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Synthesis Of Novel Chalcogenopyrylium Dyes For Dye Sensitised Solar Cells
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Book Synopsis Synthesis of Novel Chalcogenopyrylium Dyes for Dye-sensitised Solar Cells by : Chi Wing Szeto
Download or read book Synthesis of Novel Chalcogenopyrylium Dyes for Dye-sensitised Solar Cells written by Chi Wing Szeto and published by . This book was released on 2015 with total page 45 pages. Available in PDF, EPUB and Kindle. Book excerpt: Novel chalcogenopyrylium dyes for dye-sensitized solar cells were synthesized, including monomethine dyes with different chalcogenopyrylium cores, dyes with phosphonate or symmetrical carboxylic acid anchoring groups, and dyes with electron-donating triphenylamine and N, N-dimethylphenylamine moieties. The synthetic strategy for chalcogenopyrylium dyes is to generate the key chalcogenopyranone intermediate initially, followed by condensation with 4-methylpyrylium dyes. The reactive anchoring carboxylic acid group was protected in the synthesis by an ethyl ester and the deprotection method of these dyes is developed in this thesis.
Book Synopsis Chalcogenopyrylium Dyes with Anchors to Nanoparticle and Semiconductor Surfaces by : Matthew Allen Bedics
Download or read book Chalcogenopyrylium Dyes with Anchors to Nanoparticle and Semiconductor Surfaces written by Matthew Allen Bedics and published by . This book was released on 2015 with total page 192 pages. Available in PDF, EPUB and Kindle. Book excerpt: Surface enhanced Raman scattering (SERS) has gained widespread attention as a biomedical imaging technique due to its multiplexing capabilities and the low limits of detection (LODs) of SERS-nanoprobes. The library of available reporter molecules, which are used to generate unique SERS spectra, was previously limited to commercially available dyes or a small group of cyanine reporters. Herein, the design and synthesis of a novel group of chalcogenopyrylium SERS reporters is described. These dyes have a high affinity for Au and absorption maxima that range into the NIR region. These reporter molecules enabled the use of the 1280 nm laser, which was previously incompatible with SERS imaging. Also, nanoprobe LODs using these dyes as reporters are lower than any previously documented systems, with a 100 aM LOD using a 785 nm excitation and multiple examples of fM to pM LODs using a 1064 nm or 1280 nm excitation source. Nanoprobes functionalized with these compounds have also been successfully utilized in vivo, and produce more intense SERS spectra as compared to a commonly used cyanine reporter. Dye sensitized solar cells (DSSCs) have produced considerable interest as an alternative to conventionally used Si-based solar cells. Specifically, DSSCs that use metal-free organic dyes as sensitizers are important due to the lower cost and the use of earth abundant materials as starting materials. Herein, a group of chalcogenopyrylium dyes were appended with an anchoring group to TiO2, which enables the use of these dyes as sensitizers. Structural modifications were used to extend absorption maxima into the near-infrared region of the light spectrum and to evaluate the effect that dye aggregation has on device performance. The monomethine dyes successfully produced a photocurrent, with incident photon to current efficiency values as high as 20%. Aggregation was found to benefit these systems due to the spectral broadening of aggregated dyes, and consequent increased range of wavelengths that produce a photocurrent.
Book Synopsis The Design and Synthesis of Novel Chalcogenopyrylium Dyes as Agents for Photodynamic Therapy by : Kristi Anne Leonard
Download or read book The Design and Synthesis of Novel Chalcogenopyrylium Dyes as Agents for Photodynamic Therapy written by Kristi Anne Leonard and published by . This book was released on 2000 with total page 280 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Design and Synthesis of Novel Chalcogenopyrylium Dyes for Use as Therapeutic Sensitizers in Photodynamic Therapy by : Nancy Kristin Brennan
Download or read book The Design and Synthesis of Novel Chalcogenopyrylium Dyes for Use as Therapeutic Sensitizers in Photodynamic Therapy written by Nancy Kristin Brennan and published by . This book was released on 2002 with total page 364 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Synthesis and Testing of New Dyes for Dye-sensitized Solar Cells by : Moneer Kadhm Mohsen
Download or read book Synthesis and Testing of New Dyes for Dye-sensitized Solar Cells written by Moneer Kadhm Mohsen and published by . This book was released on 2013 with total page 604 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Design and Synthesis of Novel Perylenemonoimide Dyes for Solar Energy Conversion by : Allison Elizabeth Curtze
Download or read book Design and Synthesis of Novel Perylenemonoimide Dyes for Solar Energy Conversion written by Allison Elizabeth Curtze and published by . This book was released on 2020 with total page 80 pages. Available in PDF, EPUB and Kindle. Book excerpt: While the protection offered by BH dyes affords photocathodes with long-term stability and high photocurrents in low pH aqueous conditions, p-DSPEC devices sensitized with BH4 have achieved less than ideal faradaic efficiencies attributed to catalyst decomposition. Thus, another new dye, cat-i, was designed and synthesized, featuring a pyridine moiety, which gives rise to the formation of a stable dye-catalyst supramolecule via axial coordination of the dye to the Co center of a well-known water reduction catalyst, Co(dmgBF2)2. Further, this dye-catalyst complexation could facilitate electron transfer from the photoexcited dye to the cobaloxime catalyst. When used as a sensitizer in a p-DSPEC device, the cat-i-cobaloxime complex exhibits significantly higher photocurrents than cat-i alone and produces H2 with 87% Faradaic efficiency.
Book Synopsis Chalcogenopyrylium Dyes by : Peter R. Virkler
Download or read book Chalcogenopyrylium Dyes written by Peter R. Virkler and published by . This book was released on 2001 with total page 126 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Synthesis of Organic Dyes for Dye Sensitised Solar Cells by : Ciaran Lyons
Download or read book Synthesis of Organic Dyes for Dye Sensitised Solar Cells written by Ciaran Lyons and published by . This book was released on 2013 with total page 211 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Synthesis and Evaluation of Novel Sensitizers for Dye-sensitized Solar Cells by : Boyang Chu
Download or read book Synthesis and Evaluation of Novel Sensitizers for Dye-sensitized Solar Cells written by Boyang Chu and published by . This book was released on 2015 with total page 98 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Synthesis of Solar Cell Dyes by : Yasmeen Abdullah Hameed
Download or read book The Synthesis of Solar Cell Dyes written by Yasmeen Abdullah Hameed and published by . This book was released on 2013 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Synthesis and Characterization of Transition Metal Based Dyes for the Application in Dye Sensitized Solar Cells by :
Download or read book Synthesis and Characterization of Transition Metal Based Dyes for the Application in Dye Sensitized Solar Cells written by and published by . This book was released on 2014 with total page 34 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Design and Synthesis of New Organic Dyes for Highly Efficient Dye-sensitized Solar Cells (DSSCs) by : Yong Hua
Download or read book Design and Synthesis of New Organic Dyes for Highly Efficient Dye-sensitized Solar Cells (DSSCs) written by Yong Hua and published by . This book was released on 2014 with total page 270 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Synthesis and Characterization of Organic Ligands and the Corresponding Ru Dyes for Dye-Sensitized Solar Cells by : Baharak Bakhshaei
Download or read book Synthesis and Characterization of Organic Ligands and the Corresponding Ru Dyes for Dye-Sensitized Solar Cells written by Baharak Bakhshaei and published by . This book was released on 2014 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Novel Organic Dyes for Enhanced Red to Near-IR Response in "dye Sensitised" Solar Cells by : Anthony Burke
Download or read book Novel Organic Dyes for Enhanced Red to Near-IR Response in "dye Sensitised" Solar Cells written by Anthony Burke and published by . This book was released on 2006 with total page 145 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Novel Indeno[2, 1-b]carbazole Donor-based Organic Dyes for Dye-sensitized Solar Cells by :
Download or read book Novel Indeno[2, 1-b]carbazole Donor-based Organic Dyes for Dye-sensitized Solar Cells written by and published by . This book was released on 2018 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Novel BODIPY Dyes for Dye-sensitized Solar Cells by : Hafsah Klfout
Download or read book Novel BODIPY Dyes for Dye-sensitized Solar Cells written by Hafsah Klfout and published by . This book was released on 2015 with total page 180 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Synthesis of Tethering Group on Borylazadipyrromethene Dyes to Apply to Photogalvanic Dye-sensitized Solar Cells by : Eunsol Park
Download or read book Synthesis of Tethering Group on Borylazadipyrromethene Dyes to Apply to Photogalvanic Dye-sensitized Solar Cells written by Eunsol Park and published by . This book was released on 2014 with total page 61 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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