Tailoring the composition of nanostructured tin sulfide synthesized by a gas-liquid reaction method: Correlation with the relative permittivity of the solvent
Por:
Castelo-González O.A., García-Valenzuela J.A., Cabrera-German D., Cota-Leal M., Sotelo-Lerma M., Hu H.
Publicada:
15 ene 2019
Resumen:
A simple gas-liquid reaction method between H2S vapor and a SnCl(2
)solution is employed for tin sulfide synthesis under standard
conditions. Four different solvents, that present a distinct relative
permittivity, have been used to dissolve the SnCl2 salt: water,
ethylene glycol, polyethylene glycol, and 1,2-dichlorobenzene. From the
EDXS, XPS, and XRD techniques, it is inferred that the products are
composed of a mix of SnS and SnS2, being the composition strongly
dependent on the type of solvent. It is concluded that a higher relative
permittivity of the solvent, usually translated into a higher polarity,
prevents the oxidation of tin(II) to tin(IV), thus diminishing the
formation of the SnS2 fraction in the tin sulfide product. Therefore, by
employing solvents with different relative permittivity values it is
possible to modulate the final composition of the nanostructured tin
sulfide material synthesized by the gas-liquid reaction. This control is
of utter importance for a wide range of applications of this
semiconducting material.
Filiaciones:
Castelo-González O.A.:
Instituto de Energías Renovables, Universidad Nacional Autónoma de México, Priv. Xochicalco S/N, Temixco, Morelos 62580, Mexico
Univ Nacl Autonoma Mexico, Inst Energias Renovables, Priv Xochicalco S-N, Temixco 62580, Morelos, Mexico
García-Valenzuela J.A.:
Departamento de Ciencias Químico Biológicas, Universidad de Sonora, Calle Rosales y Blvd. Luis Encinas Johnson S/N, Hermosillo, Sonora 83000, Mexico
SMARTER-Lab Nucleus for Research & Divulgation A.C., Blvd. Eusebio Francisco Kino No. 848, Hermosillo, Sonora 83150, Mexico
Univ Sonora, Dept Ciencias Quim Biol, Calle Rosales & Blvd Luis Encinas Johnson S-N, Hermosillo 83000, Sonora, Mexico
Nucleus Res & Divulgat AC, SMARTER Lab, Blvd Eusebio Francisco Kino 848, Hermosillo 83150, Sonora, Mexico
Cabrera-German D.:
SMARTER-Lab Nucleus for Research & Divulgation A.C., Blvd. Eusebio Francisco Kino No. 848, Hermosillo, Sonora 83150, Mexico
Departamento de Investigación en Polímeros y Materiales, Universidad de Sonora, Calle Rosales y Blvd. Luis Encinas Johnson S/N, Hermosillo, Sonora 83000, Mexico
Nucleus Res & Divulgat AC, SMARTER Lab, Blvd Eusebio Francisco Kino 848, Hermosillo 83150, Sonora, Mexico
Univ Sonora, Dept Invest Polimeros & Mat, Calle Rosales & Blvd Luis Encinas Johnson S-N, Hermosillo 83000, Sonora, Mexico
Cota-Leal M.:
SMARTER-Lab Nucleus for Research & Divulgation A.C., Blvd. Eusebio Francisco Kino No. 848, Hermosillo, Sonora 83150, Mexico
Departamento de Investigación en Polímeros y Materiales, Universidad de Sonora, Calle Rosales y Blvd. Luis Encinas Johnson S/N, Hermosillo, Sonora 83000, Mexico
Nucleus Res & Divulgat AC, SMARTER Lab, Blvd Eusebio Francisco Kino 848, Hermosillo 83150, Sonora, Mexico
Univ Sonora, Dept Invest Polimeros & Mat, Calle Rosales & Blvd Luis Encinas Johnson S-N, Hermosillo 83000, Sonora, Mexico
Sotelo-Lerma M.:
Departamento de Investigación en Polímeros y Materiales, Universidad de Sonora, Calle Rosales y Blvd. Luis Encinas Johnson S/N, Hermosillo, Sonora 83000, Mexico
Univ Sonora, Dept Invest Polimeros & Mat, Calle Rosales & Blvd Luis Encinas Johnson S-N, Hermosillo 83000, Sonora, Mexico
Hu H.:
Instituto de Energías Renovables, Universidad Nacional Autónoma de México, Priv. Xochicalco S/N, Temixco, Morelos 62580, Mexico
Univ Nacl Autonoma Mexico, Inst Energias Renovables, Priv Xochicalco S-N, Temixco 62580, Morelos, Mexico
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