Excitonic Transition Energy Renormalization in Lead Diiodide Nanofilm Caused by Self-Polarization Effects and Electron-Phonon Interaction
| Authors | O.V. Pugantseva , V.M. Kramar |
| Affiliations | Yuriy Fed’kovych Chernivtsi National University, 2, Kotsiubynskogo Str., 58012 Chernivtsi, Ukraine |
| Е-mail | |
| Issue | Volume 5, Year 2013, Number 3 |
| Dates | Received 25 June 2013; revised manuscript received 14 October 2013; published online 17 October 2013 |
| Citation | O.V. Pugantseva, V.M. Kramar, J. Nano- Electron. Phys. 5 No 3, 03036 (2013) |
| DOI | |
| PACS Number(s) | 73.21.Fg |
| Keywords | Nanoheterostructure (2) , Quantum well (6) , Exciton (5) , Lead diiodide. |
| Annotation | Results of the theoretical study of the contributions of self-polarization effect and exciton-phonon interaction to the exciton transition energy in a flat semiconductor nanofilm are presented here. Calculations of the binding and exciton ground state energies are performed using 2H-PbI2 nanofilm embedded in ethylene-methacrylic acid (E-MAA) copolymer. It has been revealed that in ultrathin nanofilms the self-pola-rization effect contribution to the exciton energy is more than from the interaction with polarizing optical phonons. |
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