Weiqian Tian, Qiuming Gao, Liming Zhang, Chunxiao Yang et al.
Renewable graphene-like nitrogen-doped carbon nanosheets were constructed from layered shrimp shells with integrated high energy–power supercapacitive properties.
Tasmina Khandaker, Tasniqul Islam, Ananya Nandi, Md Al-Amin Mia Anik et al.
Biomass-derived carbon materials (BDCMs) represent a versatile and sustainable solution for a range of energy generation and storage applications, owing to their tunable porosity, high surface area, and excellent electrochemical properties.
Mirza H. K. Rubel, Md.A. Hossain, M. Khalid Hossain, Khandaker Monower Hossain et al.
This study has explored numerous physical properties of CaPd3Ti4O12 (CPTO) and CaPd3V4O12 (CPVO) quadruple perovskites employing the density functional theory (DFT) method. The calculated lattice constants show inclinable compliance with the experimental results that ensure their structural stabilit...
Md Masruck Alam, Md Ashraf Hossain, Md Delowar Hossain, Md Abu Hasan Johir et al.
Activated carbon (AC) has been extensively utilized as an adsorbent over the past few decades. AC has widespread applications, including the removal of different contaminants from water and wastewater, and it is also being used in capacitors, battery electrodes, catalytic supports, and gas storage m...
Yuanjun Song, Mingliang Wang, Xiao‐Yang Zhang, Jing‐Yuan Wu et al.
Serving as shape control agent, polyvinyl pyrrolidone (PVP) has been widely used in chemical synthesis of metal nanoparticles. However, the role of molecular weight (MW) of PVP has been rarely concerned. In this study, we show a facile method to control the shapes of silver nanocrystals using PVP wi...
Bijoy Krishna Roy, Ishmam Tahmid, Taslim Ur Rashid
Chitosan-based electrodes and electrolytes are optimistic options for supercapacitor applications. They are ecofriendly, biocompatible, and exhibit promising performance with good ionic conductivity, specific capacitance, and power density.
Xuefeng Gu, Teng Qiu, Wenjun Zhang, Paul K. Chu
Light-emitting diodes [LEDs] are of particular interest recently as their performance is approaching fluorescent/incandescent tubes. Moreover, their energy-saving property is attracting many researchers because of the huge energy crisis we are facing. Among all methods intending to enhance the effic...
Xiwei Qi, Jianping Zhou, Zhen Yue, Z. Gui et al.
Abstract Composite materials containing both ferroelectric and ferromagnetic phases have been synthesized from nanometer‐sized powders of BaTiO 3 (ferroelectric phase) and NiCuZn ferrite (ferromagnetic phase) by a standard ceramic method. The coexistence of magnetic and electric hysteresis in the co...
Minghao Yu, Y. Zhang, Yinxiang Zeng, Muhammad‐Sadeeq Balogun et al.
A kind of multiwalled carbon-nanotube (MWCNT)/polydimethylsiloxane (PDMS) film with excellent conductivity and mechanical properties is developed using a facile and large-scale water surface assisted synthesis method. The film can act as a conductive support for electrochemically active PANI nano fi...
Geng‐Bo Wu, Jun Yan Dai, Kam Man Shum, Ka Fai Chan et al.
Metasurfaces have promising potential to revolutionize a variety of photonic and electronic device technologies. However, metasurfaces that can simultaneously and independently control all electromagnetics (EM) waves' properties, including amplitude, phase, frequency, polarization, and momentum, wit...
Mohammad Nazmus Sakib, Saifuddin Ahmed, S.M. Sultan Mahmud Rahat, Sanzeeda Baig Shuchi
Guofu Ma, Miaomiao Dong, Kanjun Sun, Enke Feng et al.
A stable and effective redox-mediator gel electrolyte has been prepared by doping indigo carmine (IC) into a polyvinyl alcohol sulfuric acid polymer system (PVA–H<sub>2</sub>SO<sub>4</sub>), and a high performance solid state supercapacitor is fabricated by utilizing activated carbon as electrodes a...
Meng Qiu, Lei Zhang, Zhixiang Tang, Wei Jin et al.
Abstract Chirality is a universal geometric property in both micro‐ and macroworlds. Recently, optical chiral effects have drawn increased attention due to their great potential in fundamental studies and practical applications. Significantly, the optical chiral response of artificial structures can...
Gomaa A. M. Ali, Osama A. Fouad, Salah A. Makhlouf, Mashitah M. Yusoff et al.
In this study, Co3O4/SiO2 nanocomposites have been successfully synthesized by citrate–gel method by utilizing SiO2 matrix for Co3O4 embedment. Spectroscopy analyses confirm the formation of high crystalline Co3O4 nanoparticles; meanwhile, microscopy findings reveal that the Co3O4 nanoparticles are ...
Jun Yan Dai, Liu Yang, Jun Chen Ke, Ming Zheng Chen et al.
Abstract Space‐time modulated metasurfaces enable efficient manipulations of nonlinear harmonics with more degrees of freedom than conventional materials by simply controlling the element geometries and modulation signals. The theoretical analyses reveal that a group of harmonics in reflected waves ...