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AgSn[Bi1−xSbx]Se3: synthesis, structural characterization, and electrical behavior
Valencia-Gálvez, P.; Delgado, Daniela; López, María Luisa; Álvarez-Serrano, Inmaculada; Moris-López, Silvana; Galdámez, Antonio (2021)Herein, we report the synthesis, characterization, and electrical properties of lead-free AgSnm[Bi1−xSbx]Se2+m (m = 1, 2) selenides. Powder X-ray diffraction patterns and Rietveld refinement data revealed that these selenides ...
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Crystal structure of (Cu0.51In0.49)tet[Cr1.74In0.26]oct Se4 selenospinel, Cu0.51In0.75Cr1.74Se4
Moris-López, Silvana; Barahona-Huenchumil, Patricia; Galdámez, Antonio (2019)Cu0.51In0.75Cr1.74Se4, cubic, Fd3̄m (no. 227), a = 10.6506(13) Å, V = 1208.2 Å3, Z = 8, Rgt(F) = 0.0371, wRref(F2) = 0.0912, T = 293(2) K. CCDC no.: 1861215
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Crystal structure, Raman scattering and magnetic properties of CuCr2 xZrxSe4 and CuCr2 xSnxSe4 selenospinels
Barahona-Huenchumil, Patricia; Pinto, C.; Galdámez, Antonio; Peña, Octavio; Moris-López, Silvana (2018)Selenospinels, CuCr2 xMxSe4 (M = Zr and Sn), were synthesized via conventional solid-state reactions. The crystal structure of CuCr1.5Sn0.5Se4, CuCr1.7Sn0.3Se4, CuCr1.5Zr0.5Se4, and CuCr1.8Zr0.2Se4 were determined using ...
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(Cu)tet(Cr2–xSnx)octS4–ySey Spinels: Crystal structure, density functional theory calculations, and magnetic behavior
Moris-López, Silvana; Valencia-Gálvez, P.; Mejía-López, José; Peña, Octavio; Barahona-Huenchumil, Patricia; Galdámez, Antonio (2019)A new series of (Cu)tet[Cr2–xSnx]octS4–ySey compounds was prepared by solid-state reaction at high temperature. Determination of the crystal structures by single-crystal X-ray diffraction revealed that CuCr1.0Sn1.0S2.1Se1.9, ...
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Cu2Zn(Sn1−xSix)Se4: Structural characterization, vibrational and physical properties of cztse-derivatives
Valencia-Gálvez, P.; Barahona-Huenchumil, Patricia; Galdámez, Antonio; Moris-López, Silvana (2023)Herein, we report the structural characterization and vibrational and physical properties of Cu2ZnSn1−xSixSe4 solid solutions synthesized using the ceramic method. X-ray diffraction analysis and Rietveld analysis of the ...
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Electrical and optical properties of p-type Ag0.3Cu0.7InQ2 chalcopyrite semiconductors
Moris-López, Silvana; Manríquez, Victor; Barahona-Huenchumil, Patricia; Galdámez, Antonio; Valencia-Gálvez, P. (2018)We report the synthesis, characterization and electrical properties of Ag0.3Cu0.7InS2, Ag0.3Cu0.7InSe2 and Ag0.3Cu0.7InTe2. These solid solutions were synthesized via microwave-assisted solid-state reactions. Powder X-ray ...
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Electrocatalytic oxidation of NADH in a new nanostructured interface with an entrapped butylpyrene nitroaromatic derivative
Moscoso, Raul; Barrientos, Claudio; Moris-López, Silvana; Squella, J. Arturo (2019)In a previous study, we revealed a new way to modify multi-walled carbon nanotubes (MWCNTs) with 3,5-dinitrobenzoic acid (35DNB). Furthermore, we proved that a 35DNB-MWCNTGC electrode efficiently catalysed the oxidation ...
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Nanodecoration of single crystals of 5,11,17,23-tetra-tert-butyl-25,27- bis(cyanomethoxy)-26,28-dihydroxycalix[4]arene
Moris-López, Silvana; Silva, N.; Saitz, C.; Jara, P.; Chornik, B. (2017)Single crystals of 1,3-bis(cyanomethoxy)calix[4]arene (1) were grown from Chloroform/Methanol mixture and these were nanodecorated with colloidal gold nanoparticles (AuNps). The single crystals were then characterized by ...
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Raman characterization of CuCr2-xSnx S4 spinels
Valencia-Gálvez, P.; Peña, Octavio; Moris-López, Silvana; Barahona-Huenchumil, Patricia (2019)Polycrystalline thiospinels CuCr2-xSnxS4 (x = 0.4, 0.8, 1.0 and 1.4) were synthesized via conventional solid-state reaction. The samples were characterized by powder X-ray diffraction (XRD), energy-dispersive X-ray analysis ...
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Raman characterization of CuIrSnX4 normal-spinel systems
Barahona-Huenchumil, Patricia; Galdámez, Antonio; Valencia-Gálvez, P.; Moris-López, Silvana (2020)CuIrSnS4, CuIrSnSe4 and CuIrSnS2Se2 were synthetized by a solid-state reaction at 700 °C. Powder X-ray diffraction patterns were consistent with normal spinel-type structure. Scanning electron microscopy (SEM-EDS) images ...
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Structural characterization and thermoelectric properties of Br-Doped AgSnm[Sb0.8Bi0.2]Te2+m Systems
Delgado, Daniela; Moris-López, Silvana; Valencia-Gálvez, P.; López, María Luisa; Álvarez-Serrano, Inmaculada; Blake, Graeme R.; Galdámez, Antonio (2023)Herein, we report the synthesis, structural and microstructural characterization, and thermoelectric properties of AgSnm[Sb0.8Bi0.2]Te2+m and Br-doped telluride systems. These compounds were prepared by solid-state reaction ...
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Synthesis of calix[4]arenes bearing thiosemicarbazone moieties with naphthalene groups. Highly selective turn off/on fluorescent sensor for Cu(II) recognition
Moris-López, Silvana; Quiroga-Campano, Cinthia; Gómez-Machuca, Horacio; Pessoa-Mahana, Hernan; Jullian, Carolina; Saitz, C. (2021)Calix[4]arenes-based fluorescent chemosensors containing thiosemicarbazone as a binding site and naphthalene as a fluorogenic unit in a 1,3-alternate (L1) and cone (L2) conformation, were synthesized and examined for their ...
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Synthesis of novel Neonicotinoids derivatives
Moris-López, Silvana; Barrientos, Claudio; González-Gutiérrez, Juan Pablo (2023)Neonicotinoid compounds have been used as insecticides since the 1990s to effectively control Hemipteran pests such as aphids, leafhoppers, whiteflies, and additionally, for their lethal activity and low toxicity in humans. ...
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Synthesis, x-ray diffraction, and raman spectroscopy of AgSnBiSe3 and AgSnBiSe2S systems
Moris-López, Silvana; Barahona-Huenchumil, Patricia; Valencia-Gálvez, P.; Galdámez, Antonio (2019)AgSnBiSe3 and AgSnBiSe2S were prepared by solid state reactions at 950 °C. The phases were characterized by powder X-ray diffraction (XRD), scanning electron microscopy (SEM), and Raman spectroscopy. The samples were ...
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Synthesis, x-ray difraction, and raman spectroscopy of AgSnBiSe3 AND AgSnBiSe2S systems
Moris-López, Silvana; Barahona-Huenchumil, Patricia; Valencia-Gálvez, P.; Galdámez, Antonio (2019) -
The crystal structure of 1-carboxy-2-(1H-indol-3- yl)-N,N,N-trimethylethan-1-ammonium chloride, C14H19N2O2Cl
García-Beltrán, Olimpo; Areche, Carlos; Galdámez, Antonio; Moris-López, Silvana (2020)C14H19N2O2Cl, tetragonal, P41 (no. 76), a = 6.8614(8) Å, c = 29.820(5) Å, V = 1403.9(4) Å3, Z = 4, Rgt(F) = 0.0311, wRref(F2) = 0.0549, T = 150(2) K. CCDC no.: 1484374
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The crystal structure of 4-(pyren-1-yl)butyl-3-nitrobenzoate, C27H21NO4
Barrientos, Claudio; Barahona-Huenchumil, Patricia; Guevara-González, Juan L.; Squella, J. Arturo; Moris-López, Silvana (2019) -
The crystal structure of 5-nitronaphthoquinone, C10H5NO4
Barrientos, Claudio; Galdámez, Antonio; Moris-López, Silvana (2023)C10H5NO4, triclinic, P1 (no. 2), a = 9.2564(8) Å, b = 11.0464(9) Å,c = 14.8016(12) Å, α = 110.132(2)∘, β = 106.157(3)∘,γ 4.770(3) ∘, V = 1337.7(2) Å3, Z = 6, Rgt(F) = 0.0567,wRref (F2) = 0.1797, T = 296.15 K CCDC no.: 2262885
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Vibrational and optical properties of CZTS derivatives for photovoltaic applications: synthesis of Cu2ZnSn1-xGexS2Se2 compounds
Pinto, C.; López-Vergara, Fernanda; Galdámez, Antonio; Barahona-Huenchumil, Patricia; Moris-López, Silvana (2018)Herein, we report the vibrational and optical properties of new Cu2ZnSn1-xGexS2Se2 solid solutions prepared by isomorphic substitution of a fraction of Se by S in Cu2ZnSn1-xGexSe4 (CZTGeSe) through ceramic method. The Raman ...