Development of nanoparticle copper screen printing pastes for silicon heterojunction solar cells

•Copper screen printing pastes for silicon heterojunction solar cells were developed and optimised.•The paste formulations and curing conditions were evaluated for their printability, morphology and electrical properties.•The optimized paste formulation showed improved line resistance, suitable for...

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Bibliographic Details
Published in:Solar energy 2019-09, Vol.189, p.179-185
Main Authors: Teo, Boon Heng, Khanna, Ankit, Shanmugam, Vinodh, Aguilar, Ma Luisa Ortega, Delos Santos, Maryknol Estrada, Chua, Darius Jin Wen, Chang, Wei-Chen, Mueller, Thomas
Format: Article
Language:English
Subjects:
Cu nanoparticles
Low temperature curing
Screen printing
Silicon heterojunction
Solar cells
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Summary:•Copper screen printing pastes for silicon heterojunction solar cells were developed and optimised.•The paste formulations and curing conditions were evaluated for their printability, morphology and electrical properties.•The optimized paste formulation showed improved line resistance, suitable for silicon heterojunction solar cell applications. This paper reports the development of copper screen printing pastes for silicon heterojunction solar cells. Nanoparticle copper paste formulations with a varying amount of copper (percentage by weight) were evaluated in terms of printability, line resistance, and contact formation to Indium-Tin Oxide (ITO) transparent conductive oxide layers. The screen-printed Cu samples were cured under vacuum conditions (
ISSN:0038-092X
1471-1257
DOI:10.1016/j.solener.2019.07.055