Synthesis of nano-sized PbSe from octeno-1,2,3-selenadiazole
- Nanoscience Group, Centre for Materials for Electronics Technology (C-MET), Panchwati, Off Pashan Road, Pune 411008 (India)
- National Chemical Laboratory, Pashan Road, Pune 411008 (India)
Reaction between trioctylphosphine selenide (TOPSe), generated from an organo-selenium compound, i.e. octeno-1,2,3-selenadiazole in tri-octylphosphine (TOP), and lead acetate has resulted formation of PbSe nano-crystals (cubes). TOPSe generated from the current method is first of its kind approach and is a novel concept. Characteristic absorption bands between 1.8-2.1 {mu}m in near infra-red spectrum (NIR) are observed from sonicated PbSe crystals. X-ray diffraction (XRD) pattern revealed rock-salt crystal structure of PbSe with crystallite size of less than 10 nm. Observations made by scanning electron microscopy (SEM) revealed well-defined particles of the cubical crystals. XPS analysis showed that nano-crystals of PbSe were prone to air-oxidation due to 'not-so-efficient' capping.
- OSTI ID:
- 21000680
- Journal Information:
- Materials Research Bulletin, Vol. 42, Issue 8; Other Information: DOI: 10.1016/j.materresbull.2006.11.007; PII: S0025-5408(06)00439-9; Copyright (c) 2006 Elsevier Science B.V., Amsterdam, The Netherlands, All rights reserved; Country of input: International Atomic Energy Agency (IAEA); ISSN 0025-5408
- Country of Publication:
- United States
- Language:
- English
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