Kar Ban Tan
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View article: Low intensity UV driven dual functional Cu doped BiVO4 for enhanced methylene blue degradation and Staphylococcus aureus inactivation
Low intensity UV driven dual functional Cu doped BiVO4 for enhanced methylene blue degradation and Staphylococcus aureus inactivation Open
This study reported on a dual-functional Cu-doped BiVO4 photocatalyst synthesized via the hydrothermal method. Optimized 1 wt% Cu doping narrowed the bandgap to 2.24 eV, enabling 85% methylene blue (MB) degradation under low-intensity UV (…
View article: ZIF-8/graphene composite for photocatalytic degradation under low intensity UV irradiation and antibacterial applications
ZIF-8/graphene composite for photocatalytic degradation under low intensity UV irradiation and antibacterial applications Open
In this study, we synthesized a ZIF-8/graphene (Gr) composite and evaluated its photocatalytic degradation performance toward levofloxacin (LVX) under low-intensity UV light. The composite exhibited improved charge separation and enhanced …
View article: Comparison Study of Natural Dye Sensitisers in Dye-Sensitised Solar Cells
Comparison Study of Natural Dye Sensitisers in Dye-Sensitised Solar Cells Open
This work explored the performance and characterisation of dye-sensitised solar cells (DSSCs) based on sustainable dyes, as compared to traditionally applied dyes consisting of metal compounds. Several natural sources were used to extract …
View article: Synthesis of CuO nanoparticles using waste-derived bamboo cellulose for enhanced catalytic and antibacterial applications
Synthesis of CuO nanoparticles using waste-derived bamboo cellulose for enhanced catalytic and antibacterial applications Open
Copper oxide (CuO) nanoparticles were prepared using waste-derived cellulose from bamboo biomass as a functional additive. The cellulose, recovered from an alkaline dissolution process, enhanced the dispersion and structural integrity of C…
View article: Battery Architecture Without Cathode Based on Deposition and Dissolution Chemistry of Aluminum and Manganese Ions
Battery Architecture Without Cathode Based on Deposition and Dissolution Chemistry of Aluminum and Manganese Ions Open
As the carrier of charge storage, the electrode determines the efficiency of the energy conversion reaction between the battery and the substance. However, with the continuous development of scientific research, electrode preparation is st…
View article: Assessing the Photocatalytic Performance of Hydrothermally Synthesized Fe-Doped BiVO4 Under Low-Intensity UV Irradiation
Assessing the Photocatalytic Performance of Hydrothermally Synthesized Fe-Doped BiVO4 Under Low-Intensity UV Irradiation Open
This study demonstrates the potential of Fe-doped BiVO 4 as an efficient photocatalyst for the degradation of tetracycline (TC). The Fe-doped BiVO 4 was synthesized using the hydrothermal method, resulting in a monoclinic heterostructure w…
View article: Near‐Zero Energy Dissipation Multilayer Ceramic Capacitors via Inhomogeneous Polarization Design
Near‐Zero Energy Dissipation Multilayer Ceramic Capacitors via Inhomogeneous Polarization Design Open
Multilayer ceramic capacitors (MLCCs) demonstrate considerable potential for advance pulsed power systems, owing to their high‐power density and fast charge/discharge capabilities. In light of the increasing demand for energy conservation,…
View article: Investigating the potential of Zn2+, Cd2+ and Ni2+ substituted bismuth magnesium tantalate pyrochlores as a new class of ceramic dielectrics
Investigating the potential of Zn2+, Cd2+ and Ni2+ substituted bismuth magnesium tantalate pyrochlores as a new class of ceramic dielectrics Open
This study examined the impact of zinc (Zn), cadmium (Cd) and nickel (Ni) transition metals on the formation, structure and dielectric properties of bismuth magnesium tantalate (BMT) pyrochlores. A one-to-one substitution of Mg2+ with Zn2+…
View article: Novel pyrochlores in the Bi2O3–MgO–Ta2O5 (BMT) system: Synthesis optimisation, phase equilibria and dielectric properties
Novel pyrochlores in the Bi2O3–MgO–Ta2O5 (BMT) system: Synthesis optimisation, phase equilibria and dielectric properties Open
Investigating the phase equilibria within the Bi2O3–MgO–Ta2O5 (BMT) system offers critical insights into the formation and stability of pyrochlore phases. This understanding enables the correlation of dielectric properties with phase equil…
View article: Investigation of electrochromic performances of multicolor V2O5 devices fabricated at low processing temperature
Investigation of electrochromic performances of multicolor V2O5 devices fabricated at low processing temperature Open
In recent decades, poorly insulated windows have increased the energy consumption of heating and cooling systems, thus contributing to excessive carbon dioxide emissions and other related pollution issues. From this perspective, the electr…
View article: Solution Casting Effect of PMMA-Based Polymer Electrolyte on the Performances of Solid-State Electrochromic Devices
Solution Casting Effect of PMMA-Based Polymer Electrolyte on the Performances of Solid-State Electrochromic Devices Open
Electrochromic devices (ECDs) are devices that change their optical properties in response to a low applied voltage. These devices typically consist of an electrochromic layer, a transparent conducting substrate, and an electrolyte. The ad…
View article: Aloe Vera–Assisted Synthesis of Dy‐Doped MgNb<sub>2</sub>O<sub>6</sub> for Sustainable Sensing and Photocatalytic Applications
Aloe Vera–Assisted Synthesis of Dy‐Doped MgNb<sub>2</sub>O<sub>6</sub> for Sustainable Sensing and Photocatalytic Applications Open
This study introduces a novel, cost‐effective, and combustion synthesis approach for synthesizing dysprosium‐doped magnesium niobium oxide (Dy: MNbO) nanoparticles (NPs) via a solution combustion method utilizing aloe vera gel as a green f…
View article: Green synthesized CaO decorated ternary CaO/g-C3N4/PVA nanocomposite modified glassy carbon electrode for enhanced electrochemical detection of caffeic acid
Green synthesized CaO decorated ternary CaO/g-C3N4/PVA nanocomposite modified glassy carbon electrode for enhanced electrochemical detection of caffeic acid Open
A highly selective, sensitive caffeic acid (CA) detection based on calcium oxide nanoparticles (CaO NPs) derived from extract of Moringa oleifera leaves decorated graphitic carbon nitride covalently grafted poly vinyl alcohol (CaO/g-C3N4/P…
View article: Optical and Structural Properties of V2O5 Electrochromic Thin Films
Optical and Structural Properties of V2O5 Electrochromic Thin Films Open
The increase in global temperature has led to a significant surge in energy consumption within the air conditioning industry, resulting in environmental deterioration. Electrochromic (EC) windows have emerged as a promising solution to add…
View article: Electrical circuit modeling for the relaxor response of bismuth magnesium tantalate pyrochlore
Electrical circuit modeling for the relaxor response of bismuth magnesium tantalate pyrochlore Open
The electrical properties of bismuth magnesium tantalate pyrochlore, Bi3.30Mg1.88Ta2.82O13.88 (BMT) were investigated by both inductor-capacitor-resistor (LCR) and impedance spectroscopy techniques covering a broad temperature range of 10–…
View article: Substituted Bi3.5Mg1.8Nb2.7O13.8 pyrochlores with transition metals (Zn, Ni and Cd): Doping mechanism, structure and electrical properties
Substituted Bi3.5Mg1.8Nb2.7O13.8 pyrochlores with transition metals (Zn, Ni and Cd): Doping mechanism, structure and electrical properties Open
The influence of transition metals (Zn, Cd and Ni) on bismuth magnesium niobate (Bi3.5Mg1.8Nb2.7O13.8, BMN) pyrochlores was investigated. Considering the difference in their ionic radii, Cd was postulated to substitute Mg at the eight-fold…
View article: Multielement Doped Barium Strontium Titanate Nanomaterials as Capacitors
Multielement Doped Barium Strontium Titanate Nanomaterials as Capacitors Open
Due to the growing demand of energy and wastage of energy, there exists an interest of storing energy so that it could be utilized efficiently. Capacitors are materials designed for such an application. Ferroelectric materials are known fo…
View article: Microstructural, morphological and dielectric properties of Mo, Se co-doped Ba0.6Sr0.4TiO3 perovskites
Microstructural, morphological and dielectric properties of Mo, Se co-doped Ba0.6Sr0.4TiO3 perovskites Open
Previous studies have shown that co-doping of BST resulted in enhanced dielectric properties of BST. Meanwhile, no work was reported about effect of Mo, Se on the dielectric properties of Barium strontium titanate (BST). Hence, this report…
View article: Microstructural and dielectric properties of Mo-doped barium strontium titanate nanopowders
Microstructural and dielectric properties of Mo-doped barium strontium titanate nanopowders Open
The goal of this research was to examine how the dielectric properties of barium strontium titanate (BST) differ from those of BST that has been doped with molybdenum. The slow injection sol-gel technique was used. The addition of Mo6+ ion…
View article: Excess Mg in situ powder addition for enhancing critical current density of ex situ MgB2
Excess Mg in situ powder addition for enhancing critical current density of ex situ MgB2 Open
In this work, ex situ MgB 2 bulks were added with (1.5 Mg + 2B) and sintered in an attempt to enhance its intergrain connectivity. The addition was varied within the range of 0–50 wt.%, and the sintering was undertaken at 700 °C, 800 °C, a…
View article: Enhanced critical current density of ex situ MgB2 via control of Mg assisted sintering
Enhanced critical current density of ex situ MgB2 via control of Mg assisted sintering Open
In this work, ex situ MgB 2 was mixed with 0.5 mol of Mg and sintered. The sintering conditions were varied over a temperature range of 600–1000 °C for 1, 3, and 7 h, respectively. The addition of Mg during the sintering increased the part…
View article: Microstructural and dielectric properties of Mo-doped barium strontium titanate nanopowders
Microstructural and dielectric properties of Mo-doped barium strontium titanate nanopowders Open
The goal of this research was to examine how the dielectric properties of barium strontium titanate (BST) differ from those of BST that has been doped with molybdenum. The slow injection sol-gel technique was used. The addition of Mo6+ ion…
View article: Superoleophilic-Hydrophobic Kapok Oil Sorbents via Energy Efficient Carbonization
Superoleophilic-Hydrophobic Kapok Oil Sorbents via Energy Efficient Carbonization Open
High oil sorption, dynamic oil/water selectivity and oil retention are essential for advanced materials to remediate offshore oil spills. In this context, superoleophilic-hydrophobic kapok bundles, synthesized via a simple, one-step and en…