2015
DOI: 10.1016/j.solener.2015.04.043
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Quality improvement of screen-printed Al emitter by using SiO2 interfacial layer for industrial n-type silicon solar cells

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Cited by 7 publications
(4 citation statements)
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“…The inuence of the polished rear surface has been studied in our previous work. 7 Compared with the cells featuring a polished rear surface without an interfacial layer, further improvements in the electronic parameters due to the SiO 2 layer was evidenced.…”
Section: Solar Cellsmentioning
confidence: 99%
See 1 more Smart Citation
“…The inuence of the polished rear surface has been studied in our previous work. 7 Compared with the cells featuring a polished rear surface without an interfacial layer, further improvements in the electronic parameters due to the SiO 2 layer was evidenced.…”
Section: Solar Cellsmentioning
confidence: 99%
“…To achieve a more simplied and cost-efficient process while still being able to reach high efficiency, a screen-printing method is increasingly used in industrial crystalline cells. 4,5 The Al-p + region, which is alloyed from Al pastes, provides an ohmic contact and is commonly used as an emitter in new concept ntype cells, such as the n + np + front-contact cells [6][7][8][9][10] and the interdigitated back contact (IBC) cells. 11,12 Recent publications have indicated that the electrical properties of the Al-p + region and contacts signicantly inuence the cell performance and are considerably affected by the fabricating conditions.…”
Section: Introductionmentioning
confidence: 99%
“…Zanesco e Moehlecke (2015) reduziram significantemente estas fugas introduzindo uma região dopada com boro na face posterior, criando um emissor posterior seletivo de boro e alumínio. Outra forma de reduzir as fugas no emissor p + é evitando a texturação da face posterior e formando uma camada de SiO 2 sobre a lâmina de silício, depositando a pasta de alumínio posteriormente, como proposto por Wei et al (2015). Estes autores apresentaram resultados de células solares do tipo n + np + e a camada de SiO 2 na face posterior permitiu a obtenção de dispositivos com maior eficiência quântica interna (EQI) na faixa da radiação infravermelha, resultado de uma melhora na passivação de superfícies e refletância posterior quando comparado com os resultados de dispositivos fabricados somente com Al.…”
Section: Introductionunclassified
“…Mas o método por serigrafia é o mais viável economicamente e está sendo utilizado na indústria (Tatsch, 2019). Wei et al, (2015) produziram células solares com emissor posterior de alumínio formado por serigrafia e campo retrodifusor frontal de fósforo com área de 239 cm 2 e eficiência de 18,8 %. A tensão de circuito aberto alcançou o valor de 637 mV.…”
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