Fine size Pb-based glass frit with spherical shape as the inorganic binder of Al electrode for Si solar cells

Jang Heui Yi, Hye Young Koo, Jung Hyun Kim, You Na Ko, Yun Chan Kang, Hye Moon Lee, Jung Yeul Yun

Research output: Contribution to journalArticle

14 Citations (Scopus)

Abstract

Pb-rich PbO-SiO2-B2O3-ZnO glass frits, which are used as an inorganic binder for Al electrodes for backside contact in single-crystalline or polycrystalline Si solar cells, were directly prepared by spray pyrolysis. Spherical glass frits with dense structure and an amorphous phase were prepared by spray pyrolysis at temperatures of 1100 and 1200 °C. The mean diameter and glass transition temperature (Tg) of the glass frits were 0.92 μm and 328.5 °C, respectively. The use of glass frits enhanced the contact between the Al powders in Al films and the films. The addition of glass frits also enhanced the adhesion properties of the conducting Al films. The sheet resistances of Al films with thicknesses of 14 and 37 μm that were formed from Al paste without glass frits at a firing temperature of 900 °C were 50.5 and 29.4 mΩ/sq, respectively, while those of Al films with thicknesses of 15 and 36 μm that were formed from Al paste with glass frits at the same firing temperature were 31.8 and 10.8 mΩ/sq, respectively.

Original languageEnglish
Pages (from-to)488-492
Number of pages5
JournalJournal of Alloys and Compounds
Volume490
Issue number1-2
DOIs
Publication statusPublished - 2010 Feb 4
Externally publishedYes

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Binders
Solar cells
Glass
Electrodes
Spray pyrolysis
Ointments
Conductive films
Sheet resistance
Powders
Temperature
Adhesion
Crystalline materials

Keywords

  • Chemical synthesis
  • Gas-solid reaction

ASJC Scopus subject areas

  • Mechanics of Materials
  • Mechanical Engineering
  • Metals and Alloys
  • Materials Chemistry

Cite this

Fine size Pb-based glass frit with spherical shape as the inorganic binder of Al electrode for Si solar cells. / Yi, Jang Heui; Koo, Hye Young; Kim, Jung Hyun; Ko, You Na; Kang, Yun Chan; Lee, Hye Moon; Yun, Jung Yeul.

In: Journal of Alloys and Compounds, Vol. 490, No. 1-2, 04.02.2010, p. 488-492.

Research output: Contribution to journalArticle

Yi, Jang Heui ; Koo, Hye Young ; Kim, Jung Hyun ; Ko, You Na ; Kang, Yun Chan ; Lee, Hye Moon ; Yun, Jung Yeul. / Fine size Pb-based glass frit with spherical shape as the inorganic binder of Al electrode for Si solar cells. In: Journal of Alloys and Compounds. 2010 ; Vol. 490, No. 1-2. pp. 488-492.
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