Synthesis, structure and spectroscopic investigations of luminescent heterobimetallic gold(I)-Rhodium(I) species
Name
77751337-MIT.pdf
Description
Full printable version
Size
2.44 MB
Format
Adobe PDF
Checksum (MD5)
2cd5012d5e3484b33aefc69f59d83e47
Author(s)
Dempsey, Jillian Lee
Advisor(s)
Daniel G. Nocera.
Date Issued
2005
Publisher
Massachusetts Institute of Technology
Abstract
A novel, three-coordinate gold(I) dimer, Au2(tfepm)3Cl2 (la, lb), was synthesized and structurally characterized. Four gold(I)-rhodium(I) heterobimetallic complexes, AuIRh'(tBuNC)2(-dppm)2C12 (2), Au'Rh'(tBuNC)2(u-dmpm)2Cl2 (3), Au'Rh'(tBuNC)2(,u-tfepm)2C12 (4), and AuIRh(tBuNC)2(u-tfepma)2Cl2 (5) were synthesized and 2, 3, and 5 were crystallographically characterized. Absorption spectra at room temperature, excitation spectra, emission spectra, and phosphorescence lifetimes of glass-solution and solid state samples at 77 K are reported for 2-5 and interpreted in context of crystallographic structure, electronic structure, and time-dependent density functional theory (TD-DFT) calculations. 2-5 are intensely luminescent at 77 K, with 4 and 5 exhibiting "dual emission."
Description
Thesis (S.B.)--Massachusetts Institute of Technology, Dept. of Chemistry, 2005.
Some images on CDROM are in colour.
Includes bibliographical references (leaves 33-34, first group).
Subjects
Chemistry.
MIT Department
Massachusetts Institute of Technology. Department of Chemistry
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