Size controlled synthesis of silver sulfide nanostructures by multi-solvent thermal decomposition method

Mohamed Mathar Sahib Ibrahim Khaleelullah, Thangaraju Dheivasigamani, Prakash Natarajan, Yuriko Masuda, Wataru Inami, Yoshimasa Kawata, Yasuhiro Hayakawa

Research output: Contribution to journalArticlepeer-review

9 Scopus citations

Abstract

Size and morphology controlled silver sulfide (Ag2S) nanoparticles were synthesized using single (oleylamine) and mixed (octadecene and dodecanethiol) solvents by thermal decomposition method. Structural and morphological properties of Ag2S nanostructures were analyzed by X-ray diffraction method and transmission electron microscope. Comparatively higher crystalline Ag2S nanoparticles were synthesized in single solvent than mixed solvent, however, larger size of the particles (>10 nm) synthesized in single solvent became fluorescence inactive. The controlled size of 3–5 nm in diameter was achieved irrespective of increasing temperature till 225 °C by mixed solvent synthesis and the photoluminescence showed the emission in the second near infrared region (NIR II).

Original languageEnglish
Pages (from-to)119-124
Number of pages6
JournalJournal of Crystal Growth
Volume468
DOIs
StatePublished - 15 Jun 2017
Externally publishedYes

Keywords

  • Low dimensional structures
  • Nanomaterials
  • Semiconducting materials
  • Sulfides

ASJC Scopus subject areas

  • Condensed Matter Physics
  • Inorganic Chemistry
  • Materials Chemistry

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