Acta Optica Sinica, Volume. 35, Issue 6, 631002(2015)

Analysis of Amorphous Silicon Passivation Layer in Heterojunction Solar Cells by Spectroscopic Ellipsometry

Guo Wanwu1,2,3、*, Zhang Liping1, Bao Jian2, Meng Fanying1, Chen Yifeng2, Feng Zhiqiang2, and Liu Zhengxin1,3
Author Affiliations
  • 1[in Chinese]
  • 2[in Chinese]
  • 3[in Chinese]
  • show less
    References(36)

    [1] [1] Taguchi M, Terakawa A, Maruyama E, et al.. Obtaining a higher Voc in HIT cells[J]. Progress in Photovoltaics: Research and applications, 2005, 13(6): 481-488.

    [2] [2] Tanaka M, Taguchi M, Matsuyama T, et al.. Development of new a- Si/c- Si heterojunction solar cells: ACJ- HIT (artificially constructed junction-heterojunction with intrinsic thin-layer)[J]. Jpn J Appl Phys, 1992, 31(11): 3518-3522.

    [3] [3] Cleef M, Rath J, Rubinelli F, et al.. Performance of heterojunction p+ microcrystalline silicon n crystalline silicon solar cells[J]. J Appl Phys,1997, 82(12): 6089-6095.

    [4] [4] Rizzoli R, Centurioni E, Plá J , et al.. Open circuit voltage in homojunction and heterojunction silicon solar cells grown by VHFPECVD[J]. J Non Cryst Solids, 2002, 299-302: 1203-1207.

    [5] [5] Wang T H, waniko E I, M R Page, et al.. Effect of emitter deposition temperature on surface passivation in hot-wire chemical vapor deposited silicon heterojunction solar cells[J]. Thin Solid Films, 2006, 501(1-2): 284-287.

    [6] [6] Cao X, Stoke J, Li J, et al.. Fabrication and optimization of single-junction nc-Si:H n-i-p solar cells using Si:H phase diagram concepts developed by real time spectroscopic ellipsometry[J]. J Non Cryst Solids, 2008, 354: 2397-2402.

    [7] [7] Liu R C, Xia Z H, Wu Y G, et al.. Light trapping enhancement in thin film silicon solar cells with different front and back grating periodicities[J]. Chin Opt Lett, 2013, 11(12): 120501.

    [8] [8] Page M, Iwaniczko E, Xu Y, et al.. Amorphous/crystalline silicon heterojunction solar cells with varying i-layer thickness[J]. Thin Solid Films, 2011, 519(14): 4527-4530.

    [9] [9] Daoa V, Heoa J, Choi H, et al.. Simulation and study of the influence of the buffer intrinsic layer, back-surface field, densities of interface defects, resistivity of p-type silicon substrate and transparent conductive oxide on heterojunction with intrinsic thin-layer (HIT) solar cell[J]. Solar Energy, 2010, 84(5): 777-783.

    [10] [10] Fujiwara H, Kondo M, Impact of epitaxial growth at the heterointerface of a-Si:H∕c-Si solar cells[J]. Appl Phys Lett, 2007, 90(1): 013503.

    [11] [11] Wolf S, Kondo M. Abruptness of a-Si:H∕c-Si interface revealed by carrier lifetime measurements[J]. Appl Phys Lett, 2007, 90(4): 042111.

    [14] [14] Sangho K, Vinh A D, Chonghoon S, et al.. Low defect interface study of intrinsic layer for c-Si surface passivation in a-Si:H/c-Si heterojunction solar cells[J]. Thin Solid Films, 2012, 521: 45-49.

    [15] [15] Fujiwara H. Spectroscopic Ellipsometry: Principles and Applications[M]. Tokyo: Maruzen Co Lid Press, 2003: 174-176.

    [16] [16] Feng G F, Katiyar M, Abelson J R, et al.. Dielectric functions and electronic band states of a-Si and a-Si:H[J]. Phys Rev B, 1992, 45(16): 9103-9107.

    [17] [17] Tu Ye, Yang Wen, Yang Peizhi, et al.. Optical design and calculation of interlayer in thin film silicon tandem solar cells[J]. Acta Optica Sinica, 2014, 34(6): 0622006.

    [18] [18] Losurdo M, Roca F, Rosa R, et al.. Spectroscopic ellipsometry study of interfaces and crystallization behavior during annealing of a-Si:H films[J]. Thin Solid Films, 2001, 383(1-2): 69-72.

    [19] [19] Yu Wei, Dai Wanlei, Wang Xinzhan, et al.. Band tail photoluminescence of amorphous SiOx films[J]. Acta Optical Sinica, 2012, 32(7): 0731003.

    [21] [21] Lenski M, Comes F. Substrate temperature dependent photoelectrical and structural properties of a-Si:H deposited by hydrogen assisted chemical vapour deposition [J]. Thin Solid Films, 1996, 288(1): 337-345.

    [22] [22] Wolford D, Reimer J, Scott B. Efficient visible photoluminescence in the binary a-Si:Hx alloy system[J]. Appl Phys Lett, 1983, 42(4): 369-371.

    [23] [23] Furukawa S, Matsumoto N. Effects of polysilane formation on the optical and electrical properties of binary Si:H alloys[J]. Phys Phys Rev B, 1985, 31(4): 2114-2120.

    [24] [24] Ozlem P, Deneb M, Okan Y, et al.. Structural and interfacial properties of large area n-a-Si:H/i-a-Si:H/p-c-Si heterojunction solar cells[J]. Materials Science in Semiconductor Processing, 2014, 22: 69-75.

    [25] [25] Sakika N, Shishida Y, Miyazaki S, et al.. High-rate deposition of hydrogenated amorphous silicon films using inductively coupled silane plasma[J]. Solar Energy Materials & Solar Cells, 2001, 66(1): 337-343.

    [26] [26] Rysselberghe P V. Remarks concerning the clausius-mossotti law[J]. J Phys Chem, 1932, 36(4): 1152-1155.

    [27] [27] Aspones D E. Optical properties of thin films[J]. Thin Solid Films, 1982, 89(3): 249-262.

    [28] [28] Niklasson G A, Granqvist C G, Hunderi O. Effective medium models for the optical properties of inhomogeneous materials[J]. Appl Opt, 1981, 20(1): 26-30.

    [29] [29] Kessels W, Smets A, Marra D C, et al.. On the growth mechanism of a-Si:H[J]. Thin Solid Films, 2001, 383(1-2): 154-160.

    [30] [30] Kamei T, Ganguly G, Hata N, et al.. Defect determination kinetics during the growth of a-Si:H[J]. J Non Crysts Solids, 1993, 164-166: 43-46.

    [31] [31] Chen H, Gullanar M, Shen W. Effects of high hydrogen dilution on the optical and electrical properties in B-doped nc-Si:H thin films[J]. Journal of Crystal Growth, 2004, 260(1-2): 91-101.

    [32] [32] Ikeda T, Osborne I, Hata N, et al.. Enhancement of the deposition rate of a-Si:H by introduction of an electronegative molecule into a silane discharge[J]. J Non Cryst Solids, 1996, 198-200: 987-990.

    [33] [33] Gope J, Kumar S, Sudhakar S, et al.. Effect of silane flow rate on structural, electrical and optical properties of silicon thin films grown by VHF PECVD technique[J]. Materials Chemistry and Physics, 2013, 141(1): 89-94.

    [34] [34] Manfredotti C, Fizzotti F, Boero M, et al.. Influence of hydrogen-bonding configurations on the physical properties of hydrogenated amorphous silicon[J]. Phys Rev B, 1994, 50(24): 18046-18053.

    [35] [35] Dao V, Lee Y, Kim S, et al.. Interface characterization and electrical transport mechanisms in a-Si:H/c-Si heterojunction solar cells[J]. Journal of the electrochemical society, 2011, 158(3): H312-H317.

    [36] [36] Jellison G, Modine F. Parameterization of the optical functions of amorphous materials in the interband region[J]. Appl Phys Lett, 1996, 69(3): 371-373.

    Tools

    Get Citation

    Copy Citation Text

    Guo Wanwu, Zhang Liping, Bao Jian, Meng Fanying, Chen Yifeng, Feng Zhiqiang, Liu Zhengxin. Analysis of Amorphous Silicon Passivation Layer in Heterojunction Solar Cells by Spectroscopic Ellipsometry[J]. Acta Optica Sinica, 2015, 35(6): 631002

    Download Citation

    EndNote(RIS)BibTexPlain Text
    Save article for my favorites
    Paper Information

    Category: Thin Films

    Received: Feb. 2, 2015

    Accepted: --

    Published Online: May. 28, 2015

    The Author Email: Wanwu Guo (wanwu.guo@trinasolar.com)

    DOI:10.3788/aos201535.0631002

    Topics