A Silicon nanocrystal schottky junction solar cell produced from colloidal silicon nanocrystals

Chin Yi Liu, Uwe R. Kortshagen

Research output: Contribution to journalArticlepeer-review

49 Scopus citations


Solution-processed semiconductors are seen as a promising route to reducing the cost of the photovoltaic device manufacture. We are reporting a single-layer Schottky photovoltaic device that was fabricated by spin-coating intrinsic silicon nanocrystals (Si NCs) from colloidal suspension. The thin-film formation process was based on Si NCs without any ligand attachment, exchange, or removal reactions. The Schottky junction device showed a photovoltaic response with a power conversion efficiency of 0.02%, a fill factor of 0.26, short circuit-current density of 0.148 mA/cm 2, and open-circuit voltage of 0.51 V.

Original languageEnglish (US)
Pages (from-to)1253-1256
Number of pages4
JournalNanoscale Research Letters
Issue number8
StatePublished - 2010

Bibliographical note

Funding Information:
Acknowledgments This work was supported primarily by the MRSEC Program of the National Science Foundation under Award Number DMR-0819885. Partial support through NSF grant CBET-0500332 is acknowledged. During part of this work, C.Y.L. was supported by a University of Minnesota Doctoral Dissertation Fellowship. We utilized the University of Minnesota Characterization Facility which receives partial support from the NSF under the NNIN program.


  • Schottky junction
  • Silicon nanocrystals
  • Solar cell
  • Thin film


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