-
Article
Iron cobalt selenide counter electrode for application in dye-sensitized solar cell: synthesis parameter, structural, electrochemical, and efficiency studies
This work reports on the synthesis of FeCo2Se4 from FeCo2O4 by varying the duration of the selenization process. The structure and crystallinity of the products were characterized using X-ray diffraction (XRD). E...
-
Article
Characterizing sodium-conducting biopolymer blend electrolytes with glycerol plasticizer for EDLC application
In this research, a new system for electrical double-layer capacitors (EDLCs) is introduced that employs biopolymer blend electrolytes incorporating glycerol as a plasticizer. To prepare the films, the solutio...
-
Article
Development and Investigation of Electrochemical and Dielectric Properties of Eco-Friendly Lithium-Ion Conductor Biopolymer Electrolyte for Energy Storage Application
This study investigates Li+ ion-conducting biopolymer blend electrolytes-based on chitosan (CS) and potato starch (PS) with glycerol plasticization. The advanced techniques including FTIR, impedance, TNM, LSV, an...
-
Article
Comparative performance of single and binary metal selenides in dye-sensitized solar cells
Iron selenide (FeSe2), cobalt selenide (Co3Se4), and iron cobalt selenide (FeCo2Se4) have been synthesized via a two-step hydrothermal process. The formation of FeSe2, Co3Se4, and FeCo2Se4 has been proven by samp...
-
Article
Development of solid polymer electrolytes based on sodium-carboxymethylcellulose (NaCMC)-polysulphide for quantum dot-sensitized solar cells (QDSSCs)
Sodium-carboxymethylcellulose (NaCMC) films have been developed by solution casting technique. The films were soaked into an optimized aqueous polysulphide electrolyte containing 4 M sodium sulphide (Na2S) and 1 ...
-
Article
Open AccessDevelopment of Polymer Blends Based on PVA:POZ with Low Dielectric Constant for Microelectronic Applications
There is a huge request for the development of low dielectric constant polymeric materials for microelectronic applications. In thisstudy, polymer blends based on PVA:POZ with low dielectric constant has been ...
-
Article
Biodegradable poly (ε-caprolactone)/lithium bis(trifluoromethanesulfonyl) imide as gel polymer electrolyte
Poor conductivity and toxic technological garbage of polymer electrolyte has delayed energy storage application in electric vehicles. Biodegradable gel polymer electrolytes (GPEs) based on poly (ε-caprolactone...
-
Article
Open AccessLarge-scale interaction effects reveal missing heritability in schizophrenia, bipolar disorder and posttraumatic stress disorder
Genetic susceptibility factors behind psychiatric disorders typically contribute small effects individually. A possible explanation for the missing heritability is that the effects of common variants are not o...
-
Article
Vibrational, electrical, and structural properties of PVDF–LiBOB solid polymer electrolyte with high electrochemical potential window
Polyvinylidene difluoride (PVDF)–lithium bis(oxalato)borate (LiBOB) solid polymer electrolytes (SPEs) have been prepared by solution casting. The highest ionic conductivity achieved is 3.4610−3 S cm−1. Electroche...
-
Article
Ion dynamics in methylcellulose–LiBOB solid polymer electrolytes
A polymer electrolyte system comprising methylcellulose (MC) as the host polymer and lithium bis(oxalato) borate (LiBOB) as the lithium ion source has been prepared via the solution cast technique. The electro...
-
Article
Overview of the ISOL facility for the RISP
The key feature of the Isotope Separation On-Line (ISOL) facility is its ability to provide high-intensity and high-quality beams of neutron-rich isotopes with masses in the range of 80–160 by means of a 70-Me...
-
Article
ISOL facility for rare isotope beams at RAON
The Rare Isotope Science Project (RISP) in Korea is develo** the Rare Isotope (RI) Accelerator, RAON. The RAON is planned to be an advanced RI beam using isotope separation on-line (ISOL) with a high-power t...
-
Article
Status of Rare Isotope Science Project in Korea
The Rare Isotope Science Project (RISP) is launched in Korea to build the IF and ISOL facilities. Current status of RISP is introduced.
-
Article
Synthesis of Al2TiO5 and its effect on the properties of chitosan–NH4SCN polymer electrolytes
In this paper, Al2TiO5 ceramic material has been synthesised and used as filler in polymer electrolyte system to enhance the conductivity. The precursor sintered at 1,050 °C and contained 0.08 mole of aluminium n...
-
Article
Electrical double-layer capacitors with plasticized polymer electrolyte based on methyl cellulose
Poly(ethylene glycol) plasticized polymer electrolytes based on methyl cellulose have been prepared using the solution casting technique. Interactions between component materials in the electrolyte have been e...
-
Article
Damage in graphite tiles irradiated with helium plasmas
Plasma-facing materials in fusion devices are irradiated by a high particle flux from a dense plasma. Graphite tiles, widely used as plasma-facing materials, were irradiated with a helium plasma of a high flux...
-
Article
Reference neutron fields of the KIGAM for the neutron energy range between 144 keV and 2.5 MeV
The Korea Institute of Geoscience and Mineral Resources (KIGAM) is constructing a reference neutron field facility as a national project. Neutron fields consist of mono-energetic sources of 144 keV, 250 keV, 5...
-
Article
Production of monoenergetic MeV-range neutrons by 3H(p,n)3He reaction
Monochromatic MeV-energy neutron source for secondary reaction was developed utilizing tritium embedded titanium (Ti-3H) thin film via 3H(p,n)3He reaction. We have measured the neutron energies and the energy spr...
-
Article
Design of a nanosecond beam bunching system
A nanosecond proton bunching system has been constructed at Korea Institute of Geoscience and Mineral Resources (KIGAM). This pulsed ion beam will be converted into corresponding duration of neutron pulse, whi...
-
Article
Measurements of fast neutron capture cross sections on 63Cu and 186W
Neutron capture cross sections on 63Cu and 186W were measured by fast neutron activation method at neutron energies from 1 to 2 MeV. Monoenergetic fast neutrons were produced by 3H(p,n)3He reaction. Neutron energ...
