Charge generation in polymer:perylene diimide blends probed by Vis-NIR broadband transient absorption pump-probe spectroscopy

Proceedings of SPIE - The International Society for Optical Engineering

Volumn 8811, Issue , 2013, Pages

  Gehrig, D ^a   Howard, I A ^a   Kamm, V ^a   Dyer Smith, C ^a   Etzold, F ^a   Laquai, F ^a  

^a MAX PLANCK INSTITUTE FOR POLYMER RESEARCH   (Germany)

Author keywords

Charge carrier dynamics; Low bandgap polymer; Non fullerene acceptors; Organic photovoltaics; Perylene diimide; Transient absorption spectroscopy

Indexed keywords

CHARGE CARRIER DYNAMICS; LOW-BANDGAP POLYMERS; NON-FULLERENE ACCEPTORS; ORGANIC PHOTOVOLTAICS; PERYLENEDIIMIDES; TRANSIENT ABSORPTION SPECTROSCOPIES;

CHARGE CARRIERS; DISSOCIATION; ENERGY GAP; EXCITONS; FULLERENES; HETEROJUNCTIONS; INFRARED DEVICES; NANOSTRUCTURED MATERIALS; POLYMERS; SURFACE CHEMISTRY;

POLYMER BLENDS;

EID: 84889044869     PISSN: 0277786X     EISSN: 1996756X     Source Type: Conference Proceeding    
DOI: 10.1117/12.2023757     Document Type: Conference Paper

References (12)

1. Janssen, R. A. J. and Nelson, J., "Factors Limiting Device Efficiency in Organic Photovoltaics," Adv. Mater. 25(13), 1847-1858 (2013).
2. Li, G., Zhu, R., Yang, Y., "Polymer solar cells," Nat. Photon. 6(3), 153-161 (2012).
3. Bloking, J. T., Han, X., Higgs, A. T., Kastrop, J. P., Pandey, L., Norton, J. E., Risko, C., Chen, C. E., Bredas, J. L., McGehee, M. D., Sellinger, A., "Solution-Processed Organic Solar Cells with Power Conversion Efficiencies of 2.5% using Benzothiadiazole/Imide-Based Acceptors," Chem. Mater. 23(24), 5484-5490 (2011).
4. Rajaram, S., Shivanna, R., Kandappa, S. K., Narayan, K.S., "Nonplanar Perylene Diimides as Potential Alternatives to Fullerenes in Organic Solar Cells," J. Phys. Chem. Lett. 3(17), 2405-2408 (2012).
5. Hüttner, S., Hodgkiss, J. M., Sommer, M., Friend, R. H., Steiner, U., Thelakkat, M., "Morphology-Dependent Charge Photogeneration in Donor-Acceptor Block Copolymer Films Based on Poly(3-hexylthiophene)-block- Poly(perylene bisimide acrylate)," J. Phys. Chem. B 116(33), 10070-10078 (2012).
6. Kamm, V., Battagliarin, G., Howard, I.A., Pisula, W., Mavrinskiy, A., Li, C., Müllen, K., Laquai, F., "Polythiophene:Perylene Diimide Solar Cells - The Impact of Alkyl-Substitution on the Photovoltaic Performance," Adv. Energy Mater. 1(2), 297-302 (2011).
7. Pensack, R.D., Guo, C., Vakshouri, K., Gomez E.D., Asbury, J.B., "Influence of Acceptor Structure on Barriers to Charge Separation in Organic Photovoltaic Materials," J. Phys. Chem. C 116(7), 4824-4831 (2012).
8. Shoaee, S., Clarke, T.M., Huang, C., Barlow, S., Marder, S.R., Heeney, M., McCulloch, I., Durrant, J.R., "Acceptor Energy Level Control of Charge Photogeneration in Organic Donor/Acceptor Blends," J. Am. Chem. Soc. 132(37), 12919-12926 (2010).
9. Howard, I.A., Laquai, F., Keivanidis, P.E., Friend, R.H., Greenham, N.C., "Perylene Tetracarboxydiimide as an Electron Acceptor in Organic Solar Cells: A Study of Charge Generation and Recombination," J. Phys. Chem. C 113(50), 21225-21232 (2009).
10. Keivanidis, P. E., Kamm, V., Dyer-Smith, C., Zhang, W., Laquai, F., McCulloch, I., Bradley, D. D. C., Nelson, J.,"Delayed luminescence spectroscopy of organic photovoltaic binary blends: probing the emissive nongeminate charge recombination," Adv. Mater. 22(45), 5183-5187 (2010).
11. Burkhard, G. F., Hoke, E. T., McGehee, M. D., "Accounting for Interference, Scattering, and Electrode Absorption to Make Accurate Internal Quantum Efficiency Measurements in Organic and Other Thin Solar Cells," Adv. Mater. 22(30), 3293-3297 (2010).
12. Etzold, F., Howard, I.A., Forler, N., Cho, D.M., Meister, M., Mangold, H., Shu, J., Hansen, M.R., Müllen, K., Laquai, F., "The Effect of Solvent Additives on Morphology and Excited State Dynamics in PCPDTBT:PCBM Photovoltaic Blends," J. Am. Chem. Soc. 134 (25), 10569-10583 (2012).