Search Results - "Jonas, David M."

Vibrational and Nonadiabatic Coherence in 2D Electronic Spectroscopy, the Jahn-Teller Effect, and Energy Transfer by Jonas, David M

“…Femtosecond two-dimensional (2D) Fourier transform spectroscopy generates and probes several types of coherence that characterize the couplings between…”
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Electronic resonance with anticorrelated pigment vibrations drives photosynthetic energy transfer outside the adiabatic framework by Tiwari, Vivek, Peters, William K., Jonas, David M.

“…The delocalized, anticorrelated component of pigment vibrations can drive nonadiabatic electronic energy transfer in photosynthetic light-harvesting antennas…”
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Electronic energy transfer through non-adiabatic vibrational-electronic resonance. II. 1D spectra for a dimer by Tiwari, Vivek, Jonas, David M

“…Vibrational-electronic resonance in photosynthetic pigment-protein complexes invalidates Förster's adiabatic framework for interpreting spectra and energy…”
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Two-dimensional femtosecond spectroscopy by Jonas, David M

“…The simplest two-dimensional (2D) spectra show how excitation with one (variable) frequency affects the spectrum at all other frequencies, thus revealing the…”
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Purification of Oleylamine for Materials Synthesis and Spectroscopic Diagnostics for trans Isomers by Baranov, Dmitry, Lynch, Michael J, Curtis, Anna C, Carollo, Alexa R, Douglass, Callum R, Mateo-Tejada, Alina M, Jonas, David M

“…Oleylamine is widely used in nanomaterial and metal-halide perovskite synthesis. Impurities in commercially available oleylamine reagents are identified,…”
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Generalized Einstein relations between absorption and emission spectra at thermodynamic equilibrium by Ryu, Jisu, Yeola, Sarang, Jonas, David M

“…We present Einstein coefficient spectra and a detailed-balance derivation of generalized Einstein relations between them that is based on the connection…”
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Two-Dimensional Electronic Correlation and Relaxation Spectra:  Theory and Model Calculations by Gallagher Faeder, Sarah M, Jonas, David M

“…Hybl et al. demonstrated a technique for recording two-dimensional Fourier transform electronic correlation and relaxation spectra based on detecting phase…”
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Femtosecond nonadiabatic dynamics in photosynthetic light harvesting by Foster, Peter W., Tiwari, Vivek, Peters, William K., Jonas, David M.

“…Fast and efficient energy transfer in photosynthetic antennas supports all life on earth. Nonadiabatic energy transfer drives unusual vibrations through tight…”
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Using coherence to enhance function in chemical and biophysical systems by Scholes, Gregory D., Fleming, Graham R., Chen, Lin X., Aspuru-Guzik, Alán, Buchleitner, Andreas, Coker, David F., Engel, Gregory S., van Grondelle, Rienk, Ishizaki, Akihito, Jonas, David M., Lundeen, Jeff S., McCusker, James K., Mukamel, Shaul, Ogilvie, Jennifer P., Olaya-Castro, Alexandra, Ratner, Mark A., Spano, Frank C., Whaley, K. Birgitta, Zhu, Xiaoyang

“…Coherence phenomena arise from interference, or the addition, of wave-like amplitudes with fixed phase differences. Although coherence has been shown to yield…”
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2D Correlation Analysis of the Continuum in Single Molecule Surface Enhanced Raman Spectroscopy by Moore, Amy A, Jacobson, Michele L, Belabas, Nadia, Rowlen, Kathy L, Jonas, David M

“…The role and the nature of the continuum in Surface Enhanced Raman Spectroscopy (SERS) are unclear. Here, two-dimensional (2D) covariance and correlation…”
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Design Rules for Obtaining Narrow Luminescence from Semiconductors Made in Solution by Nguyen, Hao A., Dixon, Grant, Dou, Florence Y., Gallagher, Shaun, Gibbs, Stephen, Ladd, Dylan M., Marino, Emanuele, Ondry, Justin C., Shanahan, James P., Vasileiadou, Eugenia S., Barlow, Stephen, Gamelin, Daniel R., Ginger, David S., Jonas, David M., Kanatzidis, Mercouri G., Marder, Seth R., Morton, Daniel, Murray, Christopher B., Owen, Jonathan S., Talapin, Dmitri V., Toney, Michael F., Cossairt, Brandi M.

“…Solution-processed semiconductors are in demand for present and next-generation optoelectronic technologies ranging from displays to quantum light sources…”
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Bandgap Inhomogeneity of a PbSe Quantum Dot Ensemble from Two-Dimensional Spectroscopy and Comparison to Size Inhomogeneity from Electron Microscopy by Park, Samuel D, Baranov, Dmitry, Ryu, Jisu, Cho, Byungmoon, Halder, Avik, Seifert, Sönke, Vajda, Stefan, Jonas, David M

“…Femtosecond two-dimensional Fourier transform spectroscopy is used to determine the static bandgap inhomogeneity of a colloidal quantum dot ensemble. The…”
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Correction to “Nonadiabatic Eigenfunctions Can Have Amplitude, Signed Conical Nodes, or Signed Higher Order Nodes at a Conical Intersection with Circular Symmetry” by Foster, Peter W, Jonas, David M

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Nonadiabatic Eigenfunctions Can Have Amplitude, Signed Conical Nodes, or Signed Higher Order Nodes at a Conical Intersection with Circular Symmetry by Foster, Peter W, Jonas, David M

“…Numerically exact nonadiabatic eigenfunctions are computed for a two-dimensional conical intersection with circular symmetry, for which a pseudorotation…”
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Pulse Propagation Effects in Optical 2D Fourier-Transform Spectroscopy: Theory by Spencer, Austin P, Li, Hebin, Cundiff, Steven T, Jonas, David M

“…A solution to Maxwell’s equations in the three-dimensional frequency domain is used to calculate rephasing two-dimensional Fourier transform (2DFT) spectra of…”
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Simultaneous All-Optical Determination of Molecular Concentration and Extinction Coefficient by Cho, Byungmoon, Tiwari, Vivek, Jonas, David M

“…Absolute molecular number concentration and extinction coefficient are simultaneously determined from linear and nonlinear spectroscopic measurements. This…”
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Carrier Dynamics and Interactions for Bulklike Photoexcitation of Colloidal Indium Arsenide Quantum Dots by Spencer, Austin P, Peters, William K, Neale, Nathan R, Jonas, David M

“…The remarkable photonic and photochemical properties of colloidal quantum dots (QD) depend critically on the dynamics of carrier interactions and relaxation…”
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Energy transfer: Vibronic coherence unveiled by Tiwari, Vivek, Peters, William K, Jonas, David M

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Relations between absorption, emission, and excited state chemical potentials from nanocrystal 2D spectra by Ryu, Jisu, Park, Samuel D, Baranov, Dmitry, Rreza, Iva, Owen, Jonathan S, Jonas, David M

“…For quantum-confined nanomaterials, size dispersion causes a static broadening of spectra that has been difficult to measure and invalidates all-optical…”
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Alignment, Vibronic Level Splitting, and Coherent Coupling Effects on the Pump−Probe Polarization Anisotropy by Smith, Eric R, Jonas, David M

“…The pump−probe polarization anisotropy is computed for molecules with a nondegenerate ground state, two degenerate or nearly degenerate excited states with…”
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