John B Asbury

Summary

Affiliation: Pennsylvania State University
Country: USA

Publications

  1. ncbi request reprint Ultrafast vibrational spectroscopy of charge-carrier dynamics in organic photovoltaic materials
    Ryan D Pensack
    Department of Chemistry, The Pennsylvania State University, University Park, PA 16802, USA
    Phys Chem Chem Phys 11:2575-91. 2009
  2. doi request reprint Temperature-independent vibrational dynamics in an organic photovoltaic material
    Ryan D Pensack
    Department of Chemistry The Pennsylvania State University, University Park, Pennsylvania 16802, USA
    J Phys Chem B 114:12242-51. 2010
  3. ncbi request reprint Vibrational solvatochromism in organic photovoltaic materials: method to distinguish molecules at donor/acceptor interfaces
    Ryan D Pensack
    Department of Chemistry, The Pennsylvania State University, University Park, PA 16802, USA
    Phys Chem Chem Phys 12:14144-52. 2010
  4. doi request reprint Vibrational spectroscopy of electronic processes in emerging photovoltaic materials
    Kwang S Jeong
    Department of Chemistry, The Pennsylvania State University, University Park, PA 16802, USA
    Acc Chem Res 46:1538-47. 2013

Collaborators

  • Ryan D Pensack
  • Kyle M Banyas
  • Kwang S Jeong
  • Larry W Barbour
  • Maureen Hegadorn

Detail Information

Publications4

  1. ncbi request reprint Ultrafast vibrational spectroscopy of charge-carrier dynamics in organic photovoltaic materials
    Ryan D Pensack
    Department of Chemistry, The Pennsylvania State University, University Park, PA 16802, USA
    Phys Chem Chem Phys 11:2575-91. 2009
    ..The time scale of charge trapping corresponds to the carrier lifetime of similar PPV-based polymer blends that have been reported in the literature on the basis of transient photocurrent measurements...
  2. doi request reprint Temperature-independent vibrational dynamics in an organic photovoltaic material
    Ryan D Pensack
    Department of Chemistry The Pennsylvania State University, University Park, Pennsylvania 16802, USA
    J Phys Chem B 114:12242-51. 2010
    ..Interestingly, the half angle characterizing the wobbling-in-cone orientational motion does increase at higher temperature due to increased free-volume resulting from thermal expansion of the polymer blend...
  3. ncbi request reprint Vibrational solvatochromism in organic photovoltaic materials: method to distinguish molecules at donor/acceptor interfaces
    Ryan D Pensack
    Department of Chemistry, The Pennsylvania State University, University Park, PA 16802, USA
    Phys Chem Chem Phys 12:14144-52. 2010
    ..In this contribution, we explore the origin of the frequency shift and show that it arises from variations in the inhomogeneous solvent environments experienced by PCBM molecules as a result of phase separation in the polymer blend...
  4. doi request reprint Vibrational spectroscopy of electronic processes in emerging photovoltaic materials
    Kwang S Jeong
    Department of Chemistry, The Pennsylvania State University, University Park, PA 16802, USA
    Acc Chem Res 46:1538-47. 2013
    ..We expect that further examination of electronic processes in materials using ultrafast vibrational spectroscopy will lead to new design rules in support of continued materials development efforts. ..