Jun Chen, Dongyan Yu, Di Wu, Qingning Li, Changlai Yuan, Jiwen Xu, Guanghui Rao

{"title":"Achieving well-balanced performance of d33 and Td in unmodified morphotropic phase boundary BNKT20 ceramics by optimizing phase structure","authors":"Jinxin Fu, Changrong Zhou, Jun Chen, Dongyan Yu, Di Wu, Qingning Li, Changlai Yuan, Jiwen Xu, Guanghui Rao","doi":"10.1007/s10854-024-14054-6","DOIUrl":"10.1007/s10854-024-14054-6","url":null,"abstract":"<div>The incompatibility of the large piezoelectric response (d33) and high depolarization temperature (Td) in lead-free piezoelectric ceramics limited their practical applications. The most used modification methods for improving d33 or Td commonly required a delicate control of complex compositions. Here, a strategy for simply changing the sintering temperature is used to defer the Td and increase d33 simultaneously. The Td and d33 of unmodified Bi0.5Na0.5TiO3-0.2Bi0.5K0.5TiO3 (BNKT20) ceramics increase with increasing sintering temperature until both of them reach the maximum (d33 ~ 174pC/N, Td ~ 177 °C) at the sintering temperature of 1100 °C. In-depth analysis unveils the critical role of multiphase coexistence and oxygen vacancies in enhancing Td by optimizing sintering temperature. Meanwhile, increasing sintering temperature promotes large grain size with easy domain orientation, thus, yielding the improved d33. This work provides a simple and effective method to broaden the working range of Bi0.5Na0.5TiO3-based (BNT) piezoelectric ceramics at high temperature under the premise of realizing high piezoelectric properties.</div>","PeriodicalId":646,"journal":{"name":"Journal of Materials Science: Materials in Electronics","volume":"35 36","pages":""},"PeriodicalIF":2.8,"publicationDate":"2024-12-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142826266","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Composite graphene conductive solution for PCB hole metallization applications 适用于 PCB 孔金属化应用的复合石墨烯导电解决方案

IF 2.8 4区工程技术

Journal of Materials Science: Materials in Electronics Pub Date : 2024-12-16 DOI: 10.1007/s10854-024-14067-1

Jie Wu, Ke Zhong, Xingzhu Chen, Jianzhong Liu, Qunli Tang, Aiping Hu, Xiaohua Chen

{"title":"Composite graphene conductive solution for PCB hole metallization applications","authors":"Jie Wu, Ke Zhong, Xingzhu Chen, Jianzhong Liu, Qunli Tang, Aiping Hu, Xiaohua Chen","doi":"10.1007/s10854-024-14067-1","DOIUrl":"10.1007/s10854-024-14067-1","url":null,"abstract":"<div>In comparison to the high-pollution and high-cost electroless copper plating method, the direct plating technique offers significant advantages, including environmental sustainability, cost reduction, and ease of processing. Herein, a graphene-based hole process is developed, achieved by impregnating the PCB board with the graphene composite solution followed by heat treatment. When the ratio of graphene to carbon nanotubes is 6:4, the particle size of the solution is D50 = 0.14 μm, the viscosity is 3.8 mPa s, the conductivity of the film is 1500 S/m, and the solution's concentration decreases by only 1.2% after one month of static storage. The composite solution exhibits excellent dispersibility, fluidity, and electrical conductivity. In the graphene-based hole process, the negatively charged composite solution adheres to the modified hole wall through electrostatic interactions and van der Waals forces, forming a dense and conductive film. Backlight test results demonstrate that the resulting film exhibits completeness, density, and strong adhesion to the hole wall. Copper plating results further reveal a uniform and fully deposited copper layer on the hole walls, with a thickness of approximately 17 μm in THs (AR = 7.5). The throwing power (TP) value reach 113.8% at a composite solution solid content of 3 wt%. After undergoing three or five thermal shock tests at 288 °C and the cold-heat cycle test, the copper layer in the hole remained intact, without any cracking, meeting the stringent standards of the PCB industry. This work demonstrates that the graphene-based hole metallization process is a viable and promising alternative for PCB manufacturing.</div>","PeriodicalId":646,"journal":{"name":"Journal of Materials Science: Materials in Electronics","volume":"35 36","pages":""},"PeriodicalIF":2.8,"publicationDate":"2024-12-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142826448","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Elucidation of structural, optical, thermal, and third-order NLO analysis of 4-picolinium succinate single crystals

IF 2.8 4区工程技术

Journal of Materials Science: Materials in Electronics Pub Date : 2024-12-16 DOI: 10.1007/s10854-024-14007-z

S. M. Aneesha Kumari, S. E. Joema

{"title":"Elucidation of structural, optical, thermal, and third-order NLO analysis of 4-picolinium succinate single crystals","authors":"S. M. Aneesha Kumari, S. E. Joema","doi":"10.1007/s10854-024-14007-z","DOIUrl":"10.1007/s10854-024-14007-z","url":null,"abstract":"<div>The main purpose of this study is to use the experimental and theoretical slow evaporation solution growth technique to examine the structural behavior and NLO activity of a single crystal 4-Picolinium succinate (4PS). Single-crystal XRD investigation revealed the crystallographic system and lattice characteristics, indicating that the produced crystal corresponds to the triclinic system of space group P-1. Theoretically optimized parameters HOMO–LUMO and First-order hyperpolarizability 4PS were also analyzed. The crystal structure was stabilized by N–H…O and O–H…O bond interaction and its super molecular aggregation has been reported. The formed crystal was found to exhibit good crystalline perfection with a full-width at half maximum of 23.4 arc sec, according to high-resolution X-ray diffraction (HRXRD) examinations. Fourier transforms infrared (FTIR) analysis was used to identify the functional groups present in the grown crystal. UV–Visible spectral analysis of the title compound shows a lower cut-off wavelength at 220 nm and optical band gap of 4.7 eV was obtained from Tauc’s plot. Analysis of the 4PS crystal’s fluorescence behavior in the visible spectrum has shown that green color emission occurs at 535 nm. The TG/DTA shows that the studied compound is thermally stable up to 230 °C. The third-order optical nonlinearity of the 4PS crystal has been investigated by using Z-scan method with He–Ne laser pulses at the wavelength of 632 nm. The nonlinear refractive index (n2), nonlinear absorption coefficient (β), and third-order nonlinear susceptibility (χ(3)) are found to be 4.81* 10–19 cm2/W, 3.96* 10–12 cm2/W, and 1.43*10–13 esu, respectively. This signifies that the grown crystal has optical application.</div>","PeriodicalId":646,"journal":{"name":"Journal of Materials Science: Materials in Electronics","volume":"35 36","pages":""},"PeriodicalIF":2.8,"publicationDate":"2024-12-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142826449","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

The effect of rGO on the enhancement of photocatalytic activity of the CdS nanorods rGO 对提高 CdS 纳米棒光催化活性的影响

IF 2.8 4区工程技术

Journal of Materials Science: Materials in Electronics Pub Date : 2024-12-16 DOI: 10.1007/s10854-024-13955-w

A. A. El-Maaref, M. F. Hasaneen, Shoroog Alraddadi, Yasser A. M. Ismail, Abdelaziz M. Aboraia

{"title":"The effect of rGO on the enhancement of photocatalytic activity of the CdS nanorods","authors":"A. A. El-Maaref, M. F. Hasaneen, Shoroog Alraddadi, Yasser A. M. Ismail, Abdelaziz M. Aboraia","doi":"10.1007/s10854-024-13955-w","DOIUrl":"10.1007/s10854-024-13955-w","url":null,"abstract":"<div>This ensured the production of highly efficient photocatalytic activity for the CdS nanorods which were decorated with reduced graphene oxide (rGO) through the two-step hydrothermal route. The as-prepared samples came out fairly well as proved by the XRD, XPS results, Uv–visible spectra, and TEM analysis. The photocatalytic activity of the manufactured samples was evaluated as their capability to reduce the concentration of Methylene blue (MB) with the help of visible light. The surface area and the step-wise energy level structure of the samples enabled the degradation rate of MB dye to be increased to a figure of almost 91% in 180 min. These characteristics increased the adsorption performance of dye molecules and suppressed the recombination of charges in the photocatalyst. Furthermore, the incorporation of a reduced graphene oxide shell acted a vital role in safeguarding the internal CdS microspheres against photocorrosion. This composite exhibited remarkable reusability for its photocatalytic purposes. The enhanced ability to break down methylene blue molecules through light exposure can be explained by the greater capacity for these molecules to bind to the material, the ability to absorb light in the visible range, and the improved ability to transfer and separate charges. These improvements are a result of introducing a 2D rGO network.</div>","PeriodicalId":646,"journal":{"name":"Journal of Materials Science: Materials in Electronics","volume":"35 36","pages":""},"PeriodicalIF":2.8,"publicationDate":"2024-12-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142826156","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Investigation of defect centres in porous structure of nickel oxide synthesized by ecofriendly route for photocatalytic application 研究光催化应用中采用生态友好型路线合成的多孔氧化镍结构中的缺陷中心

IF 2.8 4区工程技术

Journal of Materials Science: Materials in Electronics Pub Date : 2024-12-16 DOI: 10.1007/s10854-024-13954-x

Srimathi Krishnaswamy, Puspamitra Panigrahi, Ganapathi Subramanian Nagarajan, Akshay Panigrahi

{"title":"Investigation of defect centres in porous structure of nickel oxide synthesized by ecofriendly route for photocatalytic application","authors":"Srimathi Krishnaswamy, Puspamitra Panigrahi, Ganapathi Subramanian Nagarajan, Akshay Panigrahi","doi":"10.1007/s10854-024-13954-x","DOIUrl":"10.1007/s10854-024-13954-x","url":null,"abstract":"<div>Porous nickel oxide nanoparticles were synthesized by solution combustion synthesis method using different concentrations (0.1, 0.2, 0.3 and 0.4 mol) of glycine as fuel and reducing agent. X-ray diffraction (XRD) pattern of the samples showed FCC structure with pure phase for all samples. By tuning the molar ratio of glycine to nickel nitrate, the porosity enhanced which was evidenced by scanning electron microscope (SEM). Transmission electron spectroscopy (TEM) exhibited spherical morphology with 30–40 nm particle size. Specific surface area was done using methylene blue dye method. The optical studies were studied systematically. The optical bandgap decreased on increasing the concentration of glycine. The room temperature Photoluminescence showed band edge emission at 359 nm and defect centres from 400 to 500 nm. The violet luminescent NiO can be used in optoelectronic devices. Porous 0.4 NiO with high defect centres was taken as photocatalyst for Methylene blue degradation under visible light.</div>","PeriodicalId":646,"journal":{"name":"Journal of Materials Science: Materials in Electronics","volume":"35 36","pages":""},"PeriodicalIF":2.8,"publicationDate":"2024-12-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142826158","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0