Abstract
The electronic polarization energies, P = P+ + P-, of a perylenetetracarboxylic acid dianhydride (PTCDA) cation and anion in a crystalline thin film on a metallic substrate are computed and compared with measurements of the PTCDA transport gap on gold and silver. Both experiments and theory show that P is 500 meV larger in a PTCDA monolayer than in 50 Å films. Electronic polarization in systems with surfaces and interfaces are obtained self-consistently in terms of charge redistribution within molecules.
| Original language | English (US) |
|---|---|
| Pages (from-to) | 47-52 |
| Number of pages | 6 |
| Journal | Chemical Physics Letters |
| Volume | 360 |
| Issue number | 1-2 |
| DOIs | |
| State | Published - Jul 3 2002 |
All Science Journal Classification (ASJC) codes
- General Physics and Astronomy
- Physical and Theoretical Chemistry
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