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Stark Spectroscopy of Mixed-Valence Systems
Stark spectroscopy reaction centre mixed valence intervalence charge transfer Creutz–Taube ion
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2016/5/25
Many mixed-valence systems involve two or more states with different electric dipole moments whose magnitudes depend upon the charge transfer distance and the degree of delocalization; these systems c...
Probing Excited-State Electron Transfer by Resonance Stark Spectroscopy:4.Mutations near BL in Photosynthetic Reaction Centers Perturb Multiple Factors that Affect BL/fBL+HL
Excited-State Electron Transfer Resonance Stark Spectroscopy Mutations near BL Photosynthetic Reaction Centers Perturb Multiple Factors BL/fBL+HL
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2016/5/24
Stark spectra have been obtained in the region of absorption by the accessory bacteriochlorophylls (the B-band region around 800 nm) in Rhodobacter sphaeroides reaction centers. The Stark spectra in t...
Probing Excited-State Electron Transfer by Resonance Stark Spectroscopy:3.Theoretical Foundations and Practical Applications
contracted basis Lanczos algorithm methane vibrational spectroscopy
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2016/5/24
Resonance Stark effects are nonclassical Stark effects associated with excited-state charge-transfer processes. The theory of resonance Stark effects developed in Part 2 of this series is generalized ...
Vibrational Stark Spectroscopy of NO Bound to Heme:Effects of Protein Electrostatic Fields on the NO Stretch Frequency
rare earth alloys X-ray diffraction crystal structure phase diagram
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2016/5/23
The vibrational Stark effect measures the effect of an external electric field on the vibrational (IR) spectrum of a molecule. This technique gives quantitative information on the sensitivity of a vib...
Probing Excited State Electron Transfer by Resonance Stark Spectroscopy.II.Theory and Application
Excited State Electron Resonance Stark Spectroscopy Theory Application
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2016/5/23
A theory of the resonance Stark effect data reported in part 1 (preceding paper in this issue) is developed. The model used involves a weak charge resonance interaction between the excited state of an...
Probing Excited State Electron Transfer by Resonance Stark Spectroscopy.I.Experimental Results for Photosynthetic Reaction Centers
adatoms bismuth photoelectron diffraction silicon
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2016/5/23
Higher order Stark spectroscopy has recently been introduced and applied to characterize the electrooptic properties of chromophores in bacterial photosynthetic reaction centers.1 In the course of the...
Characterization of the Light Harvesting Antennas of Photosynthetic Purple Bacteria by Stark Spectroscopy:I.LH1 Antenna Complex and the B820 Subunit from Rhodospirillum rubrum
ABCD rule accessory nipples acral acrolentiginous actinic keratosis alopecia amelonotic angiokeratoma angioma arborizing blood vessels
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2016/5/23
We present low-temperature Stark measurements on the core light-harvesting complex 1 (LH1) of purple bacteria and the B820 subunit derived from LH1, which is a protein bound Bchl a dimer. It was found...
Stark Spectroscopy:Applications in Chemistry,Biology and Materials Science
electroabsorption electrochromism electro-optic absorption electric field charge transfer
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2016/5/23
Stark spectroscopy has been applied to a wide range of molecular systems and materials. A generally useful method for obtaining electronic and vibrational Stark spectra that does not require sophistic...
Stark Spectroscopy of Donor/Acceptor Substituted Polyenes
Stark Spectroscopy Donor Acceptor Substituted Polyenes
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2016/5/23
The electronic structure of donor/acceptor polyenes (merocyanines) is studied by means of electroabsorption (Stark) spectroscopy. Molecules belonging to this class exhibit an extreme variability of th...
Stark Spectroscopy of Photosynthetic Systems
Stark Spectroscopy Photosynthetic Systems
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2016/5/23
The effects of applied electric fields on the absorption or emission spectrum of a molecule is known as Stark Spectroscopy. This method probes the movement of charge associated with optical excitation...
Higher-Order Stark Spectroscopy:Polarizability of Photosynthetic Pigments
Higher-Order Stark Spectroscopy Polarizability Photosynthetic Pigments
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2016/5/23
Stark spectra for nonoriented molecules with typical broad inhomogeneous line widths are obtained by applying an ac electric field and detecting the change in absorbance at the second harmonic of the ...