Influence of crystallinity and energetics on charge separation in polymer-inorganic nanocomposite films for solar cells

Scientific Reports

Volumn 3, Issue , 2013, Pages

  Bansal, Neha ^a   Reynolds, Luke X ^a   MacLachlan, Andrew ^a   Lutz, Thierry ^a   Ashraf, Raja Shahid ^a   Zhang, Weimin ^a   Nielsen, Christian B ^a   McCulloch, Iain ^a   Rebois, Dylan G ^a   Kirchartz, Thomas ^a   Hill, Michael S ^b   Molloy, Kieran C ^b   Nelson, Jenny ^a   Haque, Saif A ^a  

^a IMPERIAL COLLEGE LONDON   (United Kingdom)

^b University of Bath Claverton Down   (United Kingdom)

Author keywords

[No Author keywords available]

Indexed keywords

EID: 84875774782     PISSN: None     EISSN: 20452322     Source Type: Journal    
DOI: 10.1038/srep01531     Document Type: Article

References (36)

1. Lee, M. M., Teuscher, J., Miyasaka, T., Murakami, T. N. & Snaith, H. J. Efficient Hybrid Solar Cells Based on Meso-Superstructured Organometal Halide Perovskites. Science 338, 643-647 (2012).
2. Kim, H.-S. et al. Lead Iodide Perovskite Sensitized All-Solid-State Submicron Thin Film Mesoscopic Solar Cell with Efficiency Exceeding 9%. Sci. Rep. 2, 591 (2012).
3. He, Z. et al. Enhanced power-conversion efficiency in polymer solar cells using an inverted device structure. Nature Photon. 6, 591-595 (2012).
4. Sun, Y. et al. Solution-processed small-molecule solar cells with 6.7% efficiency. Nature Mater. 11, 44-48 (2012).
5. Ren, S. et al. Inorganic-Organic Hybrid Solar Cell: Bridging Quantum Dots to Conjugated Polymer Nanowires. Nano Lett. 11, 3998-4002 (2011).
6. Oosterhout, S. D. et al. The effect of three-dimensional morphology on the efficiency of hybrid polymer solar cells. Nature Mater. 8, 818-824 (2009).
7. Green, M. A., Emery, K., Hishikawa, Y., Warta, W. & Dunlop, E. D. Solar cell efficiency tables (version 40). Prog. Photovolt. Res. Appl. 20, 606-614 (2012).
8. Deibel, C., Strobel, T. & Dyakonov, V. Role of the Charge Transfer State in Organic Donor-Acceptor Solar Cells. Adv. Mater. 22, 4097-4111 (2010).
9. Piliego, C. & Loi, M. A. Charge transfer state in highly efficient polymer-fullerene bulk heterojunction solar cells. J. Mater. Chem. 22, 4141-4150 (2012).
10. Silva, C. Organic photovoltaics: Some like it hot. Nature Mater. 12, 5-6 (2013).
11. Ohkita, H. et al. Charge Carrier Formation in Polythiophene/Fullerene Blend Films Studied by Transient Absorption Spectroscopy. J. Am. Chem. Soc. 130, 3030-3042 (2008). (Pubitemid 351455974)
12. Veldman, D. et al. Compositional and electric field dependence of the dissociation of charge transfer excitons in alternating polyfluorene copolymer/fullerene blends. J. Am. Chem. Soc. 130, 7721-7735 (2008). (Pubitemid 351842136)
13. Bakulin, A. A. et al. The Role of Driving Energy and Delocalized States for Charge Separation in Organic Semiconductors. Science 335, 1340-1344 (2012).
14. Jailaubekov, A. E. et al. Hot charge-transfer excitons set the time limit for charge separation at donor/acceptor interfaces in organic photovoltaics. Nature Mater. 12, 66-73 (2013).
15. Grancini, G. et al. Nature Mater. 12, 29-33 (2013).
16. Shoaee, S. et al. Acceptor Energy Level Control of Charge Photogeneration in Organic Donor/Acceptor Blends. J. Am. Chem. Soc. 132, 12919-12926 (2010).
17. Ehrler, B. et al. In situ measurement of exciton energy in hybrid singlet-fission solar cells. Nat. Commun. 3, 1019 (2012).
18. Leventis, H. C. et al. Nanostructured Hybrid Polymer-Inorganic Solar Cell Active Layers Formed by Controllable in Situ Growth of Semiconducting Sulfide Networks. Nano Lett. 10, 1253-1258 (2010).
19. Rath, T. et al. A Direct Route Towards Polymer/Copper Indium Sulfide Nanocomposite Solar Cells. Adv. Energy Mater. 1, 1046-1050 (2011).
20. Reynolds, L. X. et al. Charge photogeneration in hybrid solar cells: A comparison between quantum dots and in situ grown CdS. Nanoscale 4, 1561-1564 (2012).
21. Dowland, S. et al.Direct Growth of Metal Sulfide Nanoparticle Networks in Solid-State Polymer Films for Hybrid Inorganic-Organic Solar Cells. Adv. Mater. 23, 2739-2744 (2011).
22. Pradhan, N., Katz, B. & Efrima, S. Synthesis of High-Quality Metal Sulfide Nanoparticles from Alkyl Xanthate Single Precursors in Alkylamine Solvents. J. Phys. Chem. B 107, 13843-13854 (2003).
23. Han, Q., Sun, S., Sun, D., Zhu, J. & Wang, X. Room-temperature synthesis from molecular precursors and photocatalytic activities of ultralong Sb2S3 nanowires. RSC Adv. 1, 1364-1369 (2011).
24. Clarke, T. M., Jamieson, F. C. & Durrant, J. R. Transient Absorption Studies of Bimolecular Recombination Dynamics in Polythiophene/Fullerene Blend Films. J. Phys. Chem. C 113, 20934-20941 (2009).
25. Soon, Y. W. et al. Energy versus electron transfer in organic solar cells: a comparison of the photophysics of two indenofluorene: fullerene blend films. Chem. Sci. 2, 1111-1120 (2011).
26. Clarke, T. M. & Durrant, J. R. Charge Photogeneration in Organic Solar Cells. Chem. Rev. 110, 6736-6767 (2010).
27. Haeldermans, I. et al. Ground-state charge-transfer complex formation in hybrid poly(3-hexyl thiophene):titanium dioxide solar cells. Appl. Phys. Lett. 93, 223302 (2008).
28. van Eersel, H., Janssen, R. A. J. & Kemerink, M. Mechanism for Efficient Photoinduced Charge Separation at Disordered Organic Heterointerfaces. Adv. Funct. Mater. 22, 2700-2708 (2012).
29. Dimitrov, S. D. et al. On the Energetic Dependence of Charge Separation in Low-Band-Gap Polymer/Fullerene Blends. J. Am. Chem. Soc. 134, 18189-18192 (2012).
30. Vandewal, K., Tvingstedt, K., Gadisa, A., Inganas, O. &Manca, J. V. On the origin of the open-circuit voltage of polymer-fullerene solar cells. Nature Mater. 8, 904-909 (2009).
31. Tvingstedt, K. et al. Electroluminescence from Charge Transfer States in Polymer Solar Cells. J. Am. Chem. Soc. 131, 11819-11824 (2009).
32. Vandewal, K. et al. Quantification of Quantum Efficiency and Energy Losses in Low Bandgap Polymer:Fullerene Solar Cells with High Open-Circuit Voltage. Adv. Funct. Mater. 22, 3480-3490 (2012).
33. Faist, M. A. et al. Competition between the Charge Transfer State and the Singlet States of Donor or Acceptor Limiting the Efficiency in Polymer:Fullerene Solar Cells. J. Am. Chem. Soc. 134, 685-692 (2012).
34. Gong, W. et al. Influence of energetic disorder on electroluminescence emission in polymer:fullerene solar cells. Phys. Rev. B 86, 024201 (2012).
35. Vaynzof, Y., Bakulin, A. A., Gélinas, S. & Friend, R. H. Direct Observation of Photoinduced Bound Charge-Pair States at an Organic-Inorganic Semiconductor Interface. Phys. Rev. Lett. 108, 246605 (2012).
36. Samara, G. A. Temperature and pressure dependences of the dielectric constants of semiconductors. Phys. Rev. B 27, 3494-3505 (1983).