Single junction inverted polymer solar cell reaching power conversion efficiency 10.31% by employing dual-doped zinc oxide nano-film as cathode interlayer

Scientific Reports

Volumn 4, Issue , 2014, Pages

  Liao, Sih Hao ^a   Jhuo, Hong Jyun ^a   Yeh, Po Nan ^a   Cheng, Yu Shan ^a   Li, Yi Lun ^a   Lee, Yu Hsuan ^a   Sharma, Sunil ^a   Chen, Show An ^a  

^a NATIONAL TSING HUA UNIVERSITY   (Taiwan)

Author keywords

[No Author keywords available]

Indexed keywords

EID: 84924019920     PISSN: None     EISSN: 20452322     Source Type: Journal    
DOI: 10.1038/srep06813     Document Type: Article

References (40)

1. Yu, G. et al. Polymer Photovoltaic Cells: Enhanced Efficiencies via a Network of Internal Donor-Acceptor Heterojunctions. Science 270, 1789-1791 (1995).
2. Ma, W. et al. Thermally Stable, Efficient Polymer Solar Cells with Nanoscale Control of the Interpenetrating Network Morphology. Adv. Funct. Mater. 15, 1617-1622 (2005).
3. LI, Y. et al. Molecular Design of Photovoltaic Materials for Polymer Solar Cells: Toward Suitable Electronic Energy Levels and Broad Absorption. Acc. Chem. Res. 45, 723-733 (2012).
4. Liu, S. et al. High-Efficiency Polymer Solar Cells via the Incorporation of an Amino-Functionalized Conjugated Metallopolymer as a Cathode Interlayer. J. Am. Chem. Soc. 135, 15326-15329 (2013).
5. He, Z. et al. Enhanced power-conversion efficiency in polymer solar cells using an inverted device structure. Nat. Photonics 6, 591-595 (2012).
6. Liao, S.-H. et al. Fullerene Derivative-Doped Zinc Oxide Nanofilm as the Cathode of Inverted Polymer Solar Cells with Low-Bandgap Polymer (PTB7-Th) for High Performance. Adv. Mater. 25, 4766-4771 (2013).
7. You, J. et al. A polymer tandem solar cell with 10.6% power conversion efficiency. Nat. Commun. 4, 1446-1455 (2013).
8. Chen, H. Y. et al. Polymer solar cells with enhanced open-circuit voltage and efficiency. Nat. Photonics. 3, 649-653 (2009).
9. Liang, Y. et al. For the Bright Future-Bulk Heterojunction Polymer Solar Cells with Power Conversion Efficiency of 7.4%. Adv. Mater. 22, 1-4 (2010).
10. Huo, L. J. et al. Replacing Alkoxy Groups with Alkylthienyl Groups: A Feasible Approach To Improve the Properties of Photovoltaic Polymers. Angew. Chem. Int. Ed. 50, 9697-9702 (2011).
11. Zhang, M. et al. Synergistic Effect of Fluorination on Molecular Energy Level Modulation in Highly Efficient Photovoltaic Polymers. Adv. Mater. 26, 1118-1123 (2014).
12. Wu, Y. et al. PDT-S-T: A New Polymer with Optimized Molecular Conformation for Controlled Aggregation and π-π Stacking and Its Application in Efficient Photovoltaic Devices. Adv. Mater. 25, 3449-3455 (2013).
13. Kim, J. H. et al. Thieno[3,2-b]thiophene-Substituted Benzo[1,2-b:4,5 b']dithiophene as a Promising Building Block for Low Bandgap Semiconducting Polymers for High-Performance Single and Tandem Organic Photovoltaic Cells. Chem. Mater. 26, 1234-1242 (2014).
14. Krebs, F. C. et al. Analysis of the Failure Mechanism for a Stable Organic Photovoltaic During 10000 h of Testing. Progr. Photovolt.: Res. Appl. 15, 697-712 (2007).
15. Li, G. et al. Efficient inverted polymer solar cells. Appl. Phys. Lett. 88, 253503 (2006).
16. Hau, S. K. et al. Air-stable inverted flexible polymer solar cells using zinc oxide nanoparticles as an electron selective layer. Appl. Phys. Lett. 92, 253301 (2008).
17. Hau, S. K. et al. Interfacial modification to improve inverted polymer solar cells. J. Mater. Chem. 18, 5113-5119 (2008).
18. Kyaw, A. K. K. et al. The properties of sol-gel processed indium-doped zinc oxide semiconductor film and its application in organic solar cells. Phys. Status Solidi A 208, 2635-2642 (2011).
19. Goncalves, G. et al. Influence of post-annealing temperature on the properties exhibited by ITO, IZO and GZO thin films. Thin Solid Films 515, 8562-8566 (2007).
20. Barquinha, P. et al. Effect of annealing temperature on the properties of IZO films and IZO based transparent TFTs. Thin Solid Films 515, 8450-8454 (2007).
21. Yin, Z. et al. Graphene-Based Materials for Solar Cell Applications. Adv. Energy Mater. 4, 1300574 (2014).
22. Hsieh, C. H. et al. Highly Efficient and Stable Inverted Polymer Solar Cells Integrated with a Cross-Linked Fullerene Material as an Interlayer. J. Am. Chem. Soc. 132, 4887-4893 (2010).
23. Hau, S. K. et al. Effect of Chemical Modification of Fullerene-Based Self-Assembled Monolayers on the Performance of Inverted Polymer Solar Cells. ACS Appl. Mater. Interfaces. 2, 1892-1902 (2010).
24. Ma, D. et al. Self-Organization of Amine-Based Cathode Interfacial Materials in Inverted Polymer Solar Cells. ACS Nano 8, 1601-1608 (2014).
25. Cheng, Y.-J. et al. Combination of Indene-C60 Bis-Adduct and Cross-Linked Fullerene Interlayer Leading to Highly Efficient Inverted Polymer Solar Cells. J. Am. Chem. Soc. 132, 17381-17383 (2010).
26. Yang, T. et al. Inverted polymer solar cells with 8.4% efficiency by conjugated polyelectrolyte. Energy Environ. Sci. 5, 8208-8214 (2012).
27. Tan, S. T. et al. p-type conduction in unintentional carbon-doped ZnO thin films. Appl. Phys. Lett. 91, 72101-3 (2007).
28. Maxwell, A. J. et al. Photoemission, autoionization, anti x-ray-absorption spectroscopy of ultrathin-film C6o on Au(110). Phys. Rev. B 49, 10717-10720 (1994).
29. Felicissimo, M. P. et al. Determination of vertical phase separation in a polyfluorene copolymer:fullerene derivative solar cell blend by X-ray photoelectron spectroscopy. J. Mater. Chem. 19, 4899-4901 (2009).
30. 2/Ar gas. Thin Solid Films 517, 4047-4051 (2009).
31. Yang, B. et al. Structural and optical properties of N-doped ZnO nanorod arrays. J. Phys. D: Appl. Phys. 42, 195402-5 (2009).
32. Sun, Y. et al. Inverted Polymer Solar Cells Integrated with a Low-Temperature-Annealed Sol-Gel-Derived ZnO Film as an Electron Transport Layer. Adv. Mater. 23, 1679-1683 (2011).
33. Game, O. et al. Concurrent synthetic control of dopant (nitrogen) and defect complexes to realize broadband (UV-650 nm) absorption in ZnO nanorods for superior photo-electrochemical performance. J. Mater. Chem. 22, 17302-17310 (2012).
34. Park, S.-M. et al. Structure and properties of transparent conductive doped ZnO films by pulsed laser deposition. Appl. Surf. Sci. 253, 1522-1527 (2006).
35. Cheng, Y.-S. et al. Physically adsorbed fullerene layer on positively charged sites on zinc oxide cathode affords efficiency enhancement in inverted polymer solar cell. ACS Appl. Mater. Interfaces 5, 6665-6671 (2013).
36. Moliton, A. et al. Review How to model the behaviour of organic photovoltaic cells. Polym Int. 55, 583-600 (2006).
37. Liao, S.-H. et al. Multiple Functionalities of Polyfluorene Grafted with Metal Ion-Intercalated Crown Ether as an Electron Transport Layer for Bulk-Heterojunction Polymer Solar Cells: Optical Interference, Hole Blocking, Interfacial Dipole, and Electron Conduction. J. Am. Chem. Soc. 134, 14271-14274 (2012).
38. Kong, J. et al. Top-Down Approach for Nanophase Reconstruction in Bulk Heterojunction Solar Cells. Adv. Mater. 26, 6275-6283 (2014).
39. Gupta, V. et al. Barium: An Efficient Cathode Layer for Bulk-heterojunction Solar Cells. Sci. Rep., DOI: 10.1038/srep01965 (2013).
40. 3-Al Composite Film as Cathode Buffer Layer. Adv. Mater. 24, 2774-2779 (2012).