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  Preparation of Waterproof Organometal Halide Perovskite Photonic Crystal Beads

Chen, K., Schünemann, S., & Tüysüz, H. (2017). Preparation of Waterproof Organometal Halide Perovskite Photonic Crystal Beads. Angewandte Chemie International Edition, 56(23), 6648-6652. doi:10.1002/anie.201702556.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-002D-474A-5 Version Permalink: http://hdl.handle.net/11858/00-001M-0000-002D-82F4-6
Genre: Journal Article

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 Creators:
Chen, Kun1, Author              
Schünemann, Stephan1, Author              
Tüysüz, Harun1, Author              
Affiliations:
1Research Group Tüysüz, Max-Planck-Institut für Kohlenforschung, Max Planck Society, ou_1950290              

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Free keywords: organometal halide perovskites, PDMS, photonic crystal beads, slow photon effect, stability
 Abstract: Herein, we report on an innovative method for the preparation of a series of organometal halide perovskite (OHP) photonic crystal beads with pronounced and tunable photonic stop bands by using self-assembled polystyrene spheres as a mold. After infiltration of the mold with OHP precursor solution and slow drying, the OHPs crystallized in the voids of the polystyrene arrays. By controlling the diameter of the polystyrene spheres, the photonic stop band of the OHPs could be precisely tuned. The overlap between the photonic stop band of the beads and the band gap of the OHPs enhances the light harvesting of the perovskite because of the slow photon effect, which arises from the photonic crystal beads. Moreover, the stability of the composite was greatly enhanced by coating with the transparent polymer PDMS without blocking the light propagation. The coated OHP photonic beads kept their composition even after having been in contact with water for 24 h.

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Language(s): eng - English
 Dates: 2017-03-102017-05-022017-06-01
 Publication Status: Published in print
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Method: Peer
 Identifiers: DOI: 10.1002/anie.201702556
 Degree: -

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Title: Angewandte Chemie International Edition
  Abbreviation : Angew. Chem., Int. Ed.
  Abbreviation : Angew. Chem. Int. Ed.
  Other : Angewandte Chemie, International Edition
Source Genre: Journal
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Publ. Info: Weinheim : Wiley-VCH
Pages: - Volume / Issue: 56 (23) Sequence Number: - Start / End Page: 6648 - 6652 Identifier: ISSN: 1433-7851
CoNE: /journals/resource/1433-7851