In situ measurement of exciton energy in hybrid singlet-fission solar cells

Nature Communications

Volumn 3, Issue , 2012, Pages

  Ehrler, Bruno ^a   Walker, Brian J ^a   Böhm, Marcus L ^a   Wilson, Mark W B ^a   Vaynzof, Yana ^a   Friend, Richard H ^a   Greenham, Neil C ^a  

^a UNIVERSITY OF CAMBRIDGE   (United Kingdom)

Author keywords

[No Author keywords available]

Indexed keywords

NANOCRYSTAL;

ARTICLE; ENERGY; HYBRID CELL; MEASUREMENT; PHOTON; QUANTUM MECHANICS; SEMICONDUCTOR;

EID: 84866111194     PISSN: None     EISSN: 20411723     Source Type: Journal    
DOI: 10.1038/ncomms2012     Document Type: Article

References (60)

1. Li, G., Zhu, R. & Yang, Y. Polymer solar cells. Nat. Photon. 6, 153-161 (2012).
2. McNeill, C. R. & Greenham, N. C. Conjugated-polymer blends for optoelectronics. Adv. Mater. 21, 3840-3850 (2009).
3. Lunt, R. R., Osedach, T. P., Brown, P. R., Rowehl, J. A. & Bulović, V. Practical roadmap and limits to nanostructured photovoltaics. Adv. Mater. 23, 5712-5727 (2011).
4. Shockley, W. & Queisser, H. J. Detailed balance limit of efficiency of p-n junction solar cells. J. Appl. Phys. 32, 510-519 (1961).
5. Tisdale, W. A. et al. Hot-electron transfer from semiconductor nanocrystals. Science 328, 1543-1547 (2010).
6. Semonin, O. E. et al. Peak external photocurrent quantum efficiency exceeding 100% via MEG in a quantum dot solar cell. Science 334, 1530-1533 (2011).
7. Wang, X. et al. Tandem colloidal quantum dot solar cells employing a graded recombination layer. Nat. Photon. 5, 480-484 (2011).
8. Luque, A., Martí, A. & Stanley, C. Understanding intermediate-band solar cells. Nat. Photon. 6, 146-152 (2012).
9. Hanna, M. C. & Nozik, A. J. Solar conversion efficiency of photovoltaic and photoelectrolysis cells with carrier multiplication absorbers. J. Appl. Phys. 100, 074510 (2006).
10. Smith, M. B. & Michl, J. Singlet fission. Chem. Rev. 110, 6891-6936 (2010).
11. Wilson, M. W. B. et al. Ultrafast dynamics of exciton fission in polycrystalline pentacene. J. Am. Chem. Soc. 133, 11830-11833 (2011).
12. Lee, J., Jadhav, P. J. & Baldo, M. A. High efficiency organic multilayer photodetectors based on singlet exciton fission. Appl. Phys. Lett. 95, 033301 (2009).
13. Chan, W. -L. et al. Observing the multiexciton state in singlet fission and ensuing ultrafast multielectron transfer. Science 334, 1541-1545 (2011).
14. Hasegawa, T. & Takeya, J. Organic field-effect transistors using single crystals. Sci. Tech. Adv. Mater. 10, 024314 (2009).
15. Köhler, A. & Bässler, H. Triplet states in organic semiconductors. Mat. Sci. Eng. R 66, 71-109 (2009).
16. Burgos, J., Pope, M., Swenberg, C. E. & Alfano, R. R. Heterofission in pentacene-doped tetracene single crystals. Physica Status Solidi B 83, 249-256 (1977).
17. Rei Vilar, M., Heyman, M. & Schott, M. Spectroscopy of low-energy electrons backscattered from an organic solid surface: pentacene. Chem. Phys. Lett. 94, 522-526 (1983).
18. de Cheveigné, S., Klein, J., Léger, A., Belin, M. & Défourneau, D. Molecular electronic transitions observed by inelastic tunneling spectroscopy. Phys. Rev. B 15, 750-754 (1977).
19. Birks, J. B. Photophysics of Aromatic Molecules 184 (John Wiley & Sons, London, 1970).
20. Hellner, C., Lindqvist, L. & Roberge, P. C. Absorption spectrum and decay kinetics of triplet pentacene in solution, studied by flash photolysis. J. Chem. Soc. Faraday Trans. 68, 1928-1937 (1972).
21. Gijzeman, O. L. J., Kaufman, F. & Porter, G. Oxygen quenching of aromatic triplet states in solution Part 1. J. Chem. Soc. Faraday Trans. 2 69, 708-720 (1973).
22. Pariser, R. Theory of the electronic spectra and structure of the polyacenes and of alternant hydrocarbons. J. Chem. Phys. 24, 250-268 (1956).
23. Paci, I. et al. Singlet fission for dye-sensitized solar cells: can a suitable sensitizer be found? J. Am. Chem. Soc. 128, 16546-16553 (2006). (Pubitemid 46032734)
24. Pabst, M. & Köhn, A. Implementation of transition moments between excited states in the approximate coupled-cluster singles and doubles model. J. Chem. Phys. 129, 214101 (2008).
25. Zimmerman, P. M., Zhang, Z. & Musgrave, C. B. Singlet fission in pentacene through multi-exciton quantum states. Nat. Chem. 2, 648-652 (2010).
26. Zimmerman, P. M., Bell, F., Casanova, D. & Head-Gordon, M. Mechanism for singlet fission in pentacene and tetracene: From single exciton to two triplets. J. Am. Chem. Soc. 133, 19944-19952 (2011).
27. Sudhakar, M., Djurovich, P. I., Hogen-Esch, T. E. & Thompson, M. E. Phosphorescence quenching by conjugated polymers. J. Am. Chem. Soc. 125, 7796-7797 (2003). (Pubitemid 36782145)
28. Vandewal, K., Tvingstedt, K., Gadisa, A., Inganäs, O. & Manca, J. V. On the origin of the open-circuit voltage of polymer-fullerene solar cells. Nat. Mater. 8, 904-909 (2009).
29. Ehrler, B., Wilson, M. W. B., Rao, A., Friend, R. H. & Greenham, N. C. Singlet exciton fission-sensitized infrared quantum dot solar cells. Nano Lett. 12, 1053-1057 (2012).
30. Kamat, P. V. Quantum dot solar cells. Semiconductor nanocrystals as light harvesters. J. Phys. Chem. C 112, 18737-18753 (2008).
31. Kramer, I. J. & Sargent, E. H. Colloidal quantum dot photovoltaics: a path forward. ACS Nano 5, 8506-8514 (2011).
32. Greenham, N. C., Peng, X. & Alivisatos, A. P. Charge separation and transport in conjugated-polymer/semiconductor-nanocrystal composites studied by photoluminescence quenching and photoconductivity. Phys. Rev. B 54, 17628-17637 (1996).
33. Gur, I., Fromer, N. A., Geier, M. L. & Alivisatos, A. P. Air-stable all-inorganic nanocrystal solar cells processed from solution. Science 310, 462-465 (2005). (Pubitemid 41507953)
34. Arango, A. C., Oertel, D. C., Xu, Y., Bawendi, M. G. & Bulović, V. Heterojunction photovoltaics using printed colloidal quantum dots as a photosensitive layer. Nano Lett. 9, 860-863 (2009).
35. Panzer, M. J., Wood, V., Geyer, S. M., Bawendi, M. G. & Bulović, V. Tunable infrared emission from printed colloidal quantum dot/polymer composite films on flexible substrates. J. Disp. Technol. 6, 90-93 (2010).
36. Choi, J. J. et al. PbSe nanocrystal excitonic solar cells. Nano Lett. 9, 3749-3755 (2009).
37. Mentzel, T. et al. Charge transport in PbSe nanocrystal arrays. Phys. Rev. B 77, 1-8 (2008).
38. Fischbein, M. D., Puster, M. & Drndic, M. Monolayer suppression of transport imaged in annealed PbSe nanocrystal arrays. Nano Lett. 10, 2155-2161 (2010).
39. Wehrenberg, B. L., Wang, C. & Guyot-Sionnest, P. Interband and intraband optical studies of PbSe colloidal quantum dots. J. Phys. Chem. B 106, 10634-10640 (2002). (Pubitemid 35420901)
40. Moreels, I. et al. Composition and size-dependent extinction coefficient of colloidal PbSe quantum dots. Chem. Mater. 19, 6101-6106 (2007).
41. Abe, S., Čapek, R. K., De Geyter, B. & Hens, Z. Tuning the postfocused size of colloidal nanocrystals by the reaction rate: from theory to application. ACS Nano 6, 42-53 (2012).
42. Harris, D. K. et al. Synthesis of cadmium arsenide quantum dots luminescent in the infrared. J. Am. Chem. Soc. 133, 4676-4679 (2011).
43. Allen, P. M., Walker, B. J. & Bawendi, M. G. Mechanistic insights into the formation of InP quantum dots. Angew. Chem. Int. Ed. 49, 760-762 (2010).
44. Jasieniak, J., Califano, M. & Watkins, S. E. Size-dependent valence and conduction band-edge energies of semiconductor nanocrystals. ACS Nano 5, 5888-5902 (2011).
45. Koch, N. et al. Physisorption-like interaction at the interfaces formed by pentacene and samarium. J. Phys. Chem. B 106, 4192-4196 (2002). (Pubitemid 35295413)
46. Hwang, J., Wan, A. & Kahn, A. Energetics of metal-organic interfaces: new experiments and assessment of the field. Mater. Sci. Eng. R 64, 1-31 (2009).
47. Nayak, P. K., Bisquert, J. & Cahen, D. Assessing possibilities and limits for solar cells. Adv. Mater. 23, 2870-2876 (2011).
48. Marshall, L., Cui, J., Brokmann, X. & Bawendi, M. G. Extracting spectral dynamics from single chromophores in solution. Phys. Rev. Lett. 105, 053005 (2010).
49. Jundt, C. et al. Exciton dynamics in pentacene thin films studied by pump-probe spectroscopy. Chem. Phys. Lett. 241, 84-88 (1995).
50. Rao, A., Wilson, M. W. B., Albert-Seifried, S., Di Pietro, R. & Friend, R. H. Photophysics of pentacene thin films: the role of exciton fission and heating effects. Phys. Rev. B 84, 195411 (2011).
51. Rao, A. et al. Exciton fission and charge generation via triplet excitons in pentacene/C60 bilayers. J. Am. Chem. Soc. 132, 12698-12703 (2010).
52. Friend, R. H. et al. Excitons and charges at organic semiconductor heterojunctions. Faraday Discuss. 155, 339-348 (2012).
53. Yoo, S. et al. Analysis of improved photovoltaic properties of pentacene/C60 organic solar cells: effects of exciton blocking layer thickness and thermal annealing. Solid-State Electron. 51, 1367-1375 (2007). (Pubitemid 47539525)
54. Brabec, C. J., Shaheen, S. E., Winder, C., Sariciftci, N. S. & Denk, P. Effect of LiF/metal electrodes on the performance of plastic solar cells. Appl. Phys. Lett. 80, 1288-1290 (2002).
55. Kahn, A., Koch, N. & Gao, W. Electronic structure and electrical properties of interfaces between metals and ?-conjugated molecular films. J. Polym. Sci. B: Polym. Phys. 41, 2529-2548 (2003).
56. Gocalińska, A. et al. Size-dependent electron transfer from colloidal PbS nanocrystals to fullerene. J. Phys. Chem. Lett. 1, 1149-1154 (2010).
57. Yu, W. W., Falkner, J. C., Shih, B. S. & Colvin, V. L. Preparation and characterization of monodisperse Pbse semiconductor nanocrystals in a noncoordinating solvent. Chem. Mater. 16, 3318-3322 (2004).
58. Evans, C. M., Guo, L., Peterson, J. J., Maccagnano-Zacher, S. & Krauss, T. D. Ultrabright PbSe magic-sized clusters. Nano Lett. 8, 2896-2899 (2008).
59. Hines, M. A. & Scholes, G. D. Colloidal PbS nanocrystals with size-tunable near-infrared emission: observation of post-synthesis self-narrowing of the particle size distribution. Adv. Mater. 15, 1844-1849 (2003).
60. Pattantyus-Abraham A.G.,et al.,Depleted-heterojunction colloidal quantum dot solar cells.ACS Nano 2010,4 3374-3380.