Large scale and orientation-controllable nanotip structures on CuInS 2, Cu(In,Ga)S2, CuInSe2, and Cu(In,Ga)Se 2 by low energy ion beam bombardment process: Growth and characterization

Yu Ting Yen, Yi Chung Wang, Yu Ze Chen, Hung Wei Tsai, Fan Hu, Shih Ming Lin, Yi Ju Chen, Chih Chung Lai, Wenlong Liu, Tsang Hsiu Wang, Hwen Fen Hong, Yu Lun Chueh

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4 Citations (Scopus)

Abstract

One-step facile methodology to create nanotip arrays on chalcopyrite materials (such as CuInS2, Cu(In,Ga)S2, CuInSe 2, and Cu(In,Ga)Se2) via a low energy ion beam bombardment process has been demonstrated. The mechanism of formation for nanotip arrays has been proposed by sputtering yields of metals and reduction of metals induced by the ion beam bombardment process. The optical reflectance of these chalcopyrite nanotip arrays has been characterized by UV-vis spectrophotometer and the efficient light-trapping effect has been observed. Large scale (∼4′′) and high density (1010 tips/cm2) of chalcopyrite nanotip arrays have been obtained by using low ion energy (< 1 kV), short processing duration (< 30 min), and template-free. Besides, orientation and length of these chalcopyrite nanotip arrays are controllable. Our results can be the guide for other nanostructured materials fabrication by ion sputtering and are available for industrial production as well.

Original languageEnglish
Pages (from-to)8327-8336
Number of pages10
JournalACS Applied Materials and Interfaces
Volume6
Issue number11
DOIs
Publication statusPublished - 2014 Jun 11

All Science Journal Classification (ASJC) codes

  • Materials Science(all)

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