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Jianchang Guo

Emory University

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Featured researches published by Jianchang Guo.

Proceedings of SPIE | 2005

Single molecule study of Rhodamine/ATO nanoparticle junctions

Wanhee Goh; Jianchang Guo; Rui Yuan; Tianquan Lian

Single rhodamine B (RhB) molecule-Sb:SnO2(ATO) nanoparticle junctions were studied using two-photon excitation single molecule fluorescence spectroscopy. For each molecule-nanoparticle junction, fluorescence decay of RhB was found to be single exponential, indicating a static heterogeneous distribution of junction properties. The measured fluorescence lifetime is shorter than RhB on inert substrates but longer than that expected on ATO based on ensemble averaged electron transfer rates. Possible origins for the shorten single molecule lifetimes and distribution are discussed.

Journal of the American Chemical Society | 2007

Ultrafast charge separation at CdS quantum dot/rhodamine B molecule interface.

Abdelaziz Boulesbaa; Abey Issac; Dave Stockwell; Zhuangqun Huang; Jier Huang; Jianchang Guo; Tianquan Lian

Journal of Physical Chemistry A | 2007

Comparison of Interfacial Electron Transfer through Carboxylate and Phosphonate Anchoring Groups

Chunxing She; Jianchang Guo; Stephan Irle; Kejji Morokuma; Debra L. Mohler; Herve Zabri; Fabrice Odobel; Fang Liu; Joseph T. Hupp; Tianquan Lian

Journal of Physical Chemistry B | 2005

Electron injection dynamics of Ru polypyridyl complexes on SnO2 nanocrystalline thin films.

Xin Ai; Neil A. Anderson; Jianchang Guo; Tianquan Lian

Journal of Physical Chemistry B | 2005

pH-Dependent Electron Transfer from Re-bipyridyl Complexes to Metal Oxide Nanocrystalline Thin Films

Chunxing She; Neil A. Anderson; Jianchang Guo; Fang Liu; Wan Hee Goh; Dai Tao Chen; Debra L. Mohler; Zhong-Qun Tian; Joseph T. Hupp; Tianquan Lian

Journal of Physical Chemistry B | 2006

Ultrafast Photoinduced Charge Separation Dynamics in Polythiophene/SnO2 Nanocomposites†

Xin Ai; Neil A. Anderson; Jianchang Guo; Janusz Kowalik; Laren M. Tolbert; Tianquan Lian

Journal of Physical Chemistry C | 2007

Effect of Insulating Oxide Overlayers on Electron Injection Dynamics in Dye-Sensitized Nanocrystalline Thin Films†

Jianchang Guo; Chunxing She; Tianquan Lian

Journal of Physical Chemistry B | 2007

Comparison of electron injection dynamics from re-bipyridyl complexes to TiO2 nanocrystalline thin films in different solvent environments.

Chunxing She; Jianchang Guo; Tianquan Lian

Journal of Physical Chemistry B | 2004

Ultrafast Electron Transfer from Ru Polypyridyl Complexes to Nb2O5 Nanoporous Thin Films

Xin Ai; Jianchang Guo; and Neil A. Anderson; Tianquan Lian

Journal of Physical Chemistry B | 2005

Ultrafast electron transfer between molecule adsorbate and antimony doped tin oxide (ATO) nanoparticles

Jianchang Guo; Chunxing She; Tianquan Lian

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Tianquan Lian

Emory University

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Chunxing She

Northwestern University

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Neil A. Anderson

University of Michigan

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Xin Ai

Emory University

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David Stockwell

Emory University

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Debra L. Mohler

Emory University

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Fang Liu

Northwestern University

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Joseph T. Hupp

Northwestern University

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Wanhee Goh

Emory University

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Abdelaziz Boulesbaa

Oak Ridge National Laboratory

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