About: Black silicon

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Black silicon is a semiconductor material, a surface modification of silicon with very low reflectivity and correspondingly high absorption of visible (and infrared) light. The modification was discovered in the 1980s as an unwanted side effect of reactive ion etching (RIE). Other methods for forming a similar structure include electrochemical etching, stain etching, metal-assisted chemical etching, and laser treatment (which is developed in Eric Mazur's laboratory at Harvard University).

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  • Schwarzes Silicium (bzw. umgangssprachlich ‚schwarzes Silizium‘, englisch black silicon) ist eine Oberflächenmodifikation des kristallinen Siliciums. Durch hochenergetischen Beschuss mit Ionen oder ultrakurzen Laserpulsen entstehen nadelförmige Strukturen auf der Oberfläche, die die Reflexion des Substrates stark verringern. Ursprünglich wurde diese Veränderung Mitte der 1980er Jahre beobachtet, damals war sie ein negativer Nebeneffekt beim reaktiven Ionentiefenätzen (DRIE). (de)
  • Black silicon is a semiconductor material, a surface modification of silicon with very low reflectivity and correspondingly high absorption of visible (and infrared) light. The modification was discovered in the 1980s as an unwanted side effect of reactive ion etching (RIE). Other methods for forming a similar structure include electrochemical etching, stain etching, metal-assisted chemical etching, and laser treatment (which is developed in Eric Mazur's laboratory at Harvard University). Black silicon has become a major asset to the solar photovoltaic industry as it enables greater light to electricity conversion efficiency of standard crystalline silicon solar cells, which significantly reduces their costs. (en)
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  • November 2016 (en)
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  • Schwarzes Silicium (bzw. umgangssprachlich ‚schwarzes Silizium‘, englisch black silicon) ist eine Oberflächenmodifikation des kristallinen Siliciums. Durch hochenergetischen Beschuss mit Ionen oder ultrakurzen Laserpulsen entstehen nadelförmige Strukturen auf der Oberfläche, die die Reflexion des Substrates stark verringern. Ursprünglich wurde diese Veränderung Mitte der 1980er Jahre beobachtet, damals war sie ein negativer Nebeneffekt beim reaktiven Ionentiefenätzen (DRIE). (de)
  • Black silicon is a semiconductor material, a surface modification of silicon with very low reflectivity and correspondingly high absorption of visible (and infrared) light. The modification was discovered in the 1980s as an unwanted side effect of reactive ion etching (RIE). Other methods for forming a similar structure include electrochemical etching, stain etching, metal-assisted chemical etching, and laser treatment (which is developed in Eric Mazur's laboratory at Harvard University). (en)
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  • Schwarzes Silicium (de)
  • Black silicon (en)
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