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Ultrasonic Method for the Preparation of Organic Porphyrin Nanoparticles†
Department of Chemistry, Iran University of Science and Technology, Narmak, Tehran, Iran
† Paper presented in part at ECSOC-12, 1-30 November 2008.
* Author to whom correspondence should be addressed.
Received: 1 December 2009; in revised form: 22 December 2009 / Accepted: 23 December 2009 / Published: 12 January 2009
Abstract: We report the synthesis and optical properties of organic porphyrin nanoparticles with narrow size distribution and good dispersibility. Nanoparticles were produced by a combination of precipitation and sonication, termed the “ultrasonic method”. The resulting [tetrakis(para-chlorophenyl)porphyrin]TClPP nanoparticles were stable in solution without precipitation for at least 30 days. No self aggregation of the constituent porphyrin chromophores was observed. The TClPP nanoparticles exhibited interesting optical properties, particulalrly a large bathochromic shift in the absorption spectra.
Keywords: porphyrin nanoparticles; optical properties; fluorescence
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Kashani-Motlagh, M.M.; Rahimi, R.; Kachousangi, M.J. Ultrasonic Method for the Preparation of Organic Porphyrin Nanoparticles. Molecules 2010, 15, 280-287.
Kashani-Motlagh MM, Rahimi R, Kachousangi MJ. Ultrasonic Method for the Preparation of Organic Porphyrin Nanoparticles. Molecules. 2010; 15(1):280-287.
Kashani-Motlagh, Mohamad Mehdi; Rahimi, Rahmatollah; Kachousangi, Marziye Javaheri. 2010. "Ultrasonic Method for the Preparation of Organic Porphyrin Nanoparticles." Molecules 15, no. 1: 280-287.