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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 Univ, Dept Chem, Angstrom Labs, POB 523, S-75120 Uppsala, Sweden..
KTH, School of Engineering Sciences in Chemistry, Biotechnology and Health (CBH), Chemistry, Applied Physical Chemistry.ORCID iD: 0000-0001-8084-1181
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 Society Publishing , 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
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Other Engineering and Technologies
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URN: urn:nbn:se:kth:diva-257464DOI: 10.1098/rsos.190723ISI: 000479146300079PubMedID: 31417762Scopus ID: 2-s2.0-85070743581OAI: oai:DiVA.org:kth-257464DiVA, id: diva2:1347097
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QC 20190830

Available from: 2019-08-30 Created: 2019-08-30 Last updated: 2019-08-30Bibliographically approved

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Cong, JiayanKarlsson, Karl MartinKloo, Lars

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