Omnidirectional antireflection polymer films nanoimprinted by density-graded nanoporous silicon and image improvement in display panel

Optics Express

Volumn 21, Issue 24, 2013, Pages 29827-29835

  Ho, Yu Hsuan ^a,b   Ting, Kuan Han ^a,c   Chen, Kuan Yu ^b   Liu, Shun Wei ^d   Tian, Wei Cheng ^b   Wei, Pei Kuen ^a,c  

^a RESEARCH CENTER FOR APPLIED SCIENCES   (Taiwan)

^b NATIONAL TAIWAN UNIVERSITY   (Taiwan)

^c NATIONAL TAIWAN OCEAN UNIVERSITY   (Taiwan)

^d MING CHI UNIVERSITY OF TECHNOLOGY   (Taiwan)

Author keywords

[No Author keywords available]

Indexed keywords

LIGHT REFLECTION; NANOSTRUCTURES; POLYCARBONATES; POLYMER FILMS;

AMBIENT ILLUMINATION; ANTI-REFLECTION; CONTRAST RATIO; IMAGE IMPROVEMENT; LUMINOUS INTENSITY; NANO-POROUS SILICON; QUALITY INDICES; VISIBLE WAVELENGTHS;

SILICON;

EID: 84890112176     PISSN: None     EISSN: 10944087     Source Type: Journal    
DOI: 10.1364/OE.21.029827     Document Type: Article

References (39)

1. P. Clapham and M. Hutley, "Reduction of lens reflexion by the "Moth Eye" principle," Nature 244(5414), 281-282 (1973).
2. H. K. Raut, V. A. Ganesh, A. S. Nair, and S. Ramakrishna, "Anti-reflective coatings: A critical, in-depth review," Energy Environ. Sci. 4(10), 3779-3804 (2011).
3. W. Luk, K. Yeung, K. Tam, K. Ng, K. Kwok, C. Kwong, A. Ng, and A. Djurišić, "Enhanced conversion efficiency of polymeric photovoltaic cell by nanostructured antireflection coating," Org. Electron. 12(4), 557-561 (2011).
4. J. Cai, J. Ye, S. Chen, X. Zhao, D. Zhang, S. Chen, Y. Ma, S. Jin, and L. Qi, "Self-cleaning, broadband and quasi-omnidirectional antireflective structures based on mesocrystalline rutile TiO2 nanorod arrays," Energy Environ. Sci. 5(6), 7575-7581 (2012).
5. J. W. Leem, Y. Yeh, and J. S. Yu, "Enhanced transmittance and hydrophilicity of nanostructured glass substrates with antireflective properties using disordered gold nanopatterns," Opt. Express 20(4), 4056-4066 (2012).
6. Y.-H. Ho, C.-C. Liu, S.-W. Liu, H. Liang, C.-W. Chu, and P.-K. Wei, "Efficiency enhancement of flexible organic light-emitting devices by using antireflection nanopillars," Opt. Express 19(S3), A295-A302 (2011).
7. H. K. Raut, S. S. Dinachali, A. Y. He, V. A. Ganesh, M. S. Saifullah, J. Law, and S. Ramakrishna, "Robust and durable polyhedral oligomeric silsesquioxane-based anti-reflective nanostructures with broadband quasi-omnidirectional properties," Energy Environ. Sci. 6(6), 1929-1937 (2013).
8. W. H. Southwell, "Gradient-index antireflection coatings," Opt. Lett. 8(11), 584-586 (1983).
9. M. J. Minot, "Single-layer, gradient refractive index antireflection films effective from 0.35 to 2.5 μ," J. Opt. Soc. Am. 66(6), 515-519 (1976).
10. S. Walheim, E. Schäffer, J. Mlynek, and U. Steiner, "Nanophase-separated polymer films as high-performance antireflection coatings," Science 283(5401), 520-522 (1999).
11. Y. Li, J. Zhang, S. Zhu, H. Dong, F. Jia, Z. Wang, Z. Sun, L. Zhang, Y. Li, and H. Li, "Biomimetic surfaces for high-performance optics," Adv. Mater. 21, 4731-4734 (2009).
12. Y.-C. Lee, C.-C. Chang, and Y.-Y. Chou, "Experimental and simulation studies of anti-reflection sub-micron conical structures on a GaAs substrate," Opt. Express 21(S1), A36-A41 (2013).
13. J. Li, C. Li, C. Chen, Q. Hao, Z. Wang, J. Zhu, and X. Gao, "Facile method for modulating the profiles and periods of self-ordered three-dimensional alumina taper-nanopores," ACS Appl. Mater. Interfaces 4(10), 5678-5683 (2012).
14. K.-C. Park, H. J. Choi, C.-H. Chang, R. E. Cohen, G. H. McKinley, and G. Barbastathis, "Nanotextured silica surfaces with robust superhydrophobicity and omnidirectional broadband supertransmissivity," ACS Nano 6(5), 3789-3799 (2012).
15. K. Choi, S. H. Park, Y. M. Song, Y. T. Lee, C. K. Hwangbo, H. Yang, and H. S. Lee, "Nano-tailoring the surface structure for the monolithic high-performance antireflection polymer film," Adv. Mater. 22(33), 3713-3718 (2010).
16. K. Choi, S. H. Park, Y. M. Song, C. Cho, and H. S. Lee, "Robustly nano-tailored honeycomb structure for high-throughput antireflection polymer films," J. Mater. Chem. 22(33), 17037-17043 (2012).
17. H. M. Branz, V. E. Yost, S. Ward, K. M. Jones, B. To, and P. Stradins, "Nanostructured black silicon and the optical reflectance of graded-density surfaces," Appl. Phys. Lett. 94(23), 231121 (2009).
18. L. Schirone, G. Sotgiu, and F. Califano, "Chemically etched porous silicon as an anti-reflection coating for high efficiency solar cells," Thin Solid Films 297(1-2), 296-298 (1997).
19. T. Chow, P. Maciel, and G. Fanelli, "Reactive ion etching of silicon in CCl4 and HCl plasmas," J. Electrochem. Soc. 134(5), 1281-1286 (1987).
20. F. Nicoll, "Anomalous interference films on glass by chemical treatment," J. Opt. Soc. Am. 42(4), 241-242 (1952).
21. Y. Li, F. Li, J. Zhang, C. Wang, S. Zhu, H. Yu, Z. Wang, and B. Yang, "Improved light extraction efficiency of white organic light-emitting devices by biomimetic antireflective surfaces," Appl. Phys. Lett. 96(15), 153305 (2010).
22. S. Ji, J. Park, and H. Lim, "Improved antireflection properties of moth eye mimicking nanopillars on transparent glass: flat antireflection and color tuning," Nanoscale 4(15), 4603-4610 (2012).
23. X. Li, L. Xue, and Y. Han, "Broadband antireflection of block copolymer/homopolymer blend films with gradient refractive index structures," J. Mater. Chem. 21(15), 5817-5826 (2011).
24. J. K. Kim, S. Chhajed, M. F. Schubert, E. F. Schubert, A. J. Fischer, M. H. Crawford, J. Cho, H. Kim, and C. Sone, "Light-extraction enhancement of GaInN light-emitting diodes by graded-refractive-index indium tin oxide anti-reflection contact," Adv. Mater. 20(4), 801-804 (2008).
25. J.-Q. Xi, M. F. Schubert, J. K. Kim, E. F. Schubert, M. Chen, S.-Y. Lin, W. Liu, and J. A. Smart, "Optical thin-film materials with low refractive index for broadband elimination of Fresnel reflection," Nat. Photonics 1, 176-179 (2007).
26. M.-L. Kuo, D. J. Poxson, Y. S. Kim, F. W. Mont, J. K. Kim, E. F. Schubert, and S.-Y. Lin, "Realization of a near-perfect antireflection coating for silicon solar energy utilization," Opt. Lett. 33(21), 2527-2529 (2008).
27. H.-C. Yuan, V. E. Yost, M. R. Page, P. Stradins, D. L. Meier, and H. M. Branz, "Efficient black silicon solar cell with a density-graded nanoporous surface: Optical properties, performance limitations, and design rules," Appl. Phys. Lett. 95(12), 123501 (2009).
28. J. Y. Chen, W. L. Chang, C. K. Huang, and K. W. Sun, "Biomimetic nanostructured antireflection coating and its application on crystalline silicon solar cells," Opt. Express 19(15), 14411-14419 (2011).
29. P.-S. Lee, O.-J. Lee, S.-K. Hwang, S.-H. Jung, S. E. Jee, and K.-H. Lee, "Vertically aligned nanopillar arrays with hard skins using anodic aluminum oxide for nano imprint lithography," Chem. Mater. 17(24), 6181-6185 (2005).
30. W. Zhou, X. Niu, G. Min, Z. Song, J. Zhang, Y. Liu, X. Li, J. Zhang, and S. Feng, "Porous alumina nano-membranes: Soft replica molding for large area UV-nanoimprint lithography," Microelectron. Eng. 86(12), 2375-2380 (2009).
31. H. Deniz, T. Khudiyev, F. Buyukserin, and M. Bayindir, "Room temperature large-area nanoimprinting for broadband biomimetic antireflection surfaces," Appl. Phys. Lett. 99(18), 183107 (2011).
32. C.-J. Ting, M.-C. Huang, H.-Y. Tsai, C.-P. Chou, and C.-C. Fu, "Low cost fabrication of the large-area anti-reflection films from polymer by nanoimprint/hot-embossing technology," Nanotechnology 19(20), 205301 (2008).
33. J.-T. Wu, S.-Y. Yang, W.-C. Deng, and W.-Y. Chang, "A novel fabrication of polymer film with tapered sub-wavelength structures for anti-reflection," Microelectron. Eng. 87(10), 1951-1954 (2010).
34. M.-N. Lin, M.-T. Lin, C. Y. Liu, M. Lai, N. Liu, C. Peng, H. Wang, and Y. Wang, "Long-range ordered nanoaperture array with uniform diameter and interpore spacing," Appl. Phys. Lett. 87, 173116 (2005).
35. Y.-T. Chang, S.-W. Liu, C.-H. Yuan, Y.-H. Ho, K.-Y. Chen, Y.-T. Lee, M.-F. Wu, C.-C. Lee, P.-K. Wei, C.-T. Chen, and C.-I. Wu, "Comparison of light out-coupling enhancements in single-layer blue-phosphorescent organic light emitting diodes using small-molecule or polymer hosts," J. Appl. Phys. 114, 173106 (2013).
36. K.-Y. Chen, Y.-T. Chang, Y.-H. Ho, H.-Y. Lin, J.-H. Lee, and M.-K. Wei, "Emitter apodization dependent angular luminance enhancement of microlens-array film attached organic light-emitting devices," Opt. Express 18(4), 3238-3243 (2010).
37. H.-Y. Lin, Y.-H. Ho, J.-H. Lee, K.-Y. Chen, J.-H. Fang, S.-C. Hsu, M.-K. Wei, H.-Y. Lin, J.-H. Tsai, and T.-C. Wu, "Patterned microlens array for efficiency improvement of small-pixelated organic light-emitting devices," Opt. Express 16(15), 11044-11051 (2008).
38. Z. Wang and A. C. Bovik, "A universal image quality index," IEEE Signal Process. Lett. 9(3), 81-84 (2002).
39. Z. Wu, L. Wang, and Y. Qiu, "Contrast-enhancement in organic light-emitting diodes," Opt. Express 13(5), 1406-1411 (2005).