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Aykut S, Ük N, Coşkun İY, Keskin SŞ, Nar I, Trabzon L, Ünlü C. Modulating spectral response of raw photosynthetic pigments via ternary cadmium chalcogenide quantum dots: simultaneous enhancement at green spectrum and inhibition at UV region. PHOTOSYNTHESIS RESEARCH 2024; 160:1-16. [PMID: 38407778 PMCID: PMC11006769 DOI: 10.1007/s11120-024-01085-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/07/2023] [Accepted: 02/06/2024] [Indexed: 02/27/2024]
Abstract
Photosynthesis relies on the absorption of sunlight by photosynthetic pigments (PPs) such as chlorophylls and carotenoids. While these pigments are outstanding at harvesting light, their natural structure restricts their ability to harvest light at specific wavelengths. In this study, Oleic acid-capped CdSeS and CdTeS ternary quantum dots (QDs) were synthesized using a novel two-phase synthesis method. Then, these QDs were used to interact with raw PPs, a mixture of chlorophylls and carotenoids isolated from spinach. Our findings revealed the following: (1) Interacting QDs with raw PPs effectively inhibited the chlorophyll fluorescence of the pigments upon excitation in UV light region (250-400 nm) without causing any damage to their structure. (2) By forming an interaction with QDs, the chlorophyll fluorescence of raw PPs could be induced through excitation with green-light spectrum. (3) The composition of the QDs played a fundamental role in their interaction with PPs. Our study demonstrated that the photophysical properties of isolated PPs could be modified by using cadmium-based QDs by preserving the structure of the pigments themselves.
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Affiliation(s)
- Sümeyye Aykut
- Department of Chemistry, Faculty of Science and Letters, Istanbul Technical University, 34469, Maslak, Istanbul, Turkey
| | - Nida Ük
- Polymer Science and Technology, Istanbul Technical University, 34469, Maslak, Istanbul, Turkey
| | - İbrahim Yağız Coşkun
- Department of Nanoscience and Nanoengineering, Istanbul Technical University, 34469, Maslak, Istanbul, Turkey
| | - Sultan Şahin Keskin
- Department of Nanoscience and Nanoengineering, Istanbul Technical University, 34469, Maslak, Istanbul, Turkey
- MEMS Research Center, Istanbul Technical University, Istanbul, Turkey
| | - Ilgın Nar
- Department of Nanoscience and Nanoengineering, Istanbul Technical University, 34469, Maslak, Istanbul, Turkey
- Istanbul Technical University Nanotechnology Research and Application Center (ITUNano), Istanbul, Turkey
| | - Levent Trabzon
- MEMS Research Center, Istanbul Technical University, Istanbul, Turkey
- Faculty of Mechanical Engineering, Istanbul Technical University, Istanbul, Turkey
| | - Caner Ünlü
- Department of Chemistry, Faculty of Science and Letters, Istanbul Technical University, 34469, Maslak, Istanbul, Turkey.
- Polymer Science and Technology, Istanbul Technical University, 34469, Maslak, Istanbul, Turkey.
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Almansour AI, Kumar RS, Al-Shemaimari KI, Arumugam N. Highly Efficient DSSCs Sensitized Using NIR Responsive Bacteriopheophytine-a and Its Derivatives Extracted from Rhodobacter Sphaeroides Photobacteria. Molecules 2024; 29:931. [PMID: 38474443 DOI: 10.3390/molecules29050931] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2023] [Revised: 02/16/2024] [Accepted: 02/18/2024] [Indexed: 03/14/2024] Open
Abstract
Employing naturally extracted dyes and their derivatives as photosensitizers towards the construction of dye-sensitized solar cells (DSSCs) has been recently emerging for establishing sustainable energy conversion devices. In this present work, Rhodobacter Sphaeroides Photobacteria (Rh. Sphaeroides) was used as a natural source from which Bacteriopheophytine-a (Bhcl) dye was extracted. Further, two cationic derivatives of Bhcl, viz., Guanidino-bacteriopheophorbide-a (Gua-Bhcl) and (2-aminoethyl)triphenylphosphono-bacteriopheophorbide-a (2AETPPh-Bhcl) were synthesized. The thus obtained Bhcl, Gua-Bhcl and 2AETPPh-Bhcl were characterized using liquid chromatography-mass spectrometry (LC-MS) and their photophysical properties were investigated using excitation and emission studies. All three near-infrared (NIR) responsive dyes were employed as natural sensitizers towards the construction of DSSC devices, using platinum as a photocathode, dye-sensitized P25-TiO2 as a photoanode and I-/I3- as an electrolyte. DSSCs fabricated using all three dyes have shown reasonably good photovoltaic performance, among which 2AETPPh-Bhcl dye has shown a relatively higher power conversion efficiency (η) of 0.38% with a short circuit photocurrent density (JSC) of 1.03 mA cm-2. This could be attributed to the dye's natural optimal light absorption in the visible and NIR region and uniform dispersion through the electrostatic interaction of the cationic derivatives on the TiO2 photoanode. Furthermore, the atomic force microscopy studies and electrochemical investigations using cyclic voltammetry, electrochemical impedance spectroscopy and Bode's plot also supported the enhancement in performance attained with 2AETPPh-Bhcl dye.
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Affiliation(s)
- Abdulrahman I Almansour
- Department of Chemistry, College of Science, King Saud University, P.O. Box 2455, Riyadh 11451, Saudi Arabia
| | - Raju Suresh Kumar
- Department of Chemistry, College of Science, King Saud University, P.O. Box 2455, Riyadh 11451, Saudi Arabia
| | | | - Natarajan Arumugam
- Department of Chemistry, College of Science, King Saud University, P.O. Box 2455, Riyadh 11451, Saudi Arabia
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Piwbang S, Kaeochana W, Luechar P, Bunriw W, Chimsida P, Yamklang W, Sintusiri J, Harnchana V. Using Natural Dye Additives to Enhance the Energy Conversion Performance of a Cellulose Paper-Based Triboelectric Nanogenerator. Polymers (Basel) 2024; 16:476. [PMID: 38399854 PMCID: PMC10892896 DOI: 10.3390/polym16040476] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/02/2024] [Revised: 01/27/2024] [Accepted: 01/29/2024] [Indexed: 02/25/2024] Open
Abstract
Green and sustainable power sources for next-generation electronics are being developed. A cellulose paper-based triboelectric nanogenerator (TENG) was fabricated to harness mechanical energy and convert it into electricity. This work proposes a novel approach to modify cellulose paper with natural dyes, including chlorophyll from spinach, anthocyanin from red cabbage, and curcumin from turmeric, to enhance the power output of a TENG. All the natural dyes are found to effectively improve the energy conversion performance of a cellulose paper-based TENG due to their photogenerated charges. The highest power density of 3.3 W/m2 is achieved from the cellulose paper-based TENG modified with chlorophyll, which is higher than those modified with anthocyanin and curcumin, respectively. The superior performance is attributed not only to the photosensitizer properties but also the molecular structure of the dye that promotes the electron-donating properties of cellulose.
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Affiliation(s)
- Supisara Piwbang
- Department of Physics, Khon Kaen University, Khon Kaen 40002, Thailand; (S.P.); (W.K.); (P.L.); (W.B.); (P.C.); (W.Y.); (J.S.)
| | - Walailak Kaeochana
- Department of Physics, Khon Kaen University, Khon Kaen 40002, Thailand; (S.P.); (W.K.); (P.L.); (W.B.); (P.C.); (W.Y.); (J.S.)
| | - Pawonpart Luechar
- Department of Physics, Khon Kaen University, Khon Kaen 40002, Thailand; (S.P.); (W.K.); (P.L.); (W.B.); (P.C.); (W.Y.); (J.S.)
| | - Weeraya Bunriw
- Department of Physics, Khon Kaen University, Khon Kaen 40002, Thailand; (S.P.); (W.K.); (P.L.); (W.B.); (P.C.); (W.Y.); (J.S.)
| | - Praphadsorn Chimsida
- Department of Physics, Khon Kaen University, Khon Kaen 40002, Thailand; (S.P.); (W.K.); (P.L.); (W.B.); (P.C.); (W.Y.); (J.S.)
| | - Wimonsiri Yamklang
- Department of Physics, Khon Kaen University, Khon Kaen 40002, Thailand; (S.P.); (W.K.); (P.L.); (W.B.); (P.C.); (W.Y.); (J.S.)
| | - Jirapan Sintusiri
- Department of Physics, Khon Kaen University, Khon Kaen 40002, Thailand; (S.P.); (W.K.); (P.L.); (W.B.); (P.C.); (W.Y.); (J.S.)
| | - Viyada Harnchana
- Department of Physics, Khon Kaen University, Khon Kaen 40002, Thailand; (S.P.); (W.K.); (P.L.); (W.B.); (P.C.); (W.Y.); (J.S.)
- Institute of Nanomaterials Research and Innovation for Energy (IN-RIE), Khon Kaen University, Khon Kaen 40002, Thailand
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Seithtanabutara V, Chumwangwapee N, Suksri A, Wongwuttanasatian T. Potential investigation of combined natural dye pigments extracted from ivy gourd leaves, black glutinous rice and turmeric for dye-sensitised solar cell. Heliyon 2023; 9:e21533. [PMID: 38027559 PMCID: PMC10661117 DOI: 10.1016/j.heliyon.2023.e21533] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2023] [Revised: 10/16/2023] [Accepted: 10/23/2023] [Indexed: 12/01/2023] Open
Abstract
Environmental sustainability, resource availability, and cost-effectiveness are the driving forces behind the search for natural sensitised dyes to replace synthetic ones. Using a combination of pigments as the sensitised dye in dye-sensitised solar cells (DSSCs) offers several advantages over using a single pigment. In this present study, natural dyes with different pigments were extracted from three local plants: Coccinia grandis (Ivy gourd leaves, IGL), Oryza sativa Linn (Black glutinous rice, BGR), and Curcuma longa L. (Turmeric, TM). Each colour extract absorbed various wavelengths of light. It was found that the single IGL-dye (green) had a greater light absorption and energy band gap over visible light than other extracts (dyes). Then combinations of these dyes were examined. A sensitised dye combination with a primary to secondary dye in a volumetric ratio of 80/20 exhibited multiple energy band gaps, implying multiple electron excitations at different photon energy levels. Compared to other mixed dyes, IGL/TM-dye had the highest absorbance and electron excitation at three wavelengths with the smallest energy band gap values of 1.74, 2.51, and 2.59 eV. The IGL-dye had the highest DSSC efficiency of 0.15 % for single dyes, followed by the TM-dye and BGR-dye, which had 0.12 % and 0.04 %, respectively. Interestingly, for combined dyes, the IGL/TM dye increased DSSC efficiency to 0.3 %. Since natural dyes tend to be less effective in DSSCs than synthetic dyes because they have a narrower absorption range, higher redox potentials, shorter operational lifetimes, higher rates of electron recombination, and different molecular structures, the dye co-sensitization strategy is one of the best ways to make more effective cells in the future.
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Affiliation(s)
- V. Seithtanabutara
- Chemical Engineering Division, Faculty of Engineering, Khon Kaen University, Thailand
- Centre for Alternative Energy Research and Development, Khon Kaen University, Thailand
| | - N. Chumwangwapee
- Energy Engineering Program, Faculty of Engineering, Khon Kaen University, Thailand
| | - A. Suksri
- Electrical Engineering Division, Faculty of Engineering, Khon Kaen University, Thailand
- Centre for Alternative Energy Research and Development, Khon Kaen University, Thailand
| | - T. Wongwuttanasatian
- Energy Engineering Program, Faculty of Engineering, Khon Kaen University, Thailand
- Mechanical Engineering Division, Faculty of Engineering, Khon Kaen University, Thailand
- Centre for Alternative Energy Research and Development, Khon Kaen University, Thailand
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5
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Rajaramanan T, Heidari Gourji F, Elilan Y, Yohi S, Senthilnanthanan M, Ravirajan P, Velauthapillai D. Natural sensitizer extracted from Mussaenda erythrophylla for dye-sensitized solar cell. Sci Rep 2023; 13:13844. [PMID: 37620519 PMCID: PMC10449896 DOI: 10.1038/s41598-023-40437-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2023] [Accepted: 08/10/2023] [Indexed: 08/26/2023] Open
Abstract
In this study, a natural dye from the flowers of Mussaenda erythrophylla extracted separately in ethanol and de-ionized water was employed as a photosensitizer in DSSCs. The quantitative phytochemical analyses were performed on both extracts. The existence of flavonoids (anthocyanin) and chlorophyll a pigments in the ethanol extract of the dye was confirmed by the UV-Visible spectroscopy. The stability study performed on the said ethanol extract confirmed that the dye extracted in ethanol was stable in the dark and did not degrade for nearly 50 days. The presence of the dye molecules and uniform adsorption of them on the P25-TiO2 surface were confirmed by fourier transform infrared spectroscopy and atomic force microscopy, respectively. Moreover, the influence of dye concentration and pH on the optical properties of the dye was also studied. The natural dye extracted in ethanol was employed in DSSCs, fabricated by utilizing the said dye sensitized P25-TiO2 photoanodes, [Formula: see text]/[Formula: see text] electrolyte, and Pt counter electrode. Photovoltaic performances of the fabricated devices were determined under simulated irradiation with the intensity of 100 mWcm-2 using AM 1.5 filter. The device fabricated with the P25-TiO2 photoanode sensitized by the dye extracted in ethanol at pH = 5 exhibited the best power conversion efficiency (PCE) of 0.41% with the JSC of 0.98 mAcm-2 which could be attributed to the optimum light absorption in the visible region of solar spectrum by the chlorophyll a and anthocyanin molecules in the extracted natural dye.
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Affiliation(s)
- Tharmakularasa Rajaramanan
- Faculty of Engineering, Western Norway University of Applied Sciences, 5020, Bergen, Norway.
- Clean Energy Research Laboratory (CERL), Department of Physics, University of Jaffna, Jaffna, 40000, Sri Lanka.
| | - Fatemeh Heidari Gourji
- Faculty of Engineering, Western Norway University of Applied Sciences, 5020, Bergen, Norway
| | | | | | | | - Punniamoorthy Ravirajan
- Clean Energy Research Laboratory (CERL), Department of Physics, University of Jaffna, Jaffna, 40000, Sri Lanka
| | - Dhayalan Velauthapillai
- Faculty of Engineering, Western Norway University of Applied Sciences, 5020, Bergen, Norway.
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6
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Mahapatra A, Kumar P, Behera AK, Sen A, Pradhan B. Comparative study of natural dye-sensitized solar cells using inedible extracts from kumkum, kamala and malabar spinach fruits. J Photochem Photobiol A Chem 2023. [DOI: 10.1016/j.jphotochem.2022.114385] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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7
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Leite AMB, da Cunha HO, Rodrigues JAFCR, Suresh Babu R, de Barros ALF. Construction and characterization of organic photovoltaic cells sensitized by Chrysanthemum based natural dye. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2023; 284:121780. [PMID: 36041261 DOI: 10.1016/j.saa.2022.121780] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/05/2022] [Revised: 08/15/2022] [Accepted: 08/21/2022] [Indexed: 06/15/2023]
Abstract
In this work, natural dyes from three different species of the same flower family (Chrysanthemum), which containing anthocyanin were extracted and properly prepared to be used as photosensitizers in DSSCs construction. The cells were fabricated with titanium dioxide nanoparticles (TiO2) for the photoanodes, whereas platinum electrodes were used for the photocathodes. To understand the behavior of light absorption in addition to the coloring components present in the dyes and the molecular functional groups present in the samples, the UV-Vis absorption spectroscopy and FTIR spectroscopy were used respectively. The performance and efficiency of solar cells were evaluated to establish the photovoltaic criteria for each DSSC built. Through electrochemical characterizations, it was possible to notice that the highest photovoltaic conversion efficiency was obtained with the Chrysanthemum Violet (CV) cell, with efficiency (η) of 1.348%, compared to 1.229% and 0.485% for the Chrysanthemum Green (CG) and Chrysanthemum Blue (CB) cells, respectively. The CV cell also has the highest open circuit voltage (VOC) at 0.58 V. The results corroborate to present the organic solar cells as a viable option for the electric energy generation.
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Affiliation(s)
- A M B Leite
- Laboratory of Experimental and Applied Physics, Centro Federal de Educação Tecnológica Celso Suckow da Fonseca, Av. Maracanã 229, Rio de Janeiro, 20271-110, Brazil
| | - H O da Cunha
- Laboratory of Experimental and Applied Physics, Centro Federal de Educação Tecnológica Celso Suckow da Fonseca, Av. Maracanã 229, Rio de Janeiro, 20271-110, Brazil
| | - J A F C R Rodrigues
- Laboratory of Experimental and Applied Physics, Centro Federal de Educação Tecnológica Celso Suckow da Fonseca, Av. Maracanã 229, Rio de Janeiro, 20271-110, Brazil
| | - R Suresh Babu
- Laboratory of Experimental and Applied Physics, Centro Federal de Educação Tecnológica Celso Suckow da Fonseca, Av. Maracanã 229, Rio de Janeiro, 20271-110, Brazil.
| | - A L F de Barros
- Laboratory of Experimental and Applied Physics, Centro Federal de Educação Tecnológica Celso Suckow da Fonseca, Av. Maracanã 229, Rio de Janeiro, 20271-110, Brazil.
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Koli P. Characterization, stability, and feasibility of long-term use of light-absorbing components of aqueous spinach extract-based photogalvanic electrolyte. Sci Rep 2022; 12:13518. [PMID: 35934715 PMCID: PMC9357696 DOI: 10.1038/s41598-022-17647-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2021] [Accepted: 07/28/2022] [Indexed: 11/09/2022] Open
Abstract
In the present work, the photogalvanic cells have been studied with respect to the photo-stability and the long-term use of the electrolyte based on crude aqueous spinach extract sensitizer for solar energy harvesting. Further, the nature of chemical components present in the old and photo-decayed electrolyte and their current generation capacity has also not been investigated so far otherwise it is of much significance for durable use of the same electrolyte in cells. In earlier studies, the steady-state photo-generation of current for about two hours from crude spinach extract-based cell has been shown during illumination. But, the data for only two hours of the steady-state current generation is not sufficient to show the feasibility of working with photogalvanic cells. Therefore, to fill this research gap of lack of characterization of sensitizers’ molecules of crude spinach extract and lack of study on long-term use of this electrolyte (crude spinach extract-surfactant-reductant-alkali-water), the present extensive study has been done. The observed spectrum of crude spinach extract resembles that of chlorophyll–protein complex showing it is the main chemical component in extract absorbing light. A strong acid adversely affects the extract’s photogalvanics and high pH is friendly to the physiological and photogalvanic activity of the extract. The spectra of illuminated and very old crude spinach extract-NaOH-Sodium lauryl sulfate (NaLS)-Fructose photogalvanic electrolyte solution show negligible absorbance (540–700 nm) and zero absorbance (at 700 nm) suggesting the absence of chlorophyll due to its photo-degradation. When this photo-degraded electrolyte is again illuminated, the power output obtained is nearly equal to that for the first time illuminated fresh electrolyte. The observed current at zero time and after 2641 h from the same electrolyte used in long term is 50 mA cm−2 and 40 mA cm−2, respectively. It means that the fresh crude spinach extract, as well as the photo-degraded extract at high pH, are almost equally capable of power generation.
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Ghosh MK, Send RK, Mahapatra PK, Panda BB. Chlorophyll-a functionalised Zn-Cd-S thin film fabricated by SILAR technique for dye sensitised solar cells. INORG CHEM COMMUN 2022. [DOI: 10.1016/j.inoche.2022.109670] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
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10
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Alim MA, Repon MR, Islam T, Mishfa KF, Jalil MA, Aljabri MD, Rahman MM. Mapping the Progress in Natural Dye‐Sensitized Solar Cells: Materials, Parameters and Durability. ChemistrySelect 2022. [DOI: 10.1002/slct.202201557] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Md. Abdul Alim
- Department of Textile Engineering Khulna University of Engineering & Technology Khulna 9203 Bangladesh
| | - Md. Reazuddin Repon
- ZR Research Institute for Advanced Materials Sherpur 2100 Bangladesh
- Department of Production Engineering Faculty of Mechanical Engineering and Design Kaunas University of Technology Studentų 56 LT-51424 Kaunas Lithuania
| | - Tarikul Islam
- ZR Research Institute for Advanced Materials Sherpur 2100 Bangladesh
- Department of Textile Engineering Jashore University of Science and Technology Jashore 7408 Bangladesh
| | - Kaniz Fatima Mishfa
- Department of Textile Engineering Khulna University of Engineering & Technology Khulna 9203 Bangladesh
| | - Mohammad Abdul Jalil
- Department of Textile Engineering Khulna University of Engineering & Technology Khulna 9203 Bangladesh
| | - Mahmood D. Aljabri
- Department of Chemistry University College in Al-Jamoum Umm Al-Qura University Makkah 21955 Saudi Arabia
| | - Mohammed M. Rahman
- Center of Excellence for Advanced Materials Research (CEAMR) & Department of Chemistry Faculty of Science King Abdulaziz University Jeddah 21589 Saudi Arabia
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Khan AA, Syarifah Adilah MY, Mamat MH, Yahaya SZ, Setumin S, Ibrahim MN, Daud K, Abdullah MH. Magnesium sulfate as a potential dye additive for chlorophyll-based organic sensitiser of the dye-sensitised solar cell (DSSC). SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2022; 274:121140. [PMID: 35305518 DOI: 10.1016/j.saa.2022.121140] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/21/2021] [Revised: 03/03/2022] [Accepted: 03/09/2022] [Indexed: 06/14/2023]
Abstract
In this work, a new chlorophyll dye-sensitiser derived from mitragyna speciosa (MS) leaves, also known as Kratom, was employed for dye-sensitised solar cells (DSSCs). The influence of magnesium sulfate (MgSO4), a low-cost dye additive, and suitable extraction solvents on the performance of DSSCs were examined. Here, the optical properties were investigated using UV-Visible spectroscopy and the functional anchoring group were investigated by FTIR spectroscopy. Meanwhile, the photovoltaic parameters were investigated by I-V measurements. The highest conversion efficiency is obtained when using a dye extracted from methanol solvent in combination with MgSO4 additive, namely methanolic magnesium sulfate (MMSO). This higher power conversion efficiency is mainly attributed to the enhancement of the hydroxyl group in the MMSO dye solutions, which promotes higher dye adsorption and provides an organic dye passivation layer that reduces back-recombination in the cell. Furthermore, MgSO4 aids in the replenishment of magnesium lost in the chlorophyll porphyrin ring during the degradation process. These combined effects have contributed to the overall conversion efficiency of the MMSO cell at 0.26 %, followed by 0.24 % for ethanolic magnesium sulfate (EMSO), respectively.
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Affiliation(s)
- A A Khan
- Center for Electrical Engineering Studies, Universiti Teknologi MARA, Cawangan Pulau Pinang, 13500 Permatang Pauh, Pulau Pinang, Malaysia
| | - M Y Syarifah Adilah
- Department of Computer and Mathematical Sciences, Universiti Teknologi MARA, Cawangan Pulau Pinang, 13500 Permatang Pauh, Pulau Pinang, Malaysia
| | - M H Mamat
- NANO-ElecTronic Centre (NET), School of Electrical Engineering, College of Engineering, Universiti Teknologi MARA, 40450 Shah Alam, Selangor, Malaysia
| | - S Z Yahaya
- Center for Electrical Engineering Studies, Universiti Teknologi MARA, Cawangan Pulau Pinang, 13500 Permatang Pauh, Pulau Pinang, Malaysia
| | - S Setumin
- Center for Electrical Engineering Studies, Universiti Teknologi MARA, Cawangan Pulau Pinang, 13500 Permatang Pauh, Pulau Pinang, Malaysia
| | - M N Ibrahim
- Center for Electrical Engineering Studies, Universiti Teknologi MARA, Cawangan Pulau Pinang, 13500 Permatang Pauh, Pulau Pinang, Malaysia
| | - K Daud
- Center for Electrical Engineering Studies, Universiti Teknologi MARA, Cawangan Pulau Pinang, 13500 Permatang Pauh, Pulau Pinang, Malaysia
| | - M H Abdullah
- Center for Electrical Engineering Studies, Universiti Teknologi MARA, Cawangan Pulau Pinang, 13500 Permatang Pauh, Pulau Pinang, Malaysia..
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Al Batty S, Al-Jubouri SM, Wali Hakami M, Sarief A, Haque SKM. Innovative economic anthocyanin dye source for enhancing the performance of dye-sensitized solar cell. JOURNAL OF TAIBAH UNIVERSITY FOR SCIENCE 2022. [DOI: 10.1080/16583655.2022.2070367] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Affiliation(s)
- Sirhan Al Batty
- Department of Chemical and Process Engineering Technology, Jubail Industrial College, Jubail Industrial City, Saudi Arabia
| | - Sama M. Al-Jubouri
- Department of Chemical Engineering, College of Engineering, University of Baghdad, Baghdad, Iraq
| | - Mohammed Wali Hakami
- Department of Chemical and Process Engineering Technology, Jubail Industrial College, Jubail Industrial City, Saudi Arabia
| | - Abdulla Sarief
- Department of Chemical and Process Engineering Technology, Jubail Industrial College, Jubail Industrial City, Saudi Arabia
| | - SK Manirul Haque
- Department of Chemical and Process Engineering Technology, Jubail Industrial College, Jubail Industrial City, Saudi Arabia
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Nakano T, Liu Y, Wang XF, Tamiaki H. Synthesis of chlorophyll-a derivative inserting an ethynylene group between the carboxylic acid moiety and chlorin π-skeleton and its photosensitizing efficiency in dye-sensitized solar cell. J Photochem Photobiol A Chem 2022. [DOI: 10.1016/j.jphotochem.2021.113633] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
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14
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Md Roskan NF, Zainol N, Samad KA. Chlorophyll extraction from pineapple plantation waste through mechanical extraction. BIOCATALYSIS AND AGRICULTURAL BIOTECHNOLOGY 2022. [DOI: 10.1016/j.bcab.2021.102264] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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15
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Baby R, Nixon PD, Kumar NM, Subathra MSP, Ananthi N. A comprehensive review of dye-sensitized solar cell optimal fabrication conditions, natural dye selection, and application-based future perspectives. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2022; 29:371-404. [PMID: 34674131 DOI: 10.1007/s11356-021-16976-8] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/17/2021] [Accepted: 10/06/2021] [Indexed: 06/13/2023]
Abstract
Dye-sensitized solar cells (DSSC) constructed using natural dyes possess irreplaceable advantages in energy applications. The main reasons are its performance, environmentally benign dyes, impressible performance in low light, ecologically friendly energy production, and versatile solar product integration. Though DSSCs using natural dyes as sensitizers have many advantages, they suffer from poor efficiency compared to conventional silicon solar cells. Moreover, the difficulty in converting them to practical devices for the day-to-day energy needs has to be addressed. This review will outline the optimization of conditions to be followed for better efficiency in DSSCs using natural dyes as sensitizers. This review has taken into account the importance of the first step towards the fabrication of DSSC, i.e. the selection process. The selection of plant parts has a noticeable impact on the overall efficiency of the device. Accordingly, a proper study has been done to analyse the plant's parts that have shown better results in terms of device efficiency. In addition to this, a wide range of techniques and factors such as extraction methods, the solvent used, coating techniques, immersing time, and co-sensitization have been taken into consideration from the studies done over the period of 10 years to examine their influence on the overall performance of the DSSC device. These results have been addressed to stipulate the best suitable condition that will help supplement the efficiency of the device even further. Also, the future perspectives, such as the DSSCs use in wearable devices, incorporating various approaches to enhance the power conversion efficiency of DSSCs using natural dyes, and thermochromism ability for DSSCs have been discussed.
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Affiliation(s)
- Ruby Baby
- Department of Electrical and Electronics Engineering, School of Engineering and Technology, Karunya Institute of Technology and Sciences, Coimbatore, 641114, Tamil Nadu, India
| | - Peter Daniel Nixon
- Center for Nanoscience and Genomics, Karunya Institute of Technology and Sciences, Coimbatore, 641114, Tamil Nadu, India
| | | | - M S P Subathra
- Department of Electrical and Electronics Engineering, School of Engineering and Technology, Karunya Institute of Technology and Sciences, Coimbatore, 641114, Tamil Nadu, India
| | - Nallamuthu Ananthi
- Department of Applied Chemistry, School of Sciences, Arts, Media and Management, Karunya Institute of Technology and Sciences, Coimbatore, 641114, Tamil Nadu, India.
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16
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Toward Eco-Friendly Dye-Sensitized Solar Cells (DSSCs): Natural Dyes and Aqueous Electrolytes. ENERGIES 2021. [DOI: 10.3390/en15010219] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Due to their low cost, facile fabrication, and high-power conversion efficiency (PCE), dye-sensitized solar cells (DSSCs) have attracted much attention. Ruthenium (Ru) complex dyes and organic solvent-based electrolytes are typically used in high-efficiency DSSCs. However, Ru dyes are expensive and require a complex synthesis process. Organic solvents are toxic, environmentally hazardous, and explosive, and can cause leakage problems due to their low surface tension. This review summarizes and discusses previous works to replace them with natural dyes and water-based electrolytes to fabricate low-cost, safe, biocompatible, and environmentally friendly DSSCs. Although the performance of “eco-friendly DSSCs” remains less than 1%, continuous efforts to improve the PCE can accelerate the development of more practical devices, such as designing novel redox couples and photosensitizers, interfacial engineering of photoanodes and electrolytes, and biomimetic approaches inspired by natural systems.
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17
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Kim JH, Park SY, Lim DH, Lim SY, Choi J, Koo HJ. Eco-Friendly Dye-Sensitized Solar Cells Based on Water-Electrolytes and Chlorophyll. MATERIALS 2021; 14:ma14092150. [PMID: 33922584 PMCID: PMC8122968 DOI: 10.3390/ma14092150] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/09/2021] [Revised: 04/10/2021] [Accepted: 04/21/2021] [Indexed: 11/16/2022]
Abstract
Organic solvents used for electrolytes of dye-sensitized solar cells (DSSCs) are generally not only toxic and explosive but also prone to leakage due to volatility and low surface tension. The representative dyes of DSSCs are ruthenium-complex molecules, which are expensive and require a complicated synthesis process. In this paper, the eco-friendly DSSCs were presented based on water-based electrolytes and a commercially available organic dye. The effect of aging time after the device fabrication and the electrolyte composition on the photovoltaic performance of the eco-friendly DSSCs were investigated. Plasma treatment of TiO2 was adopted to improve the dye adsorption as well as the wettability of the water-based electrolytes on TiO2. It turned out that the plasma treatment was an effective way of improving the photovoltaic performance of the eco-friendly DSSCs by increasing the efficiency by 3.4 times. For more eco-friendly DSSCs, the organic-synthetic dye was replaced by chlorophyll extracted from spinach. With the plasma treatment, the efficiency of the eco-friendly DSSCs based on water-electrolytes and chlorophyll was comparable to those of the previously reported chlorophyll-based DSSCs with non-aqueous electrolytes.
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Affiliation(s)
- Ji-Hye Kim
- Department of New Energy Engineering, Seoul National University of Science & Technology, 232 Gongneung-ro, Nowon-gu, Seoul 01811, Korea;
| | - Sung-Yoon Park
- Department of Chemical & Biomolecular Engineering, Seoul National University of Science & Technology, 232 Gongneung-ro, Nowon-gu, Seoul 01811, Korea; (S.-Y.P.); (D.-H.L.); (S.-Y.L.)
| | - Dong-Hyuk Lim
- Department of Chemical & Biomolecular Engineering, Seoul National University of Science & Technology, 232 Gongneung-ro, Nowon-gu, Seoul 01811, Korea; (S.-Y.P.); (D.-H.L.); (S.-Y.L.)
| | - So-Young Lim
- Department of Chemical & Biomolecular Engineering, Seoul National University of Science & Technology, 232 Gongneung-ro, Nowon-gu, Seoul 01811, Korea; (S.-Y.P.); (D.-H.L.); (S.-Y.L.)
| | - Jonghoon Choi
- School of Integrative Engineering, Chung-Ang University, Seoul 06974, Korea;
| | - Hyung-Jun Koo
- Department of Chemical & Biomolecular Engineering, Seoul National University of Science & Technology, 232 Gongneung-ro, Nowon-gu, Seoul 01811, Korea; (S.-Y.P.); (D.-H.L.); (S.-Y.L.)
- Correspondence:
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18
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Noirbent G, Dumur F. Photoinitiators of polymerization with reduced environmental impact: Nature as an unlimited and renewable source of dyes. Eur Polym J 2021. [DOI: 10.1016/j.eurpolymj.2020.110109] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
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19
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Abubakari I, Babu S, Vuai S, Makangara J. 2-Hexylthiophene-substituted Alizarin-based (D–π–A) Organic Dyes for Dye-sensitized Solar Cell Applications: Density Functional Theory and UV–Vis Studies. JOURNAL OF CHEMICAL RESEARCH 2020. [DOI: 10.1177/1747519820922450] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
This work reports density functional theory and time-dependent density functional theory calculations of the optimized geometries, electronic structures and optical properties of molecular dyes D1, D2, D3, D4, D5, and D6 formulated through substitution of 2-hexylthiophene to alizarin using the hybrid functional B3LYP and 6-31G (d,p) basis sets. The dyes are considered as potential pigments for dye-sensitized solar cells. For all dyes, HOMO/LUMO (Highest Occupied Molecular Orbital/Lowest Unoccupied Molecular Orbital) analysis results in positive outcomes upon electron injection to semiconductors and subsequent dye regeneration by the electrolyte. It is found that charge transfer is from the thiophene and unsubstituted ring of alizarin to the substituted ring of alizarin containing C=O and OH groups. The C=O groups are observed to be very important in strengthening the dyes as they are revealed to be the anchoring group bonding to the TiO2 semiconductor. Comparatively, dye D6 is observed to possess high absorption ability and electron injection power through a study of the light-harvesting efficiency and injection driving force (Δ Ginject). The estimated values of open-circuit voltage ( Voc) for the computed dyes are also presented. Decisively, all the considered dyes prove to be useful as potential photosensitizers in solar cells using a TiO2 semiconductor and [Formula: see text] coupling electrolyte.
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Affiliation(s)
- Ismail Abubakari
- Department of Chemistry, College of Natural and Mathematical Sciences, The University of Dodoma, Dodoma, Tanzania
| | - Surendra Babu
- Department of Chemistry, College of Natural and Mathematical Sciences, The University of Dodoma, Dodoma, Tanzania
| | - Said Vuai
- Department of Chemistry, College of Natural and Mathematical Sciences, The University of Dodoma, Dodoma, Tanzania
| | - John Makangara
- Department of Chemistry, College of Natural and Mathematical Sciences, The University of Dodoma, Dodoma, Tanzania
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20
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Natural dye extraction from Syzygium Cumini and its potential photovoltaic application as economical sensitizer. APPLIED NANOSCIENCE 2020. [DOI: 10.1007/s13204-020-01452-5] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
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21
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Investigating Various Permutations of Copper Iodide/FeCu Tandem Materials as Electrodes for Dye-Sensitized Solar Cells with a Natural Dye. NANOMATERIALS 2020; 10:nano10040784. [PMID: 32325901 PMCID: PMC7221774 DOI: 10.3390/nano10040784] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/03/2020] [Revised: 04/16/2020] [Accepted: 04/17/2020] [Indexed: 11/24/2022]
Abstract
This work presents the synthesis and deposition of CuI and FeCu materials on copper substrates for dye-sensitized solar cell applications. FeCu is a metastable alloy of iron and copper powders and possesses good optical and intrinsic magnetic properties. Coupled with copper iodide as tandem layers, the deposition of these two materials was permutated over a pure copper substrate, characterized and then tested within a solar cell. The cell was sensitized with a natural dye extracted from a local desert plant (Calotropis gigantea) and operated with an iodine/triiodide electrolyte. The results show that the best layer arrangement was Cu/FeCu/CuI, which gave an efficiency of around 0.763% (compared to 0.196% from reported cells in the literature using a natural sensitizer).
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22
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Fabrication of optimized eco-friendly dye-sensitized solar cells by extracting pigments from low-cost native wild plants. J Photochem Photobiol A Chem 2020. [DOI: 10.1016/j.jphotochem.2019.112191] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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23
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Rabie AM, Abukhadra MR, Rady AM, Ahmed SA, Labena A, Mohamed HSH, Betiha MA, Shim JJ. Instantaneous photocatalytic degradation of malachite green dye under visible light using novel green Co–ZnO/algae composites. RESEARCH ON CHEMICAL INTERMEDIATES 2020. [DOI: 10.1007/s11164-019-04074-x] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
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24
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Nakano T, Tamiaki H. Palladium-Catalyzed Acylation of Terminal Alkynes toward 3-Ynone-Linked Chlorophyll- a Derivatives and Their Optical Properties. J Org Chem 2019; 84:16116-16123. [PMID: 31714080 DOI: 10.1021/acs.joc.9b02607] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
The Pd-catalyzed acylation reactions of terminal 3-ethynyl moieties of chlorophyll-a (Chl-a) derivatives are described herein. Both acyl chlorides and acid anhydrides were valuable reagents for the coupling, resulting in the formation of π-conjugation extended Chl-a derivatives possessing a carbonyl-ethynyl group at the C3-position. The ultraviolet-visible absorption and fluorescence emission data were obtained in solution to evaluate the optical properties of the 3-ynone-linked Chl-a derivatives.
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Affiliation(s)
- Takeo Nakano
- Graduate School of Life Sciences , Ritsumeikan University , Kusatsu , Shiga 525-8577 , Japan
| | - Hitoshi Tamiaki
- Graduate School of Life Sciences , Ritsumeikan University , Kusatsu , Shiga 525-8577 , Japan
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25
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Makoye A, Pogrebnoi A, Pogrebnaya T. Lawsone isomers, lawsone ether and bilawsone for dye-sensitized solar cells applications: DFT and UV-Vis studies. J Mol Graph Model 2019; 94:107457. [PMID: 31586755 DOI: 10.1016/j.jmgm.2019.107457] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2019] [Revised: 09/22/2019] [Accepted: 09/24/2019] [Indexed: 11/15/2022]
Abstract
Structural and optoelectronic properties of lawsone (L), lawsone ether (LE) and bilawsone (BL) were studied theoretically using the DFT and time-dependent DFT methods with hybrid functional B3LYP5 and 6-311G (2d,p) basis set. For the monomer lawsone molecule, isomerization reaction between two rotational isomers was analyzed based on a thermodynamic approach. The electronic spectra of the dyes molecules in a vacuum and solvents (DMSO and CH2Cl2) were computed. The maximum wavelengths were found at 355-408 nm for the LE and 350-448 nm for BL that indicated bands shift to visible range compared to L (340 nm). The UV-Vis spectra of the L and BL were measured experimentally in DMSO solution. For the BL, a broad and intensive band was observed in a visible region at 452 nm that apparently would favour sensitizing ability of the dye. The optoelectronic properties of the LE and BL showed them as more promising candidates for DSSCs applications compared to the individual lawsone dye.
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Affiliation(s)
- Amosi Makoye
- Department of Materials, Energy Science and Engineering, The Nelson Mandela African Institution of Science and Technology, Arusha, United Republic of Tanzania; Department of Natural Sciences, Mbeya University of Science and Technology, Mbeya, United Republic of Tanzania.
| | - Alexander Pogrebnoi
- Department of Materials, Energy Science and Engineering, The Nelson Mandela African Institution of Science and Technology, Arusha, United Republic of Tanzania.
| | - Tatiana Pogrebnaya
- Department of Materials, Energy Science and Engineering, The Nelson Mandela African Institution of Science and Technology, Arusha, United Republic of Tanzania.
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26
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Effect of combination of natural dyes and post-TiCl4 treatment in improving the photovoltaic performance of dye-sensitized solar cells. CR CHIM 2019. [DOI: 10.1016/j.crci.2019.08.002] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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27
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Pandey AK, Ahmad MS, Rahim NA, Tyagi VV, Saidur R. Natural Sensitizers and Their Applications in Dye-Sensitized Solar Cell. ENVIRONMENTAL BIOTECHNOLOGY: FOR SUSTAINABLE FUTURE 2019:375-401. [DOI: 10.1007/978-981-10-7284-0_15] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/02/2023]
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28
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Shaikh JS, Shaikh NS, Mali SS, Patil JV, Pawar KK, Kanjanaboos P, Hong CK, Kim JH, Patil PS. Nanoarchitectures in dye-sensitized solar cells: metal oxides, oxide perovskites and carbon-based materials. NANOSCALE 2018; 10:4987-5034. [PMID: 29488524 DOI: 10.1039/c7nr08350e] [Citation(s) in RCA: 37] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
Dye-sensitized solar cells (DSSCs) have aroused great interest and been regarded as a potential renewable energy resource among the third-generation solar cell technologies to fulfill the 21st century global energy demand. DSSCs have notable advantages such as low cost, easy fabrication process and being eco-friendly in nature. The progress of DSSCs over the last 20 years has been nearly constant due to some limitations, like poor long-term stability, narrow absorption spectrum, charge carrier transportation and collection losses and poor charge transfer mechanism for regeneration of dye molecules. The main challenge for the scientific community is to improve the performance of DSSCs by using different approaches, like finding new electrode materials with suitable nanoarchitectures, dyes in composition with promising semiconductors and metal quantum dot fluorescent dyes, and cost-effective hole transporting materials (HTMs). This review focuses on DSSC photo-physics, which includes charge separation, effective transportation, collection and recombination processes. Different nanostructured materials, including metal oxides, oxide perovskites and carbon-based composites, have been studied for photoanodes, and counter electrodes, which are crucial to achieve DSSC devices with higher efficiency and better stability.
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Affiliation(s)
- Jasmin S Shaikh
- Thin film materials laboratory, Department of Physics, Shivaji University, Kolhapur 416004, India.
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29
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Feng Y, Cheng H, Han J, Zheng X, Liu Y, Yang Y, Zhang L. Chlorophyll sensitized BiVO 4 as photoanode for solar water splitting and CO 2 conversion. CHINESE CHEM LETT 2017. [DOI: 10.1016/j.cclet.2017.10.025] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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30
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Phan QH, Lo YL. Stokes-Mueller matrix polarimetry technique for circular dichroism/birefringence sensing with scattering effects. JOURNAL OF BIOMEDICAL OPTICS 2017; 22:47002. [PMID: 28384706 DOI: 10.1117/1.jbo.22.4.047002] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/16/2016] [Accepted: 03/22/2017] [Indexed: 06/07/2023]
Abstract
A surface plasmon resonance (SPR)-enhanced method is proposed for measuring the circular dichroism (CD), circular birefringence (CB), and degree of polarization (DOP) of turbid media using a Stokes–Mueller matrix polarimetry technique. The validity of the analytical model is confirmed by means of numerical simulations. The simulation results show that the proposed detection method enables the CD and CB properties to be measured with a resolution of 10 ? 4 refractive index unit (RIU) and 10 ? 5 ?? RIU , respectively, for refractive indices in the range of 1.3 to 1.4. The practical feasibility of the proposed method is demonstrated by detecting the CB/CD/DOP properties of glucose–chlorophyllin compound samples containing polystyrene microspheres. It is shown that the extracted CB value decreases linearly with the glucose concentration, while the extracted CD value increases linearly with the chlorophyllin concentration. However, the DOP is insensitive to both the glucose concentration and the chlorophyllin concentration. Consequently, the potential of the proposed SPR-enhanced Stokes–Mueller matrix polarimetry method for high-resolution CB/CD/DOP detection is confirmed. Notably, in contrast to conventional SPR techniques designed to detect relative refractive index changes, the SPR technique proposed in the present study allows absolute measurements of the optical properties (CB/CD/DOP) to be obtained.
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Affiliation(s)
- Quoc-Hung Phan
- National Cheng Kung University, Mechanical Engineering Department, Tainan, Taiwan
| | - Yu-Lung Lo
- National Cheng Kung University, Mechanical Engineering Department, Tainan, TaiwanbNational Cheng Kung University, Advanced Optoelectronic Technology Center, Tainan, Taiwan
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31
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Phan QH, Lo YL, Huang CL. Surface plasmon resonance prism coupler for enhanced circular dichroism sensing. OPTICS EXPRESS 2016; 24:12812-12824. [PMID: 27410300 DOI: 10.1364/oe.24.012812] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
A novel method for enhanced circular dichroism (CD) detection is proposed based on a surface plasmon resonance (SPR) prism coupler and a polarization scanning ellipsometry technique. An analytical model is derived to extract the CD and degree of polarization (DOP) properties of optical samples with and without scattering effects, respectively. The validity of the analytical model is confirmed by means of numerical simulations. The simulation results show that the proposed detection method has a sensitivity of 10-5~10-6 RIU (refractive index unit) for refractive indices in the range of 1.32~1.36 and 1.3100~1.3118. The practical feasibility of the proposed method is demonstrated by the experimental results for the sensitivity of the CD with the chlorophyllin samples with/without scattering effect. It is shown that for both types of sample, the extracted CD value increases linearly with the chlorophyll concentration over the considered range. In general, the results obtained in this study show that the measured CD response is highly sensitive to the polarization scanning angle. Consequently, the potential of polarization scanning ellipsometry for high-resolution CD detection is confirmed.
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