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2 results on '"Glenn Stephens"'

1. Copper 5,10,15,20-Tetrakis-(3,4-dibenzyloxyphenyl)porphyrin

Author

L. Dalila Mathews, Cynthia P. Tidwell, Prakash Bharara, Glenn Stephens, Ting Yu Su, and Alexia Carter

Subjects
porphyrin synthesis, chromophore, metal complex, Inorganic chemistry, QD146-197
Abstract

The copper complex of 5,10,15,20-tetrakis-(3,4-dibenzyloxyphenyl)porphyrin (CuTDBOPP) was synthesized and characterized with electronic absorption spectroscopy and ESI high-resolution spectrometry. In the electronic spectrum, there was a shift in the Soret band from 424 nm to 420 nm that indicated that the insertion of the metal ion was successful. Additionally, the number of Q bands decreased from four peaks to a single peak at 541 nm. The molar absorptivity of the Soret and Q band are 3.4 × 105 cm−1·M−1 and 1.8 × 105 cm−1·M−1, respectively. The ESI HRMS was in excellent agreement with simulated isotopic distribution spectra. CuTDBOPP was incorporated into a series of Gratzel cells where the open current voltage was recorded.

Published
2017
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2. Copper 5,10,15,20-Tetrakis-(3,4-dibenzyloxyphenyl)porphyrin

Author

Alexia Carter, Ting Su, L. Mathews, Cynthia P. Tidwell, Glenn Stephens, and P. C. Bharara

Subjects
Absorption spectroscopy, Analytical chemistry, chemistry.chemical_element, 02 engineering and technology, 010402 general chemistry, Mass spectrometry, 01 natural sciences, Biochemistry, Spectral line, Metal, metal complex, chemistry.chemical_compound, Q band, lcsh:Inorganic chemistry, chromophore, Physical and Theoretical Chemistry, porphyrin synthesis, Organic Chemistry, Molar absorptivity, 021001 nanoscience & nanotechnology, Porphyrin, Copper, lcsh:QD146-197, 0104 chemical sciences, chemistry, visual_art, visual_art.visual_art_medium, 0210 nano-technology
Abstract

The copper complex of 5,10,15,20-tetrakis-(3,4-dibenzyloxyphenyl)porphyrin (CuTDBOPP) was synthesized and characterized with electronic absorption spectroscopy and ESI high-resolution spectrometry. In the electronic spectrum, there was a shift in the Soret band from 424 nm to 420 nm that indicated that the insertion of the metal ion was successful. Additionally, the number of Q bands decreased from four peaks to a single peak at 541 nm. The molar absorptivity of the Soret and Q band are 3.4 × 105 cm−1·M−1 and 1.8 × 105 cm−1·M−1, respectively. The ESI HRMS was in excellent agreement with simulated isotopic distribution spectra. CuTDBOPP was incorporated into a series of Gratzel cells where the open current voltage was recorded.

Published
2017

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