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Dipicolinic acid: a strong anchoring group with tunable redox and spectral behavior for stable dye-sensitized solar cells
KTH, Skolan för kemivetenskap (CHE), Kemi, Organisk kemi. KTH, Skolan för kemivetenskap (CHE), Centra, Molekylär elektronik, CMD.ORCID-id: 0000-0001-6029-1688
KTH, Skolan för kemivetenskap (CHE), Kemi, Organisk kemi. KTH, Skolan för kemivetenskap (CHE), Centra, Molekylär elektronik, CMD. Uppsala University, Sweden.
KTH, Skolan för kemivetenskap (CHE), Kemi, Tillämpad fysikalisk kemi. KTH, Skolan för kemivetenskap (CHE), Centra, Molekylär elektronik, CMD.ORCID-id: 0000-0001-5115-4593
Vise andre og tillknytning
2015 (engelsk)Inngår i: Chemical Communications, ISSN 1359-7345, E-ISSN 1364-548X, Vol. 51, nr 18, s. 3858-3861Artikkel i tidsskrift (Fagfellevurdert) Published
Abstract [en]

Dipicolinic acidwas investigated as a new anchoring group for DSSCs. A pilot dye (PD2) bearing this new anchoring group was found to adsorb significantly stronger to TiO2 than its cyanoacrylic acid analogue. The electrolyte composition was found to have a strong effect on the photoelectrochemical properties of the adsorbed dye in the device, allowing the dye LUMO energy to be tuned by 0.5 eV. Using a pyridine-free electrolyte, panchromatic absorption of the dye on TiO2 extending to 900 nm has been achieved. Solar cells using PD2 and a Co(bpy)(3) based electrolyte showed unique stability under simulated sunlight and elevated temperatures.

sted, utgiver, år, opplag, sider
2015. Vol. 51, nr 18, s. 3858-3861
Emneord [en]
Core-Level Shift, Electrolytes, Additives, Molecules
HSV kategori
Identifikatorer
URN: urn:nbn:se:kth:diva-163486DOI: 10.1039/c4cc06432aISI: 000349990600035PubMedID: 25655483Scopus ID: 2-s2.0-84923136577OAI: oai:DiVA.org:kth-163486DiVA, id: diva2:800556
Forskningsfinansiär
Knut and Alice Wallenberg FoundationSwedish Energy AgencyVINNOVASwedish Research Council
Merknad

QC 20150407

Tilgjengelig fra: 2015-04-07 Laget: 2015-04-07 Sist oppdatert: 2017-12-04bibliografisk kontrollert

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