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http://hdl.handle.net/1942/28191
Title: | Low‐Dimensional Hybrid Perovskites Containing an Organic Cation with an Extended Conjugated System: Tuning the Excitonic Absorption Features | Authors: | VAN GOMPEL, Wouter Van Hecke, Kristof HERCKENS, Roald RUTTENS, Bart D'HAEN, Jan LUTSEN, Laurence VANDERZANDE, Dirk |
Issue Date: | 2019 | Source: | ChemNanoMat, 5(3), p. 323-327 | Abstract: | Low‐dimensional hybrid perovskites are receiving increased attention. One of the advantages of the low‐dimensional hybrids over their 3D counterparts is their greater structural flexibility towards the incorporation of bigger, more complex, organic cations. In this communication, we introduce a pyrene derivative as an organic cation containing an extended π‐system for use in a variety of low‐dimensional hybrids. We show that materials with different excitonic absorption features can be obtained by tuning the iodide/lead ratio in the precursor solutions, using the same pyrene cation. In this way, hybrids with optical characteristics corresponding to 2D, 1D and 0D hybrid perovskites are obtained. The formation and thermal stability of the different hybrids is analysed and compared. | Notes: | Vanderzande, D (reprint author), Hasselt Univ, Inst Mat Res IMO IMOMEC, Hybrid Mat Design HyMaD, Martelarenlaan 42, B-3500 Hasselt, Belgium. dirk.vanderzande@uhasselt.be | Keywords: | excitons; low-dimensional; organic-inorganic hybrid composites; perovskite phases; stability | Document URI: | http://hdl.handle.net/1942/28191 | ISSN: | 2199-692X | e-ISSN: | 2199-692X | DOI: | 10.1002/cnma.201800561 | ISI #: | 000460338200009 | Category: | A1 | Type: | Journal Contribution | Validations: | ecoom 2020 |
Appears in Collections: | Research publications |
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Gompel_et_al-2019-ChemNanoMat.pdf Restricted Access | Published version | 1.58 MB | Adobe PDF | View/Open Request a copy |
Low-dimensional hybrid perovskites containing an organic cation.pdf Restricted Access | Peer-reviewed author version | 525.81 kB | Adobe PDF | View/Open Request a copy |
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