Paper Title:
Thin-Film Silicon Solar Cells Using Back Reflector with Embedded Metal Nanoparticles
  Abstract

Light trapping in the absorber layer of thin-film solar cells is of great importance for obtaining a high photocurrent. A novel light-trapping technique is based on light scattering by metal nanoparticles through excitation of localized surface plasmons. By evaporation of thin silver layers of different thicknesses followed by thermal annealing, silver nanoparticles with different sizes were formed. We show that the plasmon resonance wavelength can be tuned by changing the embedding medium and the particle size. Furthermore, amorphous silicon solar cells with silver nanoparticles embedded between the absorber layer and the back reflector were fabricated. The effect of different sizes of the particles on the solar cell performance was studied. The performance of the solar cells was characterized by quantum efficiency and current-voltage measurements. Both the external quantum efficiency in the wavelength region of 600 to 800 nm and the current density increase as particle size increases, but remain lower than those of the reference device without particles. These results demonstrate that nanoparticles can enhance light trapping, provided that parasitic absorption in the nanoparticles is minimized. This can be achieved by better control of particle shape and size using improved fabrication techniques.

  Info
Periodical
Edited by
Pietro VINCENZINI, Kunihito KOUMOTO, Nicola ROMEO and Mark MEHOS
Pages
182-187
DOI
10.4028/www.scientific.net/AST.74.182
Citation
R. R. Liang, R. Santbergen, M. Zeman, "Thin-Film Silicon Solar Cells Using Back Reflector with Embedded Metal Nanoparticles", Advances in Science and Technology, Vol. 74, pp. 182-187, 2010
Online since
October 2010
Export
Price
$32.00
Share

In order to see related information, you need to Login.

In order to see related information, you need to Login.

Authors: Chien Jung Huang, Pin Hsiang Chiu, Yeong Her Wang
Abstract:This paper describes a sol-gel (SG) method for the coating of gold nanoparticles with uniform shells of amorphous silica. The thickness of...
797
Authors: H. Liu, N. Zhang, Zi Chao Shiah, X. Zhou
Abstract:This paper reports the fabrication, testing and characterization of an optofluidic sensor for biological sample detection at nanoscale. This...
91
Authors: V.L. Gayou, B. Salazar Hernández, R. Delgado Macuil, G. Zavala, P. Santiago, A.I. Oliva
Abstract:Zinc sulfide (ZnS), a representative of wide band gap semiconductor nanocrystals, has an excitonic Bohr radius (aBZnS ) of 2.5 nm. It makes...
125
Authors: Vladimir A. Vinokurov, Alexander V. Muradov, Michael Getmanskiy, Le Qiu, Edward Vitkin, Irving Itzkan, Lev T. Perelman
Chapter 2: Medical Diagnostics and Imaging
Abstract:In this paper we discuss the potential of nonspherical gold nanoparticles to serve as extremely bright light scattering labels for the...
51
Authors: Jun Tang, Huan Fei Wen, Peng Lan Chai, Jun Liu, Yun Bo Shi, Chen Yang Xue
Abstract:In this work, an interesting phenomenon demonstrating the similarities between the results from both Surface Enhanced Raman Spectroscopy...
33