Dye-sensitized solar cells using fluorone-based ionic liquids with improved cell efficiency
| Autor(a) principal: | |
|---|---|
| Data de Publicação: | 2019 |
| Outros Autores: | , , , |
| Tipo de documento: | Artigo |
| Idioma: | eng |
| Título da fonte: | Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos) |
| Texto Completo: | http://hdl.handle.net/10362/92210 |
Resumo: | POCI-01-0145-FEDER-016387. POCI-01-0145-FEDER-007265. UID/QUI/50006/2019. LISBOA-01-0145-FEDER-402-022125. SFRH/BD/135087/2017. |
| id |
RCAP_6444d6384beaa6537e5fe9473fd35ed5 |
|---|---|
| oai_identifier_str |
oai:run.unl.pt:10362/92210 |
| network_acronym_str |
RCAP |
| network_name_str |
Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos) |
| repository_id_str |
7160 |
| spelling |
Dye-sensitized solar cells using fluorone-based ionic liquids with improved cell efficiencyRenewable Energy, Sustainability and the EnvironmentFuel TechnologyEnergy Engineering and Power TechnologySDG 7 - Affordable and Clean EnergyPOCI-01-0145-FEDER-016387. POCI-01-0145-FEDER-007265. UID/QUI/50006/2019. LISBOA-01-0145-FEDER-402-022125. SFRH/BD/135087/2017.Six trihexyltetradecylphosphonium chloride (P6,6,6,14Cl) based ionic liquids (IL) with dianionic fluorone derivatives were synthesized with total exchange of chloride from the dianionic dye: Fluorescein (a), Rose Bengal (b), Phloxine B (c), Eosin B (d), Eosin Y (e) and Erythrosin B (f). Spectroscopic characterization of these viscous salts indicated the presence of the expected 1 or 2 strong absorption bands. A total of 12 compounds, as sodium (from a to f) or as trihexyltetradecylphosphonium dianion salts (from a′ to f′), were used for sensitization of nanocrystalline TiO2. Here, we report the sensitization activity of these metal free dyes in terms of current-potential curve, open-circuit potential, fill factor, and overall solar energy conversion efficiency which have been evaluated under 100 mW cm-2 light intensity. We developed a strategy to improve the light harvesting of these conventional dyes by simple cationic exchange which was accompanied by a minimum of 30% increase in the cell photovoltaic conversion efficiency. Also, for Eosin B the binding to TiO2 apparently allows reduction of the-NO2 electron-withdrawing group to-NO22-. This provides a new interaction between the reduced nitro group and the TiO2 surface, reflecting an improvement in the overall DSSC performance reaching its maximum of 0.65% efficiency after light DSSC soaking. Factors that improve DSSC performance like aggregate inhibition, increment of the electrode's quasi-Fermi level and slight red shift in the absorption spectra of the tested anionic dyes were achieved by simple cationic exchange.LAQV@REQUIMTEDQ - Departamento de QuímicaUCIBIO - Applied Molecular Biosciences UnitRUNPinto, Ana L.Parola, A. JorgeLeal, João P.Coutinho, Isabel B.Pereira, Claúdia C. L.2022-03-14T01:31:33Z2019-01-012019-01-01T00:00:00Zinfo:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/article8application/pdfhttp://hdl.handle.net/10362/92210engPURE: 15832813https://doi.org/10.1039/c9se00783kinfo:eu-repo/semantics/openAccessreponame:Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos)instname:Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informaçãoinstacron:RCAAP2024-03-11T04:41:03Zoai:run.unl.pt:10362/92210Portal AgregadorONGhttps://www.rcaap.pt/oai/openaireopendoar:71602024-03-20T03:37:28.517669Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos) - Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informaçãofalse |
| dc.title.none.fl_str_mv |
Dye-sensitized solar cells using fluorone-based ionic liquids with improved cell efficiency |
| title |
Dye-sensitized solar cells using fluorone-based ionic liquids with improved cell efficiency |
| spellingShingle |
Dye-sensitized solar cells using fluorone-based ionic liquids with improved cell efficiency Pinto, Ana L. Renewable Energy, Sustainability and the Environment Fuel Technology Energy Engineering and Power Technology SDG 7 - Affordable and Clean Energy |
| title_short |
Dye-sensitized solar cells using fluorone-based ionic liquids with improved cell efficiency |
| title_full |
Dye-sensitized solar cells using fluorone-based ionic liquids with improved cell efficiency |
| title_fullStr |
Dye-sensitized solar cells using fluorone-based ionic liquids with improved cell efficiency |
| title_full_unstemmed |
Dye-sensitized solar cells using fluorone-based ionic liquids with improved cell efficiency |
| title_sort |
Dye-sensitized solar cells using fluorone-based ionic liquids with improved cell efficiency |
| author |
Pinto, Ana L. |
| author_facet |
Pinto, Ana L. Parola, A. Jorge Leal, João P. Coutinho, Isabel B. Pereira, Claúdia C. L. |
| author_role |
author |
| author2 |
Parola, A. Jorge Leal, João P. Coutinho, Isabel B. Pereira, Claúdia C. L. |
| author2_role |
author author author author |
| dc.contributor.none.fl_str_mv |
LAQV@REQUIMTE DQ - Departamento de Química UCIBIO - Applied Molecular Biosciences Unit RUN |
| dc.contributor.author.fl_str_mv |
Pinto, Ana L. Parola, A. Jorge Leal, João P. Coutinho, Isabel B. Pereira, Claúdia C. L. |
| dc.subject.por.fl_str_mv |
Renewable Energy, Sustainability and the Environment Fuel Technology Energy Engineering and Power Technology SDG 7 - Affordable and Clean Energy |
| topic |
Renewable Energy, Sustainability and the Environment Fuel Technology Energy Engineering and Power Technology SDG 7 - Affordable and Clean Energy |
| description |
POCI-01-0145-FEDER-016387. POCI-01-0145-FEDER-007265. UID/QUI/50006/2019. LISBOA-01-0145-FEDER-402-022125. SFRH/BD/135087/2017. |
| publishDate |
2019 |
| dc.date.none.fl_str_mv |
2019-01-01 2019-01-01T00:00:00Z 2022-03-14T01:31:33Z |
| dc.type.status.fl_str_mv |
info:eu-repo/semantics/publishedVersion |
| dc.type.driver.fl_str_mv |
info:eu-repo/semantics/article |
| format |
article |
| status_str |
publishedVersion |
| dc.identifier.uri.fl_str_mv |
http://hdl.handle.net/10362/92210 |
| url |
http://hdl.handle.net/10362/92210 |
| dc.language.iso.fl_str_mv |
eng |
| language |
eng |
| dc.relation.none.fl_str_mv |
PURE: 15832813 https://doi.org/10.1039/c9se00783k |
| dc.rights.driver.fl_str_mv |
info:eu-repo/semantics/openAccess |
| eu_rights_str_mv |
openAccess |
| dc.format.none.fl_str_mv |
8 application/pdf |
| dc.source.none.fl_str_mv |
reponame:Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos) instname:Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informação instacron:RCAAP |
| instname_str |
Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informação |
| instacron_str |
RCAAP |
| institution |
RCAAP |
| reponame_str |
Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos) |
| collection |
Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos) |
| repository.name.fl_str_mv |
Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos) - Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informação |
| repository.mail.fl_str_mv |
|
| _version_ |
1799137991226032128 |