Ligand mediated synthesis of AgInSe2 nanoparticles with tetragonal/orthorhombic crystal phases

Nanosized AgInSe 2 particles (d ~ 7–25 nm) were synthesized using colloidal chemistry method at 270 °C. As solvents/surface ligands 1-octadecene, trioctylphosphine, and oleylamine were used. It was shown that choice of ligand has crucial impact not only on final crystal phase of nanoparticles, but a...

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Bibliographic Details
Published in:Journal of nanoparticle research : an interdisciplinary forum for nanoscale science and technology 2012-03, Vol.14 (4), Article 810
Main Authors: Abazović, Nadica D., Čomor, Mirjana I., Mitrić, Miodrag N., Piscopiello, Emanuela, Radetić, Tamara, Janković, Ivana A., Nedeljković, Jovan M.
Format: Article
Language:English
Subjects:
Characterization and Evaluation of Materials
Chemistry and Materials Science
Inorganic Chemistry
Lasers
Materials Science
Nanotechnology
Optical Devices
Optics
Photonics
Physical Chemistry
Research Paper
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Summary:Nanosized AgInSe 2 particles (d ~ 7–25 nm) were synthesized using colloidal chemistry method at 270 °C. As solvents/surface ligands 1-octadecene, trioctylphosphine, and oleylamine were used. It was shown that choice of ligand has crucial impact not only on final crystal phase of nanoparticles, but also at mechanism of crystal growth. X-ray diffraction and TEM/HRTEM techniques were used to identify obtained crystal phases and to measure average size and shape of nanoparticles. UV/Vis data were used to estimate band-gap energies of obtained samples. It was shown that presented routes can provide synthesis of nanoparticles with desired crystal phase (tetragonal and/or orthorhombic), with band-gap energies in the range from 1.25 to 1.53 eV.
ISSN:1388-0764
1572-896X
DOI:10.1007/s11051-012-0810-z