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Journal articles on the topic 'Dyes for Panchromatic'

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Author: Grafiati
Published: 6 September 2023

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1

Manz, Noah B., and Paul A. Fuierer. "Mathematical Approach to Optimizing the Panchromatic Absorption of Natural Dye Combinations for Dye-Sensitized Solar Cells." Colorants 2, no. 1 (March 2, 2023): 90–110. http://dx.doi.org/10.3390/colorants2010007.

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The goal of this work was to optimize the combination of natural dyes producing panchromatic absorption matched to the AM1.5 solar spectrum for use in dye sensitized solar cells (DSSCs). Six classes of dyes (Anthocyanins, Betalins, Chlorophyll, Xanthonoids, Curcuminoids and Phycobilins) were explored. UV-Vis data and radial basis function interpolation were used to model the absorbance of 2568 combinations, and three objective functions determined the most commensurable spectrum. TiO2 anodes were sensitized with 42 dye combinations and IV measurements made on simple cells. The absorbance-optimized combination yielded an efficiency of only 0.41%, compared to 1.31% for a simple 1:1 molar ratio of Curcuminoids and α-Mangostin, which showed symbiotic effects. Our results indicate that panchromatic absorption alone is not sufficient to predict optimal DSSC performance, although the mathematical approach may have broader application.
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2

Malzner, Frederik J., Markus Willgert, Edwin C. Constable, and Catherine E. Housecroft. "The way to panchromatic copper(i)-based dye-sensitized solar cells: co-sensitization with the organic dye SQ2." Journal of Materials Chemistry A 5, no. 26 (2017): 13717–29. http://dx.doi.org/10.1039/c7ta02575k.

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DSCs co-sensitized with a copper(i)-based dye and an organic dye achieve the highest photoconversion efficiency relative to N719 so far reported for a copper-based DSC. The procedure by which the photoanodes are exposed to the two dyes is optimized for panchromatic light-harvesting.
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3

Huaulmé, Quentin, Cyril Aumaitre, Outi Vilhelmiina Kontkanen, David Beljonne, Alexandra Sutter, Gilles Ulrich, Renaud Demadrille, and Nicolas Leclerc. "Functional panchromatic BODIPY dyes with near-infrared absorption: design, synthesis, characterization and use in dye-sensitized solar cells." Beilstein Journal of Organic Chemistry 15 (July 24, 2019): 1758–68. http://dx.doi.org/10.3762/bjoc.15.169.

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We report two novel functional dyes based on a boron-dipyrromethene (BODIPY) core displaying a panchromatic absorption with an extension to the near-infrared (NIR) range. An innovative synthetic approach for preparing the 2,3,5,6-tetramethyl-BODIPY unit is disclosed, and a versatile way to further functionalize this unit has been developed. The optoelectronic properties of the two dyes were computed by density functional theory modelling (DFT) and characterized through UV–vis spectroscopy and cyclic voltammetry (CV) measurements. Finally, we report preliminary results obtained using these functional dyes as photosensitizers in dye-sensitized solar cells (DSSCs).
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4

Syu, Yu-Kai, Yogesh Tingare, Chen-Yu Yeh, Jih-Sheng Yang, and Jih-Jen Wu. "Panchromatic engineering for efficient zinc oxide flexible dye-sensitized solar cells using porphyrin and indoline dyes." RSC Advances 6, no. 64 (2016): 59273–79. http://dx.doi.org/10.1039/c6ra09262d.

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5

Islam, Ashraful, Towhid H. Chowdhury, Chuanjiang Qin, Liyuan Han, Jae-Joon Lee, Idriss M. Bedja, Md Akhtaruzzaman, Kamaruzzaman Sopian, Antoine Mirloup, and Nicolas Leclerc. "Panchromatic absorption of dye sensitized solar cells by co-Sensitization of triple organic dyes." Sustainable Energy & Fuels 2, no. 1 (2018): 209–14. http://dx.doi.org/10.1039/c7se00362e.

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Dye sensitized solar cells (DSSCs) were co-sensitized with three custom molecularly engineered organic dyes containing butyloxyl chain induced dye (Y1), boron dipyrromethene (bodipy) dye (TP2A), and squaraine (SQ) ring configured dye (HSQ4).
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6

Nano, Adela, Maria Pia Gullo, Barbara Ventura, Nicola Armaroli, Andrea Barbieri, and Raymond Ziessel. "Panchromatic luminescence from julolidine dyes exhibiting excited state intramolecular proton transfer." Chemical Communications 51, no. 16 (2015): 3351–54. http://dx.doi.org/10.1039/c4cc09832c.

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7

Paek, Sanghyun, Hyunbong Choi, Chulwoo Kim, Nara Cho, Seulgi So, Kihyung Song, Mohammad K. Nazeeruddin, and Jaejung Ko. "Efficient and stable panchromatic squaraine dyes for dye-sensitized solar cells." Chemical Communications 47, no. 10 (2011): 2874. http://dx.doi.org/10.1039/c0cc05378c.

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8

Bura, Thomas, Pascal Retailleau, and Raymond Ziessel. "Efficient Synthesis of Panchromatic Dyes for Energy Concentration." Angewandte Chemie International Edition 49, no. 37 (August 2, 2010): 6659–63. http://dx.doi.org/10.1002/anie.201003206.

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9

Bura, Thomas, Pascal Retailleau, and Raymond Ziessel. "Efficient Synthesis of Panchromatic Dyes for Energy Concentration." Angewandte Chemie 122, no. 37 (August 2, 2010): 6809–13. http://dx.doi.org/10.1002/ange.201003206.

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10

Imae, Ichiro, Yohei Ito, Shun Matsuura, and Yutaka Harima. "Panchromatic dyes having diketopyrrolopyrrole and ethylenedioxythiophene applied to dye-sensitized solar cells." Organic Electronics 37 (October 2016): 465–73. http://dx.doi.org/10.1016/j.orgel.2016.07.022.

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11

Ooyama, Yousuke, Masahiro Kanda, Toshiaki EnoKi, Yohei Adachi, and Joji Ohshita. "Synthesis, optical and electrochemical properties, and photovoltaic performance of a panchromatic and near-infrared (D)2–π–A type BODIPY dye with pyridyl group or cyanoacrylic acid." RSC Advances 7, no. 22 (2017): 13072–81. http://dx.doi.org/10.1039/c7ra00799j.

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(D)2–π–A type BODIPY dyes bearing a pyridyl group or cyanoacrylic acid group and two diphenylamine–thienylcarbazole moieties which possess near-infrared adsorption ability as well as panchromatic adsorption ability, have been developed.
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12

Cao, Zhi, Premchendar Nandhikonda, Adriana Penuela, Stephanie Nance, and Michael D. Heagy. "N-Aryl Arenedicarboximides as Tunable Panchromatic Dyes for Molecular Solar Cells." International Journal of Photoenergy 2010 (2010): 1–7. http://dx.doi.org/10.1155/2010/264643.

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Three organic dyes designed as molecular dyads were prepared that feature a common naphthalimide acceptor andN-aryl donors. One of these incorporated an additional cyanoacrylic acid linker and conjugated thiophene bridge inserted between donor and acceptor groups. Electrochemical and photochemical characterizations have been carried out on nanocrystalline TiO2dye-sensitized solar cells which were fabricated with these dyes as the sensitizing component. HOMO and LUMO energies were also calculated using TDDFT methods and validated by the cyclic voltammetry method. A key finding from this study indicates that computational methods can provide energy values in close agreement to experimental for theN-aryl-naphthalimide system. Relative to HOMO/LUMO energy levels ofN719, the dyes based on naphthalimide chromophore are promising candidates for metal-free DSSCs.
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13

Zhang, Yanbing, Hammad Cheema, Alexander E. London, Amber Morales, Jason D. Azoulay, and Jared H. Delcamp. "Panchromatic cross-conjugated π-bridge NIR dyes for DSCs." Physical Chemistry Chemical Physics 20, no. 4 (2018): 2438–43. http://dx.doi.org/10.1039/c7cp06703h.

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14

Pepe, Giulio, Jacqueline M. Cole, Paul G. Waddell, and Scott McKechnie. "Molecular engineering of cyanine dyes to design a panchromatic response in co-sensitized dye-sensitized solar cells." Molecular Systems Design & Engineering 1, no. 1 (2016): 86–98. http://dx.doi.org/10.1039/c6me00014b.

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15

Liu, Jingchuan, Bo Liu, Yunyu Tang, Weiwei Zhang, Wenjun Wu, Yongshu Xie, and Wei-Hong Zhu. "Highly efficient cosensitization of D–A–π–A benzotriazole organic dyes with porphyrin for panchromatic dye-sensitized solar cells." Journal of Materials Chemistry C 3, no. 42 (2015): 11144–50. http://dx.doi.org/10.1039/c5tc02522b.

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The optimization between the pure organic dye and the porphyrin sensitizer, and their effects on photovoltaic performance are focused, achieving a strong panchromatic light response and a promising photovoltaic efficiency of 10.41% with only 6 μm TiO2 films.
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16

Corrente, Giuseppina Anna, Francesco Parisi, Vito Maltese, Sante Cospito, Daniela Imbardelli, Massimo La Deda, and Amerigo Beneduci. "Panchromatic Fluorescence Emission from Thienosquaraines Dyes: White Light Electrofluorochromic Devices." Molecules 26, no. 22 (November 11, 2021): 6818. http://dx.doi.org/10.3390/molecules26226818.

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Electrofluorochromic devices (EFCDs) that allow the modulation of the light emitted by electroactive fluorophores are very attractive in the research field of optoelectronics. Here, the electrofluorochromic behaviour of a series of squaraine dyes was studied for the first time. In solutions, all compounds are photoluminescent with maxima located in the range 665–690 nm, characterized by quantum yields ranging from 30% to 4.1%. Squaraines were incorporated in a polymer gel used as an active layer in all-in-one gel switchable EFCDs. An aggregation induced quenching occurs in the gel phase, causing a significant decrease in the emission quantum yield in the device. However, the squaraines containing the thieno groups (thienosquaraines, TSQs) show a panchromatic emission and their electrofluorochromism allows the tuning of the fluorescence intensity from 500 nm to the near infrared. Indeed, the application of a potential difference to the device induces a reversible quenching of their emission that is significantly higher and occurs at shorter switching times for TSQs-based devices compared to the reference squaraine dye (DIBSQ). Interestingly, the TSQs fluorescence spectral profile becomes more structured under voltage, and this could be explained by the shift of the aggregates/monomer equilibrium toward the monomeric species, due to electrochemical oxidation, which causes the disassembling of aggregates. This effect may be used to modulate the colour of the fluorescence light emitted by a device and paves the way for conceiving new electrofluorochromic materials based on this mechanism.
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17

Paek, Sanghyun, Hyunbong Choi, Chulwoo Kim, Nara Cho, Seulgi So, Kihyung Song, Mohammad K. Nazeeruddin, and Jaejung Ko. "ChemInform Abstract: Efficient and Stable Panchromatic Squaraine Dyes for Dye-Sensitized Solar Cells." ChemInform 42, no. 27 (June 9, 2011): no. http://dx.doi.org/10.1002/chin.201127200.

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18

Patwari, Jayita, Samim Sardar, Bo Liu, Peter Lemmens, and Samir Kumar Pal. "Three-in-one approach towards efficient organic dye-sensitized solar cells: aggregation suppression, panchromatic absorption and resonance energy transfer." Beilstein Journal of Nanotechnology 8 (August 17, 2017): 1705–13. http://dx.doi.org/10.3762/bjnano.8.171.

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In the present study, protoporphyrin IX (PPIX) and squarine (SQ2) have been used in a co-sensitized dye-sensitized solar cell (DSSC) to apply their high absorption coefficients in the visible and NIR region of the solar spectrum and to probe the possibility of Förster resonance energy transfer (FRET) between the two dyes. FRET from the donor PPIX to acceptor SQ2 was observed from detailed investigation of the excited-state photophysics of the dye mixture, using time-resolved fluorescence decay measurements. The electron transfer time scales from the dyes to TiO2 have also been characterized for each dye. The current–voltage (I–V) characteristics and the wavelength-dependent photocurrent measurements of the co-sensitized DSSCs reveal that FRET between the two dyes increase the photocurrent as well as the efficiency of the device. From the absorption spectra of the co-sensitized photoanodes, PPIX was observed to be efficiently acting as a co-adsorbent and to reduce the dye aggregation problem of SQ2. It has further been proven by a comparison of the device performance with a chenodeoxycholic acid (CDCA) added to a SQ2-sensitized DSSC. Apart from increasing the absorption window, the FRET-induced enhanced photocurrent and the anti-aggregating behavior of PPIX towards SQ2 are crucial points that improve the performance of the co-sensitized DSSC.
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19

Shaban, Suraya, Ajendra K. Vats, and Shyam S. Pandey. "Bifacial Dye-Sensitized Solar Cells Utilizing Visible and NIR Dyes: Implications of Dye Adsorption Behaviour." Molecules 28, no. 6 (March 20, 2023): 2784. http://dx.doi.org/10.3390/molecules28062784.

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Bifacial dye-sensitized solar cells (DSSCs) were fabricated utilizing dye cocktails of two dyes, Z-907 and SQ-140, which have complementary light absorption and photon harvesting in the visible and near-infrared wavelength regions, for panchromatic photon harvesting. The investigation of the rate of dye adsorption and the binding strengths of the dyes on mesoporous TiO2 corroborated the finding that the Z-907 dye showed a rate of dye adsorption that was about >15 times slower and a binding that was about 3 times stronger on mesoporous TiO2 as compared to SQ-140. Utilizing the dye cocktails Z-907 and SQ-140 from ethanol, the formation of the dye bilayer, which was significantly influenced by the ratio of dyes and adsorption time, was demonstrated. It was demonstrated that the dyes of Z-907 and SQ-140 prepared in 1:9 or 9:1 molar ratios favoured the dye bilayer formation by subtly controlling the adsorption time. In contrast, the 1:1 ratio counterpart was prone to form mixed dye adsorption; the best performance of the BF-DSSCs was shown when a dye cocktail of Z-907 and SQ-140 in a molar 9:1 ratio was used to prepare a photoanode for 1 h of dye adsorption. The BF-DSSCs thus exhibited PCEs of 4.23% and 3.48% upon the front and rear side light illuminations, a cumulated PCE of 7.71%, and a very good BBF of 83%.
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20

Musyarofah, Musyarofah, Budi Prayitno, Nur Aini Fauziyah, Umi Nuraini, and Nurrisma Puspitasari. "Extraction and Optical Study of Natural Dyes for Dye-Sensitized Solar Cell Application." SPECTA Journal of Technology 7, no. 2 (August 31, 2023): 533–40. http://dx.doi.org/10.35718/specta.v7i2.868.

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Extraction and study of the optical properties of natural dyes from several plant parts such as leaves, flowers, tubers, and fruits have been carried out using a simple maceration method and UV-Vis absorption characterization. The samples were divided into several groups in this study, namely the flower group (Tagetes sp., Paeonia sp., Centaure sp., Chrysanthemum sp., Carthamus tinctorius, Gomphrena globosa, Myosotis sylvatica, Lavandula sp., Clitoria ternatea, Matricaria chamomilla, Hibiscus sabdariffa, and Rosa sp.); the leaf group (Mangifera indica, Moringa oleifera, Graptophyllum pictum, Spinacia oleracea, Citrus hystrix, and Terminalia sp.); and the tuber and fruit group (Solanum lycopersicum, Cucurbita moschata, Garcinia mangostana, Curcuma longa, Beta vulgaris, and Caessapina sp.). The extract of natural dyes was successfully produced using a low-cost and simple extraction approach via dehydration, immersion for 2×24 hours in ethanol, and followed by filtration. The optical properties of the dyes in UV and visible light range were observed using a UV-Vis spectrophotometer in the wavelength of 400-700 nm. The absorption behaviour showed dominant peaks at different wavelengths for each group. Potentially, to do a combination of dyes (co-sensitization: using more than a dye with different absorption spectra to achieve a panchromatic response) to widen the wavelength absorption for dye-sensitized solar cell (DSSC) applications.
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21

Punitharasu, Vellimalai, Munavvar Fairoos Mele Kavungathodi, Ambarish Kumar Singh, and Jayaraj Nithyanandhan. "π-Extended cis-Configured Unsymmetrical Squaraine Dyes for Dye-Sensitized Solar Cells: Panchromatic Response." ACS Applied Energy Materials 2, no. 12 (November 8, 2019): 8464–72. http://dx.doi.org/10.1021/acsaem.9b01341.

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22

Yum, Jun-Ho, Brian E Hardin, Soo-Jin Moon, Etienne Baranoff, Frank Nüesch, Michael D McGehee, Michael Grätzel, and Mohammad K Nazeeruddin. "Panchromatic Response in Solid-State Dye-Sensitized Solar Cells Containing Phosphorescent Energy Relay Dyes." Angewandte Chemie International Edition 48, no. 49 (November 23, 2009): 9277–80. http://dx.doi.org/10.1002/anie.200904725.

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23

Yum, Jun-Ho, Brian E Hardin, Soo-Jin Moon, Etienne Baranoff, Frank Nüesch, Michael D McGehee, Michael Grätzel, and Mohammad K Nazeeruddin. "Panchromatic Response in Solid-State Dye-Sensitized Solar Cells Containing Phosphorescent Energy Relay Dyes." Angewandte Chemie 121, no. 49 (November 23, 2009): 9441–44. http://dx.doi.org/10.1002/ange.200904725.

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24

Xue, Congcong, Hannah J. Sayre, and Claudia Turro. "Electron injection into titanium dioxide by panchromatic dirhodium photosensitizers with low energy red light." Chemical Communications 55, no. 70 (2019): 10428–31. http://dx.doi.org/10.1039/c9cc04677a.

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25

Yang, Zhenqing, Chunmeng Liu, Changjin Shao, Xiaofei Zeng, and Dapeng Cao. "Screeningπ-conjugated bridges of organic dyes for dye-sensitized solar cells with panchromatic visible light harvesting." Nanotechnology 27, no. 26 (May 18, 2016): 265701. http://dx.doi.org/10.1088/0957-4484/27/26/265701.

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26

Hua, Yong, Hongda Wang, Xunjin Zhu, Ashraful Islam, Liyuan Han, Chuanjiang Qin, Wai-Yeung Wong, and Wai-Kwok Wong. "New simple panchromatic dyes based on thiadiazolo[3,4-c]pyridine unit for dye-sensitized solar cells." Dyes and Pigments 102 (March 2014): 196–203. http://dx.doi.org/10.1016/j.dyepig.2013.11.001.

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27

Ziessel, Raymond, and Elodie Heyer. "Panchromatic Push–Pull Dyes of Elongated Form from Triphenylamine, Diketopyrrolopyrrole, and Tetracyanobutadiene Modules." Synlett 26, no. 15 (July 29, 2015): 2109–16. http://dx.doi.org/10.1055/s-0034-1378818.

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28

Ochirbat, Altantuya, Yong Lee, So-Min Yoo, Seul-Yi Lee, Jiwon Bang, Myoung Kim, and Hyo Joong Lee. "Preparing Effective Panchromatic Hybrid Sensitizers Composed of Inorganic Quantum Dots and Organic Dyes." Chemistry Letters 47, no. 11 (November 5, 2018): 1354–56. http://dx.doi.org/10.1246/cl.180660.

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29

Kaneko, Ryuji, Guohua Wu, Kosuke Sugawa, Joe Otsuki, Ashraful Islam, Liyuan Han, Idriss Bedja, and Ravindra Kumar Gupta. "Cyclometalated ruthenium complexes with 6-(ortho-methoxyphenyl)-2,2′-bipyridine as panchromatic dyes for dye-sensitized solar cells." Journal of Organometallic Chemistry 833 (March 2017): 61–70. http://dx.doi.org/10.1016/j.jorganchem.2017.01.025.

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30

Imae, Ichiro, Keisuke Korai, Yousuke Ooyama, Kenji Komaguchi, and Yutaka Harima. "Synthesis of novel dyes having EDOT-containing oligothiophenes as π-linker for panchromatic dye-sensitized solar cells." Synthetic Metals 207 (September 2015): 65–71. http://dx.doi.org/10.1016/j.synthmet.2015.06.009.

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31

Sil, Manik Chandra, Vediappan Sudhakar, Ambarish Kumar Singh, Munavvar Fairoos Mele Kavungathodi, and Jayaraj Nithyanandhan. "Homo- and Heterodimeric Dyes for Dye-Sensitized Solar Cells: Panchromatic Light Absorption and Modulated Open Circuit Potential." ChemPlusChem 83, no. 11 (October 18, 2018): 998–1007. http://dx.doi.org/10.1002/cplu.201800450.

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32

Zhu, Shilei, Jingtuo Zhang, Giri K. Vegesna, Ravindra Pandey, Fen-Tair Luo, Sarah A. Green, and Haiying Liu. "One-pot efficient synthesis of dimeric, trimeric, and tetrameric BODIPY dyes for panchromatic absorption." Chemical Communications 47, no. 12 (2011): 3508. http://dx.doi.org/10.1039/c0cc05303a.

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33

Qin, Chuanjiang, Antoine Mirloup, Nicolas Leclerc, Ashraful Islam, Ahmed El-Shafei, Liyuan Han, and Raymond Ziessel. "Molecular Engineering of New Thienyl-Bodipy Dyes for Highly Efficient Panchromatic Sensitized Solar Cells." Advanced Energy Materials 4, no. 11 (April 3, 2014): 1400085. http://dx.doi.org/10.1002/aenm.201400085.

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34

Golshan, Malihe, Shahriar Osfouri, Reza Azin, Tahmineh Jalali, and Navid R. Moheimani. "Co-sensitization of natural and low-cost dyes for efficient panchromatic light-harvesting using dye-sensitized solar cells." Journal of Photochemistry and Photobiology A: Chemistry 417 (August 2021): 113345. http://dx.doi.org/10.1016/j.jphotochem.2021.113345.

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35

Kouki, Nouha, Salma Trabelsi, Mohamadou Seydou, François Maurel, and Bahoueddine Tangour. "Internal path investigation of the acting electrons during the photocatalysis of panchromatic ruthenium dyes in dye-sensitized solar cells." Comptes Rendus Chimie 22, no. 1 (January 2019): 34–45. http://dx.doi.org/10.1016/j.crci.2018.10.009.

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36

Liyanage, Nalaka P., Hammad Cheema, Alexandra R. Baumann, Alexa R. Zylstra, and Jared H. Delcamp. "Effect of Donor Strength and Bulk on Thieno[3,4-b]-pyrazine-Based Panchromatic Dyes in Dye-Sensitized Solar Cells." ChemSusChem 10, no. 12 (May 19, 2017): 2635–41. http://dx.doi.org/10.1002/cssc.201700546.

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37

Kimura, Mutsumi, Junya Masuo, Yuki Tohata, Kazumichi Obuchi, Naruhiko Masaki, Takurou N. Murakami, Nagatoshi Koumura, et al. "Improvement of TiO2/Dye/Electrolyte Interface Conditions by Positional Change of Alkyl Chains in Modified Panchromatic Ru Complex Dyes." Chemistry - A European Journal 19, no. 3 (November 29, 2012): 1028–34. http://dx.doi.org/10.1002/chem.201202709.

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38

Mallavia, R., A. Fimia, C. García, and R. Sastre. "Two dyes for holographic recording material: Panchromatic ion pair from Rose Bengal and methylene blue." Journal of Modern Optics 48, no. 6 (May 2001): 941–45. http://dx.doi.org/10.1080/09500340108230965.

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39

da Silva, Maria Rosana E., Thomas Auvray, and Garry S. Hanan. "Synthesis of a novel bipyrimidine dicarboxylic acid ligand for the preparation of panchromatic ruthenium dyes." Inorganica Chimica Acta 499 (January 2020): 119194. http://dx.doi.org/10.1016/j.ica.2019.119194.

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40

Jia, Hai-Lang, Ze-Min Ju, Hong-Xia Sun, Xue-Hai Ju, Ming-Dao Zhang, Xing-Fu Zhou, and He-Gen Zheng. "Improvement of photovoltaic performance of DSSCs by modifying panchromatic zinc porphyrin dyes with heterocyclic units." J. Mater. Chem. A 2, no. 48 (2014): 20841–48. http://dx.doi.org/10.1039/c4ta04704d.

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41

Meier, Herbert. "Extended conjugation in stilbenoid squaraines." Zeitschrift für Naturforschung B 74, no. 3 (March 26, 2019): 241–54. http://dx.doi.org/10.1515/znb-2018-0260.

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AbstractSquaraines, two-fold condensation products in 1,3-position of squaric acid, represent dyes or pigments of high actuality. After their first boom in electrophotography diverse applications are presently studied in a wide area of research, which reaches from electrooptical materials to biosensors and compounds used in photodynamic therapy. Absorption and/or emission ranges in the NIR are mandatory for many of these techniques. The present article deals with stilbenoid squaraines, which feature an extended conjugation in their biradicaloid D-π-A-π-D structure. Due to the charge-transfer character of the excitation, boundaries are set for the optimal length of the conjugation. The absorption maxima of the stilbenoid squaraines and their aggregates are lying in chloroform as a solvent between 600 and 1000 nm. In the solid state panchromatic absorptions can be observed, which reach far into the NIR region. The facile preparation of squaraines bearing stilbene building blocks in one or two of their arms and moreover the easy access to dyes with multiple squaraine units fixed to stilbenoid scaffolds promise a wide palette of further applications in materials science.
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42

Liao, Chaoqiang, Hanlun Wu, Hao Tang, Lingyun Wang, and Derong Cao. "Expanding π-bridge and introducing auxiliary acceptor for realizing panchromatic absorption of the phenothiazine dyes in dye-sensitized solar cells." Solar Energy 240 (July 2022): 399–407. http://dx.doi.org/10.1016/j.solener.2022.05.043.

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43

Hua, Yong, Jian He, Caishun Zhang, Chunjiang Qin, Liyuan Han, Jianzhang Zhao, Tao Chen, Wai-Yeung Wong, Wai-Kwok Wong, and Xunjin Zhu. "Effects of various π-conjugated spacers in thiadiazole[3,4-c]pyridine-cored panchromatic organic dyes for dye-sensitized solar cells." Journal of Materials Chemistry A 3, no. 6 (2015): 3103–12. http://dx.doi.org/10.1039/c4ta05350h.

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A series of thiadiazolo[3,4-c]pyridine-cored organic sensitizers has been prepared for DSSC applications. The structural optimization with π-conjugated spacers enhanced the power conversion efficiency to 6.30% from 2.86%.
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44

Huaulmé, Quentin, Elsa Cece, Antoine Mirloup, and Raymond Ziessel. "Star-shaped panchromatic absorbing dyes based on a triazatruxene platform with diketopyrrolopyrrole and boron dipyrromethene substituents." Tetrahedron Letters 55, no. 35 (August 2014): 4953–58. http://dx.doi.org/10.1016/j.tetlet.2014.07.026.

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Zhu, Shilei, Jingtuo Zhang, Giri K. Vegesna, Ravindra Pandey, Fen-Tair Luo, Sarah A. Green, and Haiying Liu. "ChemInform Abstract: One-Pot Efficient Synthesis of Dimeric, Trimeric, and Tetrameric BODIPY Dyes for Panchromatic Absorption." ChemInform 42, no. 27 (June 9, 2011): no. http://dx.doi.org/10.1002/chin.201127184.

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46

Pati, Palas Baran, and Sanjio S. Zade. "New panchromatic dyes comprising benzothiadiazole units within a donor–acceptor π-conjugated spacer. Synthesis and photophysical properties." Tetrahedron 69, no. 9 (March 2013): 2167–74. http://dx.doi.org/10.1016/j.tet.2012.12.071.

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Singh, Ambarish Kumar, and Jayaraj Nithyanandhan. "Indoline-Based Donor-π-Acceptor Visible-Light Responsive Organic Dyes for Dye-Sensitized Solar Cells: Co-sensitization with Squaraine Dye for Panchromatic IPCE Response." ACS Applied Energy Materials 5, no. 2 (February 11, 2022): 1858–68. http://dx.doi.org/10.1021/acsaem.1c03343.

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Rees, Thomas W., JinFeng Liao, Alessandro Sinopoli, Louise Male, Giuseppe Calogero, Basile F. E. Curchod, and Etienne Baranoff. "Synthesis and Characterization of a Series of Bis-homoleptic Cycloruthenates with Terdentate Ligands as a Family of Panchromatic Dyes." Inorganic Chemistry 56, no. 16 (August 2017): 9903–12. http://dx.doi.org/10.1021/acs.inorgchem.7b01412.

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Keil, D. "Synthesis and characterization of 1,3-bis-(2-dialkylamino-5-thienyl)-substituted squaraines—a novel class of intensively coloured panchromatic dyes." Dyes and Pigments 17, no. 1 (1991): 19–27. http://dx.doi.org/10.1016/0143-7208(91)85025-4.

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50

Geist, Fabian, Andrej Jackel, Peter Irmler, Michael Linseis, Sabine Malzkuhn, Martin Kuss-Petermann, Oliver S. Wenger, and Rainer F. Winter. "Directing Energy Transfer in Panchromatic Platinum Complexes for Dual Vis–Near-IR or Dual Visible Emission from σ-Bonded BODIPY Dyes." Inorganic Chemistry 56, no. 2 (December 27, 2016): 914–30. http://dx.doi.org/10.1021/acs.inorgchem.6b02549.

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