Highly Efficient Dual-Color Electrochemiluminescence from BODIPY-Capped PbS Nanocrystals

Electrochemiluminescence (ECL) of a hybrid system consisting of PbS nanocrystals (NCs) and a BODIPY dye (BDY) capping ligand was discovered to produce highly efficient dual emissions with tri-n-propylamine as a coreactant. By means of spooling ECL spectroscopy, the strong dual ECL emission peaks of...

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Published in:Journal of the American Chemical Society 2015-09, Vol.137 (35), p.11266-11269
Main Authors: Hesari, Mahdi, Swanick, Kalen N, Lu, Jia-Sheng, Whyte, Ryan, Wang, Suning, Ding, Zhifeng
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cited_by cdi_FETCH-LOGICAL-a390t-6e48045f202625391b32d834b6a45d2304df787de336890c4c5f4ecd8acfe083
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container_end_page 11269
container_issue 35
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container_title Journal of the American Chemical Society
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creator Hesari, Mahdi
Swanick, Kalen N
Lu, Jia-Sheng
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description Electrochemiluminescence (ECL) of a hybrid system consisting of PbS nanocrystals (NCs) and a BODIPY dye (BDY) capping ligand was discovered to produce highly efficient dual emissions with tri-n-propylamine as a coreactant. By means of spooling ECL spectroscopy, the strong dual ECL emission peaks of 984 and 680 nm were attributed to the PbS and BDY moieties, respectively, and found to be simultaneous during the light evolution and devolution. The ECL of the PbS was enhanced via NC collisions with the electrode and reached an efficiency of 96% relative to that of Ru­(bpy)3 2+, which is the highest among the semiconductor NCs.
doi_str_mv 10.1021/jacs.5b07633
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title Highly Efficient Dual-Color Electrochemiluminescence from BODIPY-Capped PbS Nanocrystals
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