1 / 9

Back contact materials of CIGS solar cell

Back contact materials of CIGS solar cell. Contact resistance Diffusion & Reaction Price. Electrical properties of MoSe 2. Parallel to c-axis 3690 Ω∙ cm 1 μ m – 0.37 Ω∙ cm 2. Perpendicular to c-axis 2.5 Ω∙ cm 1 μ m – 0.00025 Ω∙ cm 2. Ohmic contact. Ohmic contact.

walter
Download Presentation

Back contact materials of CIGS solar cell

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. Back contact materials of CIGS solar cell • Contact resistance • Diffusion & Reaction • Price

  2. Electrical properties of MoSe2 • Parallel to c-axis • 3690Ω∙cm • 1μm – 0.37Ω∙cm2 • Perpendicular to c-axis • 2.5Ω∙cm • 1μm – 0.00025Ω∙cm2

  3. Ohmic contact

  4. Ohmic contact Advantage : Electron barrier formation Disadvantage : Schottky barrier

  5. Metal-selenium reaction

  6. Metal-selenium reaction No selenide formation on Ni or Ni/Mo Diffusion barrier (native nickel oxide layer)

  7. Ni diffusion

  8. Electrical properties of MoSe2

  9. Sodium effect Sodium selenide serves role of selenium reservoir

More Related