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Towards implementing hierarchical porous zeolitic imidazolate frameworks in dye-sensitized solar cells
Stockholm Univ, Dept Mat & Environm Chem, S-10691 Stockholm, Sweden;Assiut Univ, Dept Chem, Adv Multifunct Mat Lab, Assiut 71515, Egypt.ORCID iD: 0000-0002-3106-8302
Uppsala University, Disciplinary Domain of Science and Technology, Chemistry, Department of Chemistry - Ångström.
KTH Royal Inst Technol, Dept Chem, Appl Phys Chem, Tekn Ringen 30, S-10044 Stockholm, Sweden.
Stockholm Univ, Dept Mat & Environm Chem, S-10691 Stockholm, Sweden.
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2019 (English)In: Royal Society Open Science, E-ISSN 2054-5703, Vol. 6, no 7, article id 190723Article in journal (Refereed) Published
Abstract [en]

A one-pot method for encapsulation of dye, which can be applied for dye-sensitized solar cells (DSSCs), and synthesis of hierarchical porous zeolitic imidazolate frameworks (ZIF-8), is reported. The size of the encapsulated dye tunes the mesoporosity and surface area of ZIF-8. The mesopore size, Langmuir surface area and pore volume are 15 nm, 960-1500 m(2). g(-1) and 0.36-0.61 cm(3). g(-1), respectively. After encapsulation into ZIF-8, the dyes show longer emission lifetimes (greater than 4-8-fold) as compared to the corresponding non-encapsulated dyes, due to suppression of aggregation, and torsional motions.

Place, publisher, year, edition, pages
ROYAL SOC , 2019. Vol. 6, no 7, article id 190723
Keywords [en]
zeolitic imidazolate frameworks, hierarchical Porous ZIF-8, dye encapsulation, dye-sensitized solar cells, photophysical properties, emission lifetime
National Category
Materials Chemistry
Identifiers
URN: urn:nbn:se:uu:diva-393632DOI: 10.1098/rsos.190723ISI: 000479146300079PubMedID: 31417762OAI: oai:DiVA.org:uu-393632DiVA, id: diva2:1356731
Funder
Swedish Research CouncilKnut and Alice Wallenberg FoundationAvailable from: 2019-10-02 Created: 2019-10-02 Last updated: 2019-10-02Bibliographically approved

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Abdelhamid, Hani Nasser
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