Light localization at randomly textured surfaces for solar-cell applications

Rockstuhl, Carsten; Lederer, Falk; Bittkau, Karsten; Carius, Reinhard
October 2007
Applied Physics Letters;10/22/2007, Vol. 91 Issue 17, p171104
Academic Journal
By using a rigorous diffraction theory, the localization of light near textured zinc oxide (ZnO) surfaces is theoretically investigated and compared with experimental data obtained from scanning-near-field-optical microscopy. Although random by nature, these surfaces show well-defined geometrical features, which cause the formation of localized light patterns near the surface. Particularly, photon jets are observed to emerge from conical surface structures. Because these structures are of primary importance for applications in photovoltaics, we analyze the “real” surface topography of textured ZnO used in silicon solar cells. With this work, valuable insight is provided into the mechanism of light coupling through randomly textured interfaces.


Related Articles

  • Electro-hydrodynamic fabrication of ZnO-based dye sensitized solar cells. Sheng, X.; Zhao, Y.; Zhai, J.; Jiang, L.; Zhu, D. // Applied Physics A: Materials Science & Processing;Jul2007, Vol. 87 Issue 4, p715 

    The electro-hydrodynamic (EHD) technique has been successfully applied for manufacturing ZnO photoanode in dye sensitized solar cells (DSSCs). Porous structure of ZnO film after calcinations was beneficial to the absorption of dye and infiltration of electrolyte. By using ionic liquid as an...

  • An inverted organic solar cell employing a sol-gel derived ZnO electron selective layer and thermal evaporated MoO3 hole selective layer. Kyaw, A. K. K.; Sun, X. W.; Jiang, C. Y.; Lo, G. Q.; Zhao, D. W.; Kwong, D. L. // Applied Physics Letters;12/1/2008, Vol. 93 Issue 22, p221107 

    We reported an efficient inverted bulk-heterojunction [regioregular of poly(3-hexylthiophene): (6,6)-phenyl C61 butyric acid methyl ester] solar cell with a highly transparent sol-gel derived ZnO film as electron selective layer and MoO3 as hole selective layer. By modifying the precursor...

  • Facile construction of nanofibrous ZnO photoelectrode for dye-sensitized solar cell applications. Wei Zhang; Rui Zhu; Xizhe Liu; Bin Liu; Ramakrishna, Seeram // Applied Physics Letters;7/27/2009, Vol. 95 Issue 4, p043304 

    A facile method to prepare nanofibrous ZnO photoelectrodes with tunable thicknesses by electrospinning is reported. A “self-relaxation layer” is formed spontaneously between ZnO nanofibers and fluorine-doped SnO2 (FTO) substrate, which facilitates the release of interfacial tensile...

  • Sputtered deposited nanocrystalline ZnO films: A correlation between electrical, optical and microstructural properties. Lee, J.; Gao, W.; Li, Z.; Hodgson, M.; Metson, J.; Gong, H.; Pal, U. // Applied Physics A: Materials Science & Processing;May2005, Vol. 80 Issue 8, p1641 

    Zinc oxide thin films were prepared by dc (direct current) and rf (radio frequency) magnetron sputtering on glass substrates. ZnO films produced by dc sputtering have a high resistance, while the films produced using rf sputtering are significantly more conductive. While the conductive films...

  • The influence of the prefiring temperature on the structure and surface morphology of sol-gel derived ZnO film. HWANG, K. S.; HWANGBO, S.; KIM, J. T. // Materials Science (0137-1339);2009, Vol. 27 Issue 2, p159 

    C-axis oriented ZnO thin films were prepared on silica glass substrates by the sol-gel method using a zinc naphthenate precursor. As-deposited films were prefired at 250 °C for 60 min, at 350 °C for 30 min, and at 500 °C for 10 min, followed by final annealing at 600-900 °C in air....

  • Electrophotoluminescence of ZnO film. Ma, Xiangyang; Chen, Peiliang; Li, Dongsheng; Zhang, Yuanyuan; Yang, Deren // Applied Physics Letters;7/9/2007, Vol. 91 Issue 2, p021105 

    The electric-field-controlled photoluminescence (PL), i.e., electrophotoluminescence (EPL) of ZnO film has been investigated via a ZnO-based metal-insulator-semiconductor (MIS) structure on a silicon substrate applied with different biases. Compared with the PL of ZnO film in the case where...

  • Bulk acoustic wave analysis of crystalline plane oriented ZnO films. Wu, Sean; Lin, Zhi-Xun; Lee, Maw-Shung; Ro, Ruyen // Journal of Applied Physics;Oct2007, Vol. 102 Issue 8, p084908 

    Bulk acoustic wave (BAW) properties of piezoelectric layer are very important design parameters for film bulk acoustic wave resonator devices. In this research, BAW properties of all crystalline plane oriented sputtered and epitaxial ZnO films were analyzed theoretically. The (002), (004), and...

  • Single phase formation of Co-implanted ZnO thin films by swift heavy ion irradiation: Optical studies. Kumar, Ravi; Singh, Fouran; Angadi, Basavaraj; Choi, Ji-Won; Choi, Won-Kook; Jeong, Kwangho; Song, Jong-Han; Khan, M. Wasi; Srivastava, J. P.; Kumar, Ajay; Tandon, R. P. // Journal of Applied Physics;12/1/2006, Vol. 100 Issue 11, p113708 

    Low temperature photoluminescence and optical absorption studies on 200 MeV Ag+15 ion irradiated Co-implanted ZnO thin films were studied. The Co clusters present in as implanted samples were observed to be dissolved using 200 MeV Ag+15 ion irradiation with a fluence of 1×1012 ions/cm2. The...

  • Physics Properties Comparison Between Undoped ZnO and AZO, IZO Doped Thin Films Prepared By Spray Pyrolysis. Benouis, C. E.; Sanchez-Juarez, A.; Aida, M. S. // Journal of Applied Sciences;2007, Vol. 7 Issue 2, p220 

    In this study, the comparison of physics properties between undoped ZnO and Aluminium AZO and Indium IZO doped zinc oxide thin films was done. The most physics properties are structural as X-rays diffraction patterns, optical as reflectance and transmittance spectra and electrical as resistivity...


Read the Article


Sorry, but this item is not currently available from your library.

Try another library?
Sign out of this library

Other Topics