Patterning and photoluminescent properties of perovskite-type organic/inorganic hybrid luminescent films by soft lithography

  • Z. Y. Cheng
  • , Z. Wang
  • , R. B. Xing
  • , Y. C. Han*
  • , J. Lin
  • *Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

Abstract

Perovskite-type organic/inorganic hybrid layered compound (C 6H5C2H4NH3) 2PbI4 was synthesized. The patterning of (C 6H5C2H4NH3) 2PbI4 thin films on silicon substrate was realized by the micromolding in capillaries (MIMIC) process, a kind of soft lithography. Bright green luminescent stripes with different widths (50, 15, 0.8 μm) have been obtained. The structure and optical properties of (C6H 5C2H4NH3)2PbI 4 films were characterized by X-ray diffraction (XRD), UV/Vis absorption and photoluminescence excitation and emission spectra, respectively. It is shown that the organic-inorganic layered (C6H5C 2H4NH3)2PbI4 film was c-axis oriented, paralleling to the substrate plane. Green exciton emission at 525 nm was observed in the film, and the explanations for it were given.

Original languageEnglish
Pages (from-to)481-486
Number of pages6
JournalChemical Physics Letters
Volume376
Issue number3-4
DOIs
StatePublished - 24 Jul 2003
Externally publishedYes

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