Growth of single-crystalline cubic structured tin(II) sulfide (SnS) nanowires by chemical vapor deposition

Devika Mudusu, Koteeswara Reddy Nandanapalli, Sreekantha Reddy Dugasani, Jang Won Kang, Sung Ha Park, Charles W. Tu

Research output: Contribution to journalArticlepeer-review

28 Scopus citations

Abstract

Single crystalline tin(ii) sulfide (SnS) nanowires are synthesized using a chemical vapor deposition (CVD) method with the support of gold as catalyst. Field emission electron microscopy studies show that SnS nanostructures grown at temperatures between 600 and 700 °C have wire-like morphology. These nanowires have an average diameter between 12 and 15 nm with lengths up to several microns. These NWs consist of uniform and smooth surfaces, and exhibit nearly stoichiometric chemical composition (Sn/S = 1.13). Transmission electron microscopy analysis reveals that the NWs consist of single crystalline cubic crystal structure with a preferential growth direction of 〈100〉. Field-effect transistor devices fabricated with SnS nanowires show that the nanowires consist of p-type conductivity along with carrier density of 6 × 1018 cm-3.

Original languageEnglish
Pages (from-to)41452-41459
Number of pages8
JournalRSC Advances
Volume7
Issue number66
DOIs
StatePublished - 2017

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