Research- Fundamental or
Applied? A Personal Journey
Prof. Allen Hermann
Department of Physics
University of Colorado
Boul...
Background in Fundamental
studies (Hall Effect,
thermoelectric power,
resistivity and
photoconductivity, etc.) on
Molecula...
…Led to discovery of
Solid State Battery used in
today’s Cardiac Pacemekers
Li
LiI
PVP-I CT
complex
Li+
Superconductors
Search for Excitonic
Superconductivity
in Thin Films on Polarizable
substrates-
not successful
Search for Superconductivity in
2D Intercalated Materials
Alkali-metal Intercalated
Dichalcogenides
(Successful-
A New 4K ...
K-MoS2
Search for Superconductivity (or
high conductivity) in Organic
Low-dimensional materials
Search for New High
Temperature Cuprate
Superconductors
Highly Successful –
Discovered the Tl-cuprate System
Solar Cells
Si Space Solar Cells
Thin Film Amorphous Si
Cu(In,Ga)Se2 Cells
CIS, CIGS
Other Polycrystalline Thin Film
Cells
Tunable Microwave Devices
Nanotechnology
Nanostructured Organic Solar Cells
Nanostructured Batteries
20 nm nanorods of MnO2 for positive electrodes
in Li ion batteries
New dopeable ceramic
semiconductors
Fundamental vs applied research
Fundamental vs applied research
Fundamental vs applied research
Fundamental vs applied research
Fundamental vs applied research
Fundamental vs applied research
Fundamental vs applied research
Fundamental vs applied research
Fundamental vs applied research
Fundamental vs applied research
Fundamental vs applied research
Fundamental vs applied research
Fundamental vs applied research
Fundamental vs applied research
Fundamental vs applied research
Fundamental vs applied research
Fundamental vs applied research
Fundamental vs applied research
Fundamental vs applied research
Fundamental vs applied research
Fundamental vs applied research
Fundamental vs applied research
Fundamental vs applied research
Fundamental vs applied research
Fundamental vs applied research
Fundamental vs applied research
Fundamental vs applied research
Fundamental vs applied research
Fundamental vs applied research
Fundamental vs applied research
Fundamental vs applied research
Fundamental vs applied research
Fundamental vs applied research
Fundamental vs applied research
Fundamental vs applied research
Fundamental vs applied research
Fundamental vs applied research
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Fundamental vs applied research

  1. 1. Research- Fundamental or Applied? A Personal Journey Prof. Allen Hermann Department of Physics University of Colorado Boulder, CO 80409 USA allen.hermann@colorado.edu
  2. 2. Background in Fundamental studies (Hall Effect, thermoelectric power, resistivity and photoconductivity, etc.) on Molecular Solids
  3. 3. …Led to discovery of Solid State Battery used in today’s Cardiac Pacemekers
  4. 4. Li LiI PVP-I CT complex Li+
  5. 5. Superconductors
  6. 6. Search for Excitonic Superconductivity
  7. 7. in Thin Films on Polarizable substrates- not successful
  8. 8. Search for Superconductivity in 2D Intercalated Materials Alkali-metal Intercalated Dichalcogenides (Successful- A New 4K superconductor!)
  9. 9. K-MoS2
  10. 10. Search for Superconductivity (or high conductivity) in Organic Low-dimensional materials
  11. 11. Search for New High Temperature Cuprate Superconductors Highly Successful – Discovered the Tl-cuprate System
  12. 12. Solar Cells
  13. 13. Si Space Solar Cells
  14. 14. Thin Film Amorphous Si
  15. 15. Cu(In,Ga)Se2 Cells CIS, CIGS
  16. 16. Other Polycrystalline Thin Film Cells
  17. 17. Tunable Microwave Devices
  18. 18. Nanotechnology
  19. 19. Nanostructured Organic Solar Cells
  20. 20. Nanostructured Batteries
  21. 21. 20 nm nanorods of MnO2 for positive electrodes in Li ion batteries
  22. 22. New dopeable ceramic semiconductors
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