Search Results - "Ndjaka, J. M."

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  1. 1

    Numerical Design of Ultrathin Hydrogenated Amorphous Silicon-Based Solar Cell by Abega, F. X. Abomo, Ngoupo, A. Teyou, Ndjaka, J. M. B.

    Published in International journal of photoenergy (14-08-2021)
    “…Numerical modelling is used to confirm experimental and theoretical work. The aim of this work is to present how to simulate ultrathin hydrogenated amorphous…”
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  2. 2

    Thermally tunable optical constants of vanadium dioxide thin films measured by spectroscopic ellipsometry by Kana Kana, J.B., Ndjaka, J.M., Vignaud, G., Gibaud, A., Maaza, M.

    Published in Optics communications (01-02-2011)
    “…Smart materials with reversible tunable optical constants from visible to near-infrared wavelengths could enable excellent control over the resonant response…”
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    Computational study of physicochemical, optical, and thermodynamic properties of 2,2-dimethylchromene derivatives by Eone, J. R., Assatse, Y. Tadjouteu, Kamsi, R. A. Yossa, Abe, M. T. Ottou, Ndjaka, J. M. B.

    Published in Journal of molecular modeling (01-04-2023)
    “…Context A large number of heterocyclic compounds are used as drugs, mainly due to the duality of lipophilicity playing in hydrophobic interactions and…”
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  5. 5

    Numerical analysis of ultrathin Cu(In,Ga)Se2 solar cells with Zn(O,S) buffer layer by MBOPDA TCHEUM, G L, TEYOU NGOUPO, A, OUÉDRAOGO, S, GUIRDJEBAYE, N, NDJAKA, J M B

    Published in Pramāṇa (2020)
    “…We performed an investigation on the behaviour of the electrical parameters of ultrathin Cu(In,Ga)Se 2 (CIGS) solar cells buffered with Zn(O,S). Using…”
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  6. 6

    Determination of the structural, electronic, optoelectronic and thermodynamic properties of the methylxanthine molecules theophylline and theobromine by Ejuh, G. W., Ndjaka, J. M. B., Tchangnwa Nya, F., Ndukum, P. L., Fonkem, C., Tadjouteu Assatse, Y., Yossa Kamsi, R. A.

    Published in Optical and quantum electronics (2020)
    “…RHF and DFT (wB97XD and B3LYP) methods with the 6-31++G** basis set have been used to study structural, optoelectronic and thermodynamic properties of…”
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  7. 7

    A comparative study of ibuprofen and ketoprofen glass-forming liquids by molecular dynamics simulations by Ottou Abe, M T, Correia, N T, Ndjaka, J M B, Affouard, F

    Published in The Journal of chemical physics (28-10-2015)
    “…In this paper, structural and dynamical properties of ibuprofen and ketoprofen glass-forming liquids have been investigated by means of molecular dynamics…”
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  8. 8

    Numerical Investigations and Analysis of Cu2ZnSnS4 Based Solar Cells by SCAPS-1D by Zougmoré, F., Tchoffo, F., Ouédraogo, S., Djinkwi Wanda, M., Ndjaka, J. M. B.

    Published in International journal of photoenergy (01-01-2016)
    “…This paper reports numerical investigation, using SCAPS-1D program, of the influence of Cu2ZnSnS4 (the so-called CZTS) material features such as thickness,…”
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  9. 9

    Numerical Analysis of Copper-Indium-Gallium-Diselenide-Based Solar Cells by SCAPS-1D by Ouédraogo, S., Zougmoré, F., Ndjaka, J. M.

    Published in International journal of photoenergy (01-01-2013)
    “…We used a one-dimensional simulation program Solar Cell Capacitance Simulator in 1 Dimension (SCAPS-1D) to investigate Copper-Indium-Gallium-Diselenide-…”
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  10. 10

    Thermochromic VO2 thin films synthesized by rf-inverted cylindrical magnetron sputtering by KANA KANA, J. B, NDJAKA, J. M, OWONO ATEBA, P, NGOM, B. D, MANYALA, N, NEMRAOUI, O, BEYE, A. C, MAAZA, M

    Published in Applied surface science (30-04-2008)
    “…The novel physical vapor deposition called inverted cylindrical magnetron sputtering (also known as hollow cathode sputtering) is commonly used to coat wires,…”
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  11. 11

    Predictive calculation of structural, nonlinear optical, electronic and thermodynamic properties of andirobin molecule from ab initio and DFT methods by Abe, M. T. Ottou, Nzia, C. L., Sidjui, L. Sidjui, Kamsi, R. A. Yossa, Mveme, C. D. D., Assatse, Y. Tadjouteu, Ndjaka, J. M. B., Ejuh, G. W.

    Published in SN applied sciences (01-09-2021)
    “…The structural, nonlinear optical, electronic and thermodynamic properties of andirobin molecule were carried out by density functional theory at the B3LYP,…”
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  12. 12

    Computational Studies on the Molecule 1-(2-Hydroxyethyl)-5-Fluorouracil in Gas Phase and Aqueous Solution and Prediction of Its Confinement inside Capped Nanotubes by Ndjaka, J. M. B., Tchoffo, F., Ejuh, G. W., Tadjouteu Assatse, Y.

    “…Density functional theory (DFT) calculations were performed on a fluorouracil derivative at the B3LYP/6−31+G(d) level. Furthermore, the ONIOM method was…”
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  13. 13

    New Architecture towards Ultrathin CdTe Solar Cells for High Conversion Efficiency by Ndjaka, J. M. B., Zougmoré, F., Ouédraogo, S., Teyou Ngoupo, A.

    Published in International journal of photoenergy (01-01-2015)
    “…Solar Cell Capacitance Simulator in 1 Dimension (SCAPS-1D) is used to investigate the possibility of realizing ultrathin CdTe based solar cells with high and…”
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  14. 14

    Computational determination of the electronic structure, optoelectronics, thermodynamics and nonlinear optical properties of undoped and doped pentacene and tetracene by Tsague, L. Fomekong, Ejuh, G. W., Ndjaka, J. M. B.

    Published in Optical and quantum electronics (01-09-2022)
    “…The electronic structure, dipole moment ( µ ), average polarizability (<  α  >), anisotropie (Δ α ), first molecular hyperpolarizability ( β mol ), molar…”
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  15. 15

    Study of the Optoelectronic, Nonlinear Properties and Spectroscopic analysis of the molecule fulminene using ab initio and DFT methods by Tsague, L. Fomekong, Ejuh, Geh Wilson, Ndjaka, J. M. B.

    Published in Optical and quantum electronics (01-10-2022)
    “…Fulminene is a crystalline polycyclic aromatic hydrocarbon (PAH) and is one of the most promising materials for organic optoelectronics. The molecular…”
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  16. 16

    Numerical investigations of stresses and strains redistribution around the tunnel: Influence of transverse isotropic behavior of granitic rock, in situ stress and shape of tunnel by Ngueyep Mambou, L. L., Ndop, J., Ndjaka, J.-M. B.

    Published in Journal of mining science (01-05-2015)
    “…In this work, we numerically investigate the redistribution and magnitude of stresses and strains around the opened excavations in transverse isotropic rock of…”
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  17. 17

    Effect of metalation on some graphene nanoribbons for potential application as donor in organic photovoltaic cells by Mainimo, E., Ejuh, G. W., Ndjaka, J. M. B.

    “…The present work is a systematic and theoretical study performed on three organometallic p-conjugated molecules based on graphene nanoribbons (GNRs) to act as…”
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  18. 18

    Numerical analysis of interface properties effects in CdTe/CdS:O thin film solar cell by SCAPS-1D by Teyou Ngoupo, A., Ouédraogo, S., Ndjaka, J. M.

    Published in Indian journal of physics (01-07-2019)
    “…This paper investigates the influence of the absorber/window junction properties, on performances of CdTe/CdS:O solar cell, using SCAPS-1D package. Considering…”
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  19. 19

    DFT study of the enhancement of physico-chemical, nonlinear and optoelectronic properties of the 2-cyano-3-[4(diphenylamino) phenyl] acrylic acid molecule by doping with the potassium atom by Fonkem, C C, Ndjaka, J M B, Ejuh, G W

    Published in Bulletin of materials science (01-12-2020)
    “…In this study, the molecule 2-cyano-3-[4(diphenylamino)phenyl] acrylic acid (L0) was doped with a potassium atom at two different positions to obtain LK(1) and…”
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  20. 20

    Influence of lithium doping on optoelectronic, electronic, reactivity descriptors, thermodynamic and nonlinear optical properties of dibenzo[b,def]chrysene: insight by a DFT study by Ribouem A Bessong, C. D., Ottou Abe, M. T., Zounedou Ntieche, Noudem, P., Olinga Mbala, G. F., Ndjaka, J. M. B.

    Published in Optical and quantum electronics (01-11-2023)
    “…In this article, we predict the optimized structures, the frequency analysis, and determinate quantum chemical descriptors, optoelectronic and electronic…”
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