Photocurrent enhancement in thin-film silicon solar cells by combination of anti-reflective sub-wavelength structures and light-trapping textures

Progress in Photovoltaics: Research and Applications

Volumn 23, Issue 11, 2015, Pages 1572-1580

  Sai, Hitoshi ^a   Matsui, Takuya ^a   Saito, Kimihiko ^b   Kondo, Michio ^a   Yoshida, Isao ^c  

^a NATIONAL INSTITUTE OF ADVANCED INDUSTRIAL SCIENCE AND TECHNOLOGY AIST   (Japan)

^b FUKUSHIMA UNIVERSITY   (Japan)

^c Photovoltaic Power Generation Technology Research Association PVTEC   (Japan)

Author keywords

anti reflection; light trapping; microcrystalline; moth eye structure; sub wavelength structure; thin film silicon

Indexed keywords

ANTIREFLECTION COATINGS; DIELECTRIC FILMS; LIGHT POLARIZATION; MICROCRYSTALLINE SILICON; MICROCRYSTALS; REFLECTIVE COATINGS; REFRACTIVE INDEX; TEXTURES; THIN FILM CIRCUITS; THIN FILM SOLAR CELLS; THIN FILMS;

ANTI REFLECTION; LIGHT-TRAPPING; MICROCRYSTALLINE; MOTH-EYE STRUCTURE; SUB-WAVELENGTH STRUCTURES; THIN FILM SILICON;

SILICON SOLAR CELLS;

EID: 84944150242     PISSN: 10627995     EISSN: 1099159X     Source Type: Journal    
DOI: 10.1002/pip.2594     Document Type: Article

References (29)

1. Zhao J, Wang A, Green MA,. 24.5% efficiency silicon pert cells on MCZ substrates and 24.7% efficiency PERL cells on FZ substrates. Progress in Photovoltaics: Research and Applications 1999; 7 (6): 471474.
2. Kerr MJ, Schmidt J, Cuevas A, Bultman JH,. Surface recombination velocity of phosphorus-diffused silicon solar cell emitters passivated with plasma enhanced chemical vapor deposited silicon nitride and thermal silicon oxide. Journal of Applied Physics 2011; 89 (7): 3821-3826.
3. Taguchi M, Yano A, Tohoda S, Matsuyama K, Nakamura Y, Nishiwaki T, Fujita K, Maruyama E,. 24.7% record efficiency HIT solar cell on thin silicon wafer. IEEE Journal of Photovoltaics 2014; 4 (1): 96-99.
4. Duerinckx F, Szlufcik J,. Defect passivation of industrial multicrystalline solar cells based on PECVD silicon nitride. Solar Energy Materials & Solar Cells 2002; 72 (1-4): 231-246.
5. Guha S, Yang J, Yan B,. High efficiency multi-junction thin film silicon cells incorporating nanocrystalline silicon. Solar Energy Materials & Solar Cells 2013; 119: 1-11.
6. Kang MH, Ryu K, Upadhyaya A, Rohatgi A,. Optimization of SiN AR coating for Si solar cells and modules through quantitative assessment of optical and efficiency loss mechanism. Progress in Photovoltaics: Research and Applications 2011; 19 (8): 983-990.
7. Yablonovitch E., Statistical ray optics. Journal of Optical Society of America 1982; 72 (7): 899-907.
8. Clapham PB, and, Hutley MC,. Reduction of lens reflection by the "Moth Eye" principle. Nature 1973; 244: 281-282.
9. Wilson SJ, Hutley MC,. The optical-properties of moth eye antireflection surfaces. Optica Acta 1982; 29 (7): 993.
10. Yamada N, Kim ON, Tokimitsu T, Nakai T, Masuda H,. Optimization of anti-reflection moth-eye structures for use in crystalline silicon solar cells. Progress in Photovoltaics: Research and Applications 2011; 19 (2): 134-140.
11. Yamada N, Ijiro T, Okamoto E, Hayashi K, Masuda H,. Characterization of antireflection moth-eye film on crystalline silicon photovoltaic module. Optics Express 2011; 19 (6): A118.
12. Sai H, Fujii H, Arafune K, Ohshita Y, Kanamori Y, Yugami H, Yamaguchi M,. Wide-angle antireflection effect of subwavelength structures for solar cells. Japanese Journal of Applied Physics 2007; 46 (6A): 3333-3336.
13. Boden SA, Bagnall DM,. Optimization of moth-eye antireflection schemes for silicon solar cells. Progress in Photovoltaics: Research and Applications 2010; 18 (3): 195-203.
14. Kanamori Y, Hane K, Sai H, Yugami H,. 100 nm period silicon antireflection structures fabricated using a porous alumina membrane mask. Applied Physics Letters 2002; 78 (2): 142-143.
15. Sun C-H, Ho BJ, Jiang B, Jiang P,. Biomimetic subwavelength antireflective gratings on GaAs. Optics Letters 2008; 33 (9): 2224-2226.
16. Tommila J, Polojärvi V, Aho A, Tukiainen A, Viheriälä J, Salmi J, Schramm A, Kontio JM, Turtiainen A, Niemi T, Guina M,. Nanostructured broadband antireflection coatings on AlInP fabricated by nanoimprint lithography. Solar Energy Materials & Solar Cells 2010; 94 (10): 1845-1848.
17. Escarré J, Söderström K, Despeisse M, Nicolay S, Battaglia C, Bugnon G, Ding L, Meillaud F, Haug F-J, Ballif C,. Geometric light trapping for high efficiency thin film silicon solar cells. Solar Energy Materials & Solar Cells 2012; 98 (3): 185-190.
18. Ulbrich C, Gerber A, Hermans K, Lambertz A, Rau W,. Analysis of short circuit current gains by an anti-reflective textured cover on silicon thin film solar cells. Progress in Photovoltaics: Research and Applications 2013; 21 (8): 1672-1681.
19. Fujiwara H,. Spectroscopic Ellipsometry: Principles and Applications. Wiley: Chichester, 2007; 32-48.
20. Aspnes DE,. Properties of Crystalline Silicon., Hull R, (ed.). Inspec; London, 1999; 683-690.
21. 3:Sn studied by spectroscopic ellipsometry: analysis of free-carrier and band-edge absorption. Physical Review B 2005; 71 (7), 075109:1-10.
22. Vazsonyi E, De Clercq K, Einhaus E, Van Kerschaver E, Said K,., Poortmans J, Szlufcik J, Nijs J,. Improved anisotropic etching process for industrial texturing of silicon solar cells. Solar Energy Materials & Solar Cells 1999; 57: 179-188.
23. Taflove A, Hagness SC,. Computational Electrodynamics: The Finite-Difference Time-Domain Method. Artech House; Boston & London, 2000; 67-106.
24. Sai H, Saito K, Hozuki N, Kondo M,. Relationship between the cell thickness and the optimum period of textured back reflectors in thin-film microcrystalline silicon solar cells. Applied Physics Letters 2013; 102 (5): 053509:1-5.
25. Sai H, Saito K, Kondo M,. Enhanced photocurrent and conversion efficiency in thin-film microcrystalline silicon solar cells using periodically textured back reflectors with hexagonal dimple arrays. Applied Physics Letters 2012; 101 (17): 173901:1-5.
26. Sai H, Koida T, Matsui T, Yoshida I, Saito K, Kondo M,. Microcrystalline silicon solar cells with 10.5% efficiency realized by improved photon absorption via periodic textures and highly transparent conductive oxide. Applied Physics Express 2013; 6 (10): 104101:1-4.
27. Chattopadhyay S, Huang YF, Jen YJ, Ganguly A, Chen KH, Chen LC,. Anti-reflecting and photonic nanostructures. Materials Science and Engineering R 2010; 69 (1-3): 1-35.
28. Song YM, Jeong Y, Yeo CI, Lee YT,. Enhanced power generation in concentrated photovoltaics using broadband antireflective coverglasses with moth eye structures. Optics Express 2012; 20 (23): A916.
29. Hamann L, Prönneke L, Werner JH,. Colored ribbons achieve +0.28% abs. Efficiency gain. IEEE Journal of Photovoltaics 2012; 2 (4): 494-498.