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Ruthenium(II) Trisbipyridine Functionalized Gold Nanorods. Morphological Changes and Excited-State Interactions†
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Abstract
Gold nanorods synthesized using cetyltrimethylammonium bromide and tetraoctylammonium bromide as stabilizers are functionalized with a thiol derivative of ruthenium(II) trisbipyridyl complex [(Ru(bpy)32+-C5-SH] in dodecanethiol using a place-exchange reaction. The changes in the plasmon absorption bands and transmission electron micrographs indicate significant changes in the gold rod morphology during the place-exchange reaction. The (Ru(bpy)32+-C5-SH in its excited state undergoes quick deactivation when bound to gold nanorods. More than 60% of the emission was quenched when [(Ru(bpy)32+-C5-SH] was bound to gold nanorods. Emission decay analysis indicates that the energy transfer rate constant is greater than 1010 s-1.
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This article has been cited by 5 ACS Journal articles (5 most recent appear below).
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Photophysics and Triplet−Triplet Annihilation Analysis for Axially Substituted Gallium Phthalocyanine Doped in Solid Matrix
Jun Chen, Shayu Li, Fangbin Gong, Zhipei Yang, Shuangqing Wang, Huijun Xu, Yi Li, Jin Shi Ma and Guoqiang YangThe Journal of Physical Chemistry C2009 113 (27), 11943-11951Photophysics and Triplet−Triplet Annihilation Analysis for Axially Substituted Gallium Phthalocyanine Doped in Solid Matrix
Jun Chen, Shayu Li, Fangbin Gong, Zhipei Yang, Shuangqing Wang, Huijun Xu, Yi Li, Jin Shi Ma and Guoqiang YangThe Journal of Physical Chemistry C2009 113 (27), 11943-11951A novel solid matrix doped with tetra-α-(4-tert-butylphenoxy) gallium phthalocyanine (TBP-GaPc) was prepared. Photophysical properties were investigated in order to analyze the effect of triplet−triplet annihilation (TTA) of the phthalocyanine (Pc) both ...
Ligand Customization and DNA Functionalization of Gold Nanorods via Round-Trip Phase Transfer Ligand Exchange
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Andy Wijaya and Kimberly Hamad-SchifferliLangmuir2008 24 (18), 9966-9969Customizable ligand exchange of gold nanorods (NRs) is described. NRs are synthesized with the cationic surfactant cetyltrimethylammonium bromide (CTAB) which is exchanged with thiolated ligands that enable suspension in buffer. Exchange is achieved by a ...
The Importance of the CTAB Surfactant on the Colloidal Seed-Mediated Synthesis of Gold Nanorods
Danielle K. Smith and Brian A. KorgelLangmuir2008 24 (3), 644-649The Importance of the CTAB Surfactant on the Colloidal Seed-Mediated Synthesis of Gold Nanorods
Danielle K. Smith and Brian A. KorgelLangmuir2008 24 (3), 644-649Gold nanorods were synthesized by the colloidal seed-mediated, surfactant-assisted approach [Gou et al., Chem. Mater. 2005, 17, 36683672] using CTAB (hexadecylcetyltrimethylammonium bromide) obtained from ten different suppliers. The yield of gold ...
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History
- Published In Issue June 21, 2007
- Received January 26, 2007
Revised March 19, 2007
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