4.5 Article

Laser-assisted nano particle deposition system and its application for dye sensitized solar cell fabrication

期刊

CIRP ANNALS-MANUFACTURING TECHNOLOGY
卷 61, 期 1, 页码 575-578

出版社

ELSEVIER
DOI: 10.1016/j.cirp.2012.03.094

关键词

Laser; Sintering; Nano particle deposition system

资金

  1. National Research Foundation of Korea (NRF)
  2. Korea government (MEST) [2010-0029227, 2009-0087380, 2011-0000267]
  3. National Research Foundation of Korea [2009-0087380, 2010-0029227] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)

向作者/读者索取更多资源

A novel fabrication process called laser-assisted nano particle deposition system (LaNPDS) was developed by integrating in situ laser irradiation process with the nano particle deposition system (NPDS). Energy is transferred from the 355 nm diode laser beam to nano particles flying through the supersonic nozzle before deposition. The laser helps local sintering of nano powders to form films free from thermal damage on the substrate. Nanoparticles of TiO2 were deposited on glass and polymer substrates using LaNPDS for the dye sensitized solar cell (DSSC), and their surface morphologies, cross-sections, crystallographic changes and mechanical properties (hardness and elastic modulus) were characterized by using various analytical methods. Finally, the cell efficiency was approximately doubled compared with the one without laser assistance. (C) 2012 CIRP.

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