4.6 Article

Laser and electron beam-induced formation of Ag/Cr structures on Ag2CrO4

期刊

PHYSICAL CHEMISTRY CHEMICAL PHYSICS
卷 21, 期 11, 页码 6101-6111

出版社

ROYAL SOC CHEMISTRY
DOI: 10.1039/c8cp07263a

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资金

  1. CAPES [PNPD-1268069]
  2. FAPESP [2013/07296-2, 2013/26671-9]
  3. CNPq [304531/2013-8]
  4. Generalitat Valenciana [PrometeoII/2014/022, Prometeo/2016/079, ACOMP/2014/270, ACOMP/2015/1202]
  5. Ministerio de Economia y Competitividad [CTQ2015-65207-P, MAT2016-80410-P, FIS2016-75618-R]
  6. Ministry of Education Youth and Sports of the Czech Republic [LM2015073]
  7. European Union [CZ.02.1.01/0.0/0.0/16_019/0000843]
  8. Ministerio de Economia y Competitividad, Salvador Madariaga program [PRX15/00261]
  9. Universitat Jaume I [UJI-B2016-25, P11B2013-65, UJIB-2016-38]

向作者/读者索取更多资源

The interactions of silver chromate (Ag2CrO4) with a femtosecond (fs) laser and electron beam irradiations were investigated. For the first time, the growth and coalescence of metallic Ag nanoparticles (NPs) on an Ag2CrO4 surface via fs laser irradiation can be reported. Furthermore, electron beam irradiation causes a segregation process of Ag NPs in which Ag nanofilaments are obtained. The Ag2CrO4 particles were characterized using X-ray diffraction (XRD), micro-Raman spectroscopy (Raman), field-emission scanning electron microscopy (FE-SEM), high-resolution electron microscopy, and energy-dispersive X-ray spectroscopy (EDS). According to the results, the fs/electron beam irradiations of Ag2CrO4 are environmentally friendly, fast, and effective methods to produce metallic Ag NPs. Both strategies have enormous potential for the synthesis and morphological control of Ag NPs on templates or biotemplates, core-shells, decorations, and composites based on Ag2-xCrO4:Ag materials, which are difficult to synthesize using conventional chemical and physical methods.

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