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Vol. 26 No. 6 (2014): Vol 26 Issue 6

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Investigation of Heavy Atom Effect on the Low Power Upconversion

https://doi.org/10.14233/ajchem.2014.17335
Bao Wang
Jiangsu Key Laboratory for Environment Function Materials, College of Chemistry, Biology and Material Engineering, Suzhou University of Science and Technology, Suzhou 215009, P.R. China
Changqing Ye
Jiangsu Key Laboratory for Environment Function Materials, College of Chemistry, Biology and Material Engineering, Suzhou University of Science and Technology, Suzhou 215009, P.R. China
Zuoqin Liang
Jiangsu Key Laboratory for Environment Function Materials, College of Chemistry, Biology and Material Engineering, Suzhou University of Science and Technology, Suzhou 215009, P.R. China
Yuyang Zhou
Jiangsu Key Laboratory for Environment Function Materials, College of Chemistry, Biology and Material Engineering, Suzhou University of Science and Technology, Suzhou 215009, P.R. China
Ping Ding
Jiangsu Key Laboratory for Environment Function Materials, College of Chemistry, Biology and Material Engineering, Suzhou University of Science and Technology, Suzhou 215009, P.R. China
Xiaomei Wang
Jiangsu Key Laboratory for Environment Function Materials, College of Chemistry, Biology and Material Engineering, Suzhou University of Science and Technology, Suzhou 215009, P.R. China

Corresponding Author(s) : Changqing Ye

yechangqing@mail.usts.edu.cn

Asian Journal of Chemistry, Vol. 26 No. 6 (2014): Vol 26 Issue 6

Abstract

Selective low energy excitation of palladium(II)tetraphenylporphyrin (PdTPP) and palladium(II)tetrabromophenylporphyrin (PdBrTPP) in the presence of 2-chloro-9,10-di p-tolylanthracene (DTACl), respectively, can yield easily visualized upconversion fluorescence. The external and internal heavy atom effects were firstly found to significantly increase upconversion efficiency (Fuc) of emitter (DTACl) doped with PdTPP or PdBrTPP as much as 10 % under excitation of low power density at 60 mW/cm2.

Keywords

Low-power upconversion Triplet-triplet annihilation Two-photon process Photoelectrochemistry
Wang, B., Ye, C., Liang, Z., Zhou, Y., Ding, P., & Wang, X. (2014). Investigation of Heavy Atom Effect on the Low Power Upconversion. Asian Journal of Chemistry, 26(6), 1721–1725. https://doi.org/10.14233/ajchem.2014.17335
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