Author:
Yuan Fangda,Li Zhengcao,Zhang Tianci,Miao Wei,Zhang Zhengjun
Abstract
Abstract
Large-area periodically aligned silicon nanopillar (PASiNP) arrays were fabricated by magnetic sputtering with glancing angle deposition (GLAD) on substrates coated by a monolayer of close-packed polystyrene (PS) nanospheres. The structure of PASiNP arrays could be manipulated by changing the diameter of PS nanospheres. Enhanced light absorptance within a wavelength range from 300 to 1,000 nm was observed as the diameter of nanopillars and porosity of PASiNP arrays increased. Meanwhile, Xe ion irradiation with dose from 1 × 1014 to 50 × 1014 ions/cm2 was employed to modify the surface morphology and top structure of thin films, and the effect of the irradiation on the optical bandgap was discussed.
PACS code
81.15.Cd; 78.66.Jg; 61.80.Jh
Publisher
Springer Science and Business Media LLC
Subject
Condensed Matter Physics,General Materials Science
Cited by
18 articles.
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