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      Upconversion luminescence enhancement by Fe 3+ doping in CeO 2:Yb/Er nanomaterials and their application in dye-sensitized solar cells

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      Author(s): , , , , ,
      Publication date (Electronic, pub):
      Publication date (Electronic, collection):
      Journal: RSC Advances
      Publisher: The Royal Society of Chemistry

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          Abstract

          To make use of broad spectrum solar energy remains a main target in the photoelectrochemical area. Novel promising photoelectrode CeO 2:Fe/Yb/Er nanomaterials supported on upconversion nanomaterials doped with transition-metal ions are reported to improve broad spectrum absorption and scattering properties in dye-sensitized solar cells (DSSCs) for the first time. The results demonstrate that the materials have stronger upconversion luminescence than CeO 2:Yb/Er samples when the Fe 3+ ion doping concentration is 2 mol% and 33.5% higher photoelectric conversion efficiency than a pure P25 electrode, which are attributed to the special light scattering properties and excellent dye adsorption capacity of the CeO 2:Fe/Yb/Er nanomaterials. Accordingly, doping Fe 3+ transition metal ions in the upconversion material CeO 2:Yb/Er provides a new research idea for improving the photoelectric conversion efficiency of DSSCs.

          Abstract

          The Fe 3+-doping in CeO 2:Fe/Yb/Er enhances upconversion luminescence by destroying the symmetry of the crystal field around Er 3+, which improves DSSC performance.

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          Significant influence of TiO2 photoelectrode morphology on the energy conversion efficiency of N719 dye-sensitized solar cell

          Hironori Arakawa, Takeo Kashima, Hiroshi Kawauchi … (2004)
          Article 0 comments Cited 143 times – based on 0 reviews     Review now
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            Hierarchically mesostructured doped CeO2 with potential for solar-cell use.

            Avelino Corma, Pedro Atienzar, Hermenegildo Garcia … (2004)
            Many properties provided by supramolecular chemistry, nanotechnology and catalysis only appear in solids exhibiting large surface areas and regular porosity at the nanometre scale. In nanometre-sized particles, the ratio of the number of atoms in the surface to the number in the bulk is much larger than for micrometre-sized materials, and this can lead to novel properties. Here we report the preparation of a hierarchically structured mesoporous material from nanoparticles of CeO(2) of strictly uniform size. The synthesis involves self-assembly of these 5-nm CeO(2) pre-treated nanoparticles in the presence of a structure directing agent (poly(alkylene oxide) block polymer). The walls of this hexagonal structured CeO(2) material are formed from the primary nanoparticles. The material possesses large pore volumes, high surface areas, and marked thermal stability, allowing it to be easily doped after synthesis whilst maintaining textural and mechanical integrity. It also exhibits a photovoltaic response, which is directly derived from the nanometric particle size-normal CeO(2) does not show this response. We have constructed operational organic-dye-free solar cells using nanometric ceria particles (in both mesostructured or amorphous forms) as the active component, and find efficiencies that depend on the illuminating power.
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              Local Field Modulation Induced Three-Order Upconversion Enhancement: Combining Surface Plasmon Effect and Photonic Crystal Effect.

              Ze Yin, Shaobo Cui, Wen Xu … (2016)
              A 2D surface plasmon photonic crystal (SPPC) is achieved by implanting gold nanorods onto the periodic surface apertures of the poly(methyl methacrylate) (PMMA) opal photonic crystals. On the surface of the SPPC, the overall upconversion luminescence intensity of NaYF4 :Yb(3+) , Er(3+) under 980 nm excitation is improved more than 10(3) fold. The device is easily shifted to a transparent flexible substrate, applied to flexible displays.
              Article 0 comments Cited 67 times – based on 0 reviews     Review now
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                Author and article information

                Journal
                Journal ID (nlm-ta): RSC Adv
                Journal ID (iso-abbrev): RSC Adv
                Journal ID (publisher-id): RA
                Journal ID (coden): RSCACL
                Title: RSC Advances
                Publisher: The Royal Society of Chemistry
                ISSN (Electronic): 2046-2069
                Publication date (Electronic, pub): 19 May 2020
                Publication date (Electronic, collection): 14 May 2020
                Publication date PMC-release: 19 May 2020
                Volume: 10
                Issue: 32
                Pages: 18868-18874
                Affiliations
                [a] School of Chemistry and Chemical Engineering, Yangzhou University Yangzhou 225002 PR China jybai@ 123456yzu.edu.cn gwdiao@ 123456yzu.edu.cn
                [b] Guangling College, Yangzhou University Yangzhou 225002 PR China
                Author information
                https://orcid.org/0000-0002-8340-2093
                https://orcid.org/0000-0001-7470-4252
                Article
                Publisher ID: d0ra02308f
                DOI: 10.1039/d0ra02308f
                PMC ID: 9053950
                PubMed ID: 35518309
                SO-VID: b0d52f96-507a-40a8-9bdf-3d1199c15b92
                Copyright © This journal is © The Royal Society of Chemistry
                History
                Date received : 11 March 2020
                Date accepted : 7 May 2020
                Page count
                Pages: 7
                Funding
                Funded by: Priority Academic Program Development of Jiangsu Higher Education Institutions, doi 10.13039/501100012246;
                Award ID: Unassigned
                Funded by: National Natural Science Foundation of China, doi 10.13039/501100001809;
                Award ID: 20901065
                Award ID: 20973151
                Award ID: 21273195
                Award ID: 21671169
                Categories
                Subject: Chemistry
                Custom metadata
                pubstatus Paginated Article

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