An effort was made in this work to calculate the total ground state energy and electronic band structure of Fullerenes (C60), Graphite and Diamond using FHI-aims Density Functional Theory (DFT) code. The density functionals used are the local-density approximation (LDA) in the pa...
Open access
Research Article10.9734/PSIJ/2018/41778
The total ground state energy and electronic band structure of Graphite and Diamond were calculated in this work using FHI-aims (Fritz Haber Institute ab initio molecular simulations) Density Functional Theory (DFT) code. The density functionals used are the generalised gradient...
Open access
Research Article10.9734/AJOPACS/2018/41779
In this paper, the cohesive energies of Sodium Chloride (NaCl), Silicon dioxide (SiO2) and Alum inum (Al) based on computer code FHI-aims were calculated using Density Functional Theory. The code has several input parameters in which some of the variables were optimized. The cohe...
Open access
Research Article10.9734/PSIJ/2016/26479
The Debye relaxation equation and its derivatives were used to analyze dielectric constant and loss factor of pure methanol in megahertz and gigahertz over the temperature range of 10°C to 50°C. This was done in order to ascertain which of the frequency ranges has the highest die...
Open access
Research Article10.9734/BJAST/2017/31374
The dielectric behavior of both acetone and dimethylformamide (DMF) were examined in the presence of an electric field. The electrical conductivity of both solvents was used to estimate the complex permittivity of acetone and dimethylformamide. The relaxation time of the solvents...
Open access
Research Article10.9734/PSIJ/2016/27742
Dye-sensitized solar cell (DSSC) was fabricated using natural dye extracted from Roselle flower. The sensitization performance related to interaction between the dye and titanium dioxide (TiO2) surface was evaluated under 100 mWcm-2 light intensity. The DSSC based on the Hibiscus...
Open access
Research Article10.9734/BJAST/2016/24437
We reported an improved performance of a dye sensitized solar cell (DSSC) using silver nanoparticles (Ag-NPs) modified fluorine tin oxide (FTO) electrode through successive ion layer adsorption and reaction (SILAR). The resulting photoelectrode was successfully incorporated in th...
Open access
Research Article10.9734/JSRR/2016/24439
Solar Cells The size effects of silver (Ag) nanoparticles (NPs) on the performance of a dye sensitized solar cells (DSSCs) through successive ion layer adsorption and reaction (SILAR) was investigated. A series of AgNPs with different SILAR cycles were synthesized on fluorine tin...
Open access
Research Article10.9734/ACSJ/2016/24525
We reported an improved performance of a dye sensitized solar cells (DSSCs), sensitized with mango (Mangifera indica) leaves extract. Nano-crystalline titanium (TiO2) film electrodes were sensitized with aqueous extract of Mangifera indica and bougainvillea extract. The resulting...
Open access
Research Article10.9734/JSRR/2016/24786