Room Temperature Synthesis of Aminocaproic Acid-Capped Lead Sulphide Nanoparticles
Jayesh D. Patel, Frej Mighri, Abdellah Ajji, Saïd Elkoun
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DOI: 10.4236/msa.2012.32020   PDF   HTML   XML   6,266 Downloads   10,622 Views   Citations

Abstract

Aminocaproic acid (ACA) mixed methanolic lead acetate-thiourea (PbAc-TU) complex as precursor for fabrication of lead sulphide (PbS) nanoparticles (NPs) has been explained. The size, structure and morphology of as-prepared ACA-capped PbS NPs were systematically characterized by scanning electron microscopy (SEM), Transmission electron mi-croscopy (TEM), X-ray diffraction (XRD), Uv-vis spectroscopy and Brunauer-Emmett-Teller (BET) techniques. The obtained results show that the synthesized PbS NPs are nanocrystalline, size quantized and their agglomeration shows a mesoporous network of 8.7 nm in pore size. The binding nature of ACA molecules on PbS surface was studied by thermo gravimetric analysis (TGA), Fourier transform infrared (FTIR) and X-ray photoelectron (XPS) techniques. Results indicate that ACA acts as a soft template that restricts the growth of PbS NPs through its binding to Pb surface via nitrogen lone pair.

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J. Patel, F. Mighri, A. Ajji and S. Elkoun, "Room Temperature Synthesis of Aminocaproic Acid-Capped Lead Sulphide Nanoparticles," Materials Sciences and Applications, Vol. 3 No. 2, 2012, pp. 125-130. doi: 10.4236/msa.2012.32020.

Conflicts of Interest

The authors declare no conflicts of interest.

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