Search Results - "Tchoffo, F."

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.

“…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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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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Ab initio study of opto electric properties of the molecules pyrimethamine and sulfadoxine by Nouemo, S., Geh, W.E., Tchoffo, F., Ndjaka, J.M.B., Domngang, S.

“…The optical and electrical properties of the molecules pyrimethamine and sulfadoxine in gas phase and in different mediums (water and ethanol) were calculated…”
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Theoretical studies of nanostructures modeled by the binding of uracil derivatives to functionalized (5,5) carbon nanotubes by Tadjouteu Assatse, Y., Ejuh, G.W., Yossa Kamsi, R.A., Tchoffo, F., Ndjaka, J.M.B.

“…[Display omitted] •The binding energies and vibrational analyses show that the modeled nanostructures are stable.•The thermodynamic analyses suggest that the…”
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Computational study of reactivity and solubility of Rubescin D and E molecules in gas phase and in solvent media using Hartree-Fock and DFT methods by Yossa Kamsi, R.A., Ejuh, G.W., Tadjouteu Assatse, Y., Njeumen, C.A., Tchoffo, F., Ndjaka, J.M.B.

“…•The global and local reactivity descriptors were calculated.•Rubescin D and E are more reactive in water than in other used solvent.•The partition coefficient…”
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DFT studies of nanomaterials designed by the functionalization of modified carboxylated carbon nanotubes with biguanide derivatives for nanomedical, nonlinear and electronic applications by Tadjouteu Assatse, Y., Ejuh, G.W., Tchoffo, F., Ndjaka, J.M.B.

“…•Reaction energies reveal the possibility of synthesis of the modeled nanomaterials.•The Gibbs free energies of solvation of these nanomaterials show good…”
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Numerical Investigations and Analysis of Cu 2 ZnSnS 4 Based Solar Cells by SCAPS-1D by Djinkwi Wanda, M., Ouédraogo, S., Tchoffo, F., Zougmoré, F., Ndjaka, J. M. B.

“…This paper reports numerical investigation, using SCAPS-1D program, of the influence of Cu 2 ZnSnS 4 (the so-called CZTS) material features such as thickness,…”
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Numerical Investigations and Analysis of Cu2 ZnSnS4 Based Solar Cells by SCAPS-1D by Djinkwi Wanda, M, Ouedraogo, S, Tchoffo, F, Zougmore, F, Ndjaka, JMB

“…This paper reports numerical investigation, using SCAPS-1D program, of the influence of Cu sub(2) ZnSnS sub(4) (the so-called CZTS) material features such as…”
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Electronic Structure, Spectroscopic (IR, Raman, UV-Vis, NMR), Optoelectronic, and NLO Properties Investigations of Rubescin E (C31H36O7) Molecule in Gas Phase and Chloroform Solution Using Ab Initio and DFT Methods by Mkounga, Pierre, Tchoffo, F., Ejuh, G. W., Yossa Kamsi, Richard Arnaud, Ndjaka, J. M. B.

“…Quantum chemical methods were used to study the electronic structure and some physicochemical properties of Rubescin E molecule. Good agreement with experiment…”
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Global minima of iron clusters described by Gupta potential by Nouemo, S., Tchoffo, F., Ndjaka, J.M.B., Domngang, S.

“…In this paper, we present global minimum energy for iron clusters, ranging from sizes N=2 to 100 atoms, described by the phenomenological Gupta potential. Our…”
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Localized moments in the mixed-valent system (CexLa1-x)Be13 by TCHOFFO, F, LEMIUS, B, DOMNGANG, S

“…The valence instability phenomenon is studied in the mixed-valent system (CexLa1-x)Be13 in the usual temperature range 4.2 to 300 K and for x≤20% using the…”
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Additive manufacturing for RF microwave devices: Design, performances and treatments improvement evaluations by Talom, F. Tchoffo, Turpault, S.

“…The interesting capabilities demonstrated by Additive manufacturing allow industrial companies to envision their use in their products and not only for mock…”
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Antennas link synthesis using near field chamber measurements by Tchoffo Talom, F., Uguen, B., Aubert, L.-M.

“…This paper presents an approach for S 21 antennas link synthesis in time domain. The theoretical basis of the proposed approach is detailed. The presented…”
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Evaluation and Characterization of an UWB Antenna in Time and Frequency Domains by Talom, F. Tchoffo, Uguen, B., Rudant, L., Keignart, J., Pintos, J-f., Chambelin, P.

“…This paper describes different measurements schemes for UWB antenna characterization in frequency domain as well as in time domain. The antenna measurements…”
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Advanced Bayesian filtering techniques for UWB tracking systems in indoor environments by Denis, B., Ouvry, L., Uguen, B., Tchoffo-Talom, F.

“…In this paper, we propose to use Bayesian filtering techniques so as to handle mobility and deal with biased times of arrivals (TOA) in indoor ultra wideband…”
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PPPS-2013: High pulsed power compact antenna for high power microwaves applications by Pottier, S., Hamm, F., Jousse, D., Sirot, P., Talom, F. Tchoffo, Vezinet, R.

“…THALES Communications & Security have developed, under CEA contract, a new concept of compact antenna able to radiate very high pulsed power levels in C-band…”
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Localized Moments in the Mixed-Valent System (Ce x La 1- x )Be 13 by Tchoffo, F., Lemius, B., Domngang, S.

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Localized Moments in the Mixed-Valent System (Ce sub x La sub 1--x )Be sub 13 by Tchoffo, F, Lemius, B, Domngang, S

“…The valence instability phenomenon is studied in the mixed-valent system (Ce sub x La sub 1--x )Be sub 13 in the usual temperature range 4.2-300K and for x < =…”
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Deterministic Impulse Radio channel simulation: Challenges and Applications by Uguen, B., Plouhinec, E., Tchoffo-Talom, F.

“…This paper reports a deterministic channel model for impulse radio (IR) applications. The ultra wide band received signal is built by using ray tracing…”
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A study of UTD diffraction for UWB channel modelling by Plouhinec, E., Tchoffo-Talom, F., Uguen, B.

“…Ultra Wide Band (UWB) is an emergent technology which will be about to provide, in a near future, high data rates in indoor environments and location awareness…”
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