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http://dx.doi.org/10.5012/bkcs.2008.29.9.1729

The Synthesis of a High Yield PbSe Quantum Dots by Hot Solution Method  

Baek, In-Chan (KRICT-EPEL Global Research Laboratory, Advanced Material Devision, Korea Research Institute of Chemical Technology)
Seok, Sang-Il (KRICT-EPEL Global Research Laboratory, Advanced Material Devision, Korea Research Institute of Chemical Technology)
Chung, Yong-Chae (Department of Materials and Science Engineering, Hanyang University)
Publication Information
Bulletin of the Korean Chemical Society / v.29, no.9, 2008 , pp. 1729-1731 More about this Journal
Abstract
Colloidal solutions of crystalline PbSe nanoparticles have been synthesized by hot solution chemical process using PbO in oleic acid and tributylphosphine (TBP) bonded selenium. The use of TBP as a capping agent along with oleic acid gives a very good yield (around 10% at 180 ${^{\circ}C}$) with an average diameter of particle of about < 6.6 nm. The effects of temperature on size and production yield of PbSe quantum dots are studied. Xray diffraction (XRD), high-resolution transmission electron microscopy (HRTEM) and UV/VIS/NIR absorption spectroscopy were used to characterize the samples.
Keywords
PbSe; Quantum dots; Hot solution method
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