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Akademický článek

Ab-initio investigation of the fundamental properties of metals (X = Be, Mg, and Ca) encapsulated CsXO3 tin-based perovskite materials

Autor: Hitler Louis, Chinyere A. Anyama, Udochukwu G. Chukwu, Ayi A. Ayi, Adedapo S. Adeyinka

Publikováno v: Results in Optics, Vol 13, Iss , Pp 100506- (2023)

Perovskite material are widely used in Solar cell device due to it promising properties and power conversion efficiencies (PCE). Most importantly, properties of the absorber layer such as the band gap, electronic, optical, chemical composition and th

Externí odkaz: https://doaj.org/article/a32358f92477416eab3ba8fdd842d513

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Akademický článek

Synthesis, spectral characterization, and theoretical investigation of the photovoltaic properties of (E)-6-(4-(dimethylamino)phenyl)diazenyl)-2-octyl-benzoisoquinoline-1, 3-dione

Autor: Mbang I. Ofem, Hitler Louis, John A. Agwupuye, Umar S. Ameuru, Gloria C. Apebende, Terkumbur E. Gber, Joseph O. Odey, Neksumi Musa, Ayi A. Ayi

Publikováno v: BMC Chemistry, Vol 16, Iss 1, Pp 1-15 (2022)

Abstract This research work focuses on the synthesis, characterization through spectra (FT-IR, UV–vis, and 1H-NMR) investigations, and the use of density functional theory (DFT) along with time-dependent density functional theory (TD-DFT) to invest

Externí odkaz: https://doaj.org/article/984ed9dbb0a343ee9bf788119269ef5c

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Akademický článek

Experimental and Density Functional Theory Studies on a Zinc(II) Coordination Polymer Constructed with 1,3,5-Benzenetricarboxylic Acid and the Derived Nanocomposites from Activated Carbon

Autor: Chinyere A. Anyama, Benedict I. Ita, Ayi A. Ayi, Hitler Louis, Emmanuel E. D. Okon, Joseph O. Ogar, Charles O. Oseghale

Publikováno v: ACS Omega, Vol 6, Iss 43, Pp 28967-28982 (2021)

Externí odkaz: https://doaj.org/article/9c321ac105784bd585dec76d2b0cdea0

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Akademický článek

Intercalation of metal–aluminum layered double hydroxides with anionic surfactants: Experimental and density functional theory studies

Autor: Emem David, Chinyere Ayi Anyama, Ayi A. Ayi, Hitler Louis, Charles O. Oseghale

Publikováno v: AIP Advances, Vol 12, Iss 4, Pp 045217-045217-14 (2022)

Metal–aluminum layered double hydroxides (LDHs) intercalated with bis(2-ethylhexyl)sulfosuccinate (EHS) and dodecyl sulfate (SDS) anions, formulated as EHS-MgAl-LDH 1, SDS-MgAl-LDH 2, EHS-CaAl-LDH 3, and SDS-CaAl-LDH 4, were synthesized using the c

Externí odkaz: https://doaj.org/article/84e2a8a0ccf8469ab944f662a0dbb0d6

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Akademický článek

Use of Nanostructured Layered Double Hydroxides as Nanofilters in the Removal of Fe2+ and Ca2+ Ions from Oil Wells

Autor: Emmanuel K. Ephraim, Chinyere A. Anyama, Ayi A. Ayi, Jude C. Onwuka

Publikováno v: Advances in Materials Science and Engineering, Vol 2018 (2018)

Four new metal-aluminum layered double hydroxides (LDHs), Mg-Al(OH)2PO4 (1), Mg-Al(OH)2PO4PF6 (2), Ca-Al(OH)2SO4 (3), and Ca-Al(OH)2PO4PF6 (4), were prepared by the coprecipitation method followed by mild hydrothermal processing at 60°C. Mg2+ and Ca

Externí odkaz: https://doaj.org/article/c1511161290d466fa8419d715c36a28a

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Akademický článek

Solvent-Mediated Synthesis of M(II)-Coordination Polymer Part 1: Crystal Structure of Poly(1,2-di(4-pyridyl)ethylene-k2N,N')-bis(1,4-benzenediacetato-k4O,O′,O′′,O′′')zinc(II)], C22H18ZnN2O4

Autor: Stephen Adie Adalikwu, Offiong E. Offiong, Ayi A. Ayi

Publikováno v: Molbank, Vol 2017, Iss 3, p M952 (2017)

An interaction of water-methanol solution of sodium1,4-benzenediacetate (bda) and 4,4′-bipyridylethelene (bpee) with aqueous solution of Zn(NO3)2·6H2O at room temperature yielded colourless crystals of 1 after three weeks in a sealed glass tube. T

Externí odkaz: https://doaj.org/article/1c36f90c476e47d5b8d91c09f64f2ea6

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