Emploi de lasers dans la technologie des photopiles

Müller, Jean-Claude; Siffert, P.

doi:10.1051/rphysap:01980001503061100

Rev. Phys. Appl. (Paris)

1980

DOI: 10.1051/rphysap:01980001503061100

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Emploi de lasers dans la technologie des photopiles

Jean-Claude Müller¹,

P. Siffert²

Abstract: Dans cet article on passe en revue les différentes applications des lasers de puissance continus ou impulsionnels dans la technologie des cellules solaires à base de silicium. On considère tout d'abord les différents modèles développés pour calculer les effets de ces flux lumineux intenses sur le silicium ; puis, on analyse les possibilités d'emploi de ces dispositifs pour préparer des films autosupportants ou des couches sur substrat. Finalement, trois méthodes de réalisation de la jonction sont décrites : ac… Show more

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1986

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References 69 publications

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Behavior of phosphine in a focused CO2 laser beam

Błażejowski¹,

Lampe²

1986

Journal of Applied Physics

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The energy absorption and decomposition ofPH 3 in a focused CO 2 laser beam exhibit a threshold nature. The effect oflaser frequency, pulse energy, pressure ofPH 3 , and the presence of a foreign gas (n.eo~) ~n the energy absorption and decomposition threshold were studied. The absorption of radIatIOn mcreases sharply at threshold and is always accompanied by a visible luminescence. ~l the experimental facts can be explained in terms of an electron avalanche process, driven by mverse bremsstrahlung absorption of energy from the field of a focused IR laser beam. The simplifie~ phenomenological theory of the dielectric breakdown of gases was applied to the explanatIOn of the threshold phenomena. The decomposition of phosphine was studied as a function of laser frequency, pressure of PH 3 , and in the presence of foreign gases. The only pro~~cts of the decomposition found were H2 in the gas phase and a solid deposit PH x • The partition of hydrogen between the gas and solid phases depends on the experimental conditions. A reaction scheme is presented which accounts satisfactorily for the experimental facts.

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Behavior of phosphine in a focused CO2 laser beam

Błażejowski¹,

Lampe²

1986

Journal of Applied Physics

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Emploi de lasers dans la technologie des photopiles

Cited by 1 publication

References 69 publications

Behavior of phosphine in a focused CO2 laser beam

Behavior of phosphine in a focused CO2 laser beam

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