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Photoinduced Electron Transfer from Phenanthrimidazole to Magnetic Nanoparticles

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Abstract

The dynamics of photoinduced electron injection from (E)-1-(4-methoxyphenyl)-2-styryl-1H-phenanthro [9,10-d]imidazole (MPSPI) synthesised using nano TiO2 as catalyst to Fe2O3 nanocrystal has been studied by FT-IR, absorption, fluorescence and lifetime spectroscopic methods. The binding between nanoparticle and MPSPI is confirmed by binding constant and binding site. The distance between MPSPI and nanoparticle as well as the critical energy transfer distance has been obtained. The free energy change (ΔGet) for electron injection has also been deduced.

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Acknowledgments

One of the authors Prof. J. Jayabharathi is thankful to DST (No. SR/S1/IC-73/2010), DRDO (NRB-213/MAT/10-11), UGC (F. No. 36-21/2008 (SR)) and CSIR (NO 3732/NS-EMRII) for providing funds to this research study.

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  1. Department of Chemistry, Annamalai University, Annamalainagar, Chidambaram, 608002, Tamilnadu, India

    J. Jayabharathi, A. Arunpandiyan, V. Thanikachalam & P. Ramanathan

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  1. J. Jayabharathi
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  2. A. Arunpandiyan
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  3. V. Thanikachalam
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Correspondence to J. Jayabharathi.

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Jayabharathi, J., Arunpandiyan, A., Thanikachalam, V. et al. Photoinduced Electron Transfer from Phenanthrimidazole to Magnetic Nanoparticles. J Fluoresc 25, 137–145 (2015). https://doi.org/10.1007/s10895-014-1490-0

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