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| Content Provider | PubMed Central |
|---|---|
| Author | Pandya, Sneha G. Kordesch, Martin E. |
| Abstract | Nanoparticles (NPs) of indium antimonide (InSb) were synthesized using a vapor phase synthesis technique known as inert gas condensation (IGC). NPs were directly deposited, at room temperature and under high vacuum, on glass cover slides, TEM grids and (111) p-type silicon wafers. TEM studies showed a bimodal distribution in the size of the NPs with average particle size of 13.70 nm and 33.20 nm. The Raman spectra of InSb NPs exhibited a peak centered at 184.27 cm−1, which corresponds to the longitudinal optical (LO) modes of phonon vibration in InSb. A 1:1 In-to-Sb composition ratio was confirmed by energy dispersive X-ray (EDX). X-ray diffractometer (XRD) and high-resolution transmission electron microscopy (HRTEM) studies revealed polycrystalline behavior of these NPs with lattice spacing around 0.37 and 0.23 nm corresponding to the growth directions of (111) and (220), respectively. The average crystallite size of the NPs obtained using XRD peak broadening results and the Debye-Scherrer formula was 25.62 nm, and the value of strain in NPs was found to be 0.0015. NP’s band gap obtained using spectroscopy and Fourier transform infrared (FTIR) spectroscopy was around 0.43–0.52 eV at 300 K, which is a blue shift of 0.26–0.35 eV. The effects of increased particle density resulting into aggregation of NPs are also discussed in this paper. |
| Related Links | http://dx.doi.org/10.1186/s11671-015-0966-4 |
| Starting Page | 258 |
| File Format | |
| ISSN | 19317573 |
| e-ISSN | 1556276X |
| Journal | Nanoscale Research Letters |
| Volume Number | 10 |
| Language | English |
| Publisher | Springer US |
| Publisher Date | 2015-12-01 |
| Access Restriction | Open |
| Rights Holder | Springer US |
| Subject Keyword | Materials Science(all) Condensed Matter Physics Research in Higher Education |
| Content Type | Text |
| Resource Type | Article |
| Subject | Nanoscience and Nanotechnology Condensed Matter Physics |
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