Enhancing solar energy harvesting through TiO2-Fe2O3 composite photoanodes sensitized with natural dyes in photovoltaic cells
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Abstract
Abstract This study investigated the enhancement of photovoltaic efficiency of dye-sensitized solar cells (DSSCs) through titanium dioxide (TiO 2 ) anodes composite with iron oxide (Fe 2 O 3 ). TiO 2 with Fe 2 O 3 at different weight percentages (0–30 wt%) were employed as photoanodes in DSSCs, prepared via mechanical mixing. Natural dyes extracted from Chrysanthemum violet and Alstroemeria flower petals were used as sensitizers, with platinum (Pt) cathode being employed to facilitate the photocatalytic process. The electronic excitation and molecule vibration characteristics of the dye molecules were investigated by UV-Vis and FTIR spectroscopy, respectively. For the analysis of the photovoltaic parameters, electrochemical characterizations were performed. The performances of the Chrysanthemum violet dye-sensitized cells with 10%, 20%, and 30% composite were 3.24%, 5.25%, and 4.15%, respectively, compared to 1.35% for the mere TiO 2 cells. Similarly, the photovoltaic conversion yields of the Alstroemeria dye-sensitized cells were 3.54%, 6.33%, and 5.74%, while the mere TiO 2 cells showed 1.74%. In both cases, composite with 20% Fe 2 O 3 resulted in the highest efficiency. The findings indicate that this doping technique substantially improves the performance of DSSCs, reaching up to four times the efficiency compared to the mere TiO 2 cells. These results are promising and reinforce the potential of DSSCs in sustainable electricity production.
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Research context
OpenAlex topics: TiO2 Photocatalysis and Solar Cells · Iron oxide chemistry and applications · Pigment Synthesis and Properties
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References (44)
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1. O.A. Adelekan, B.S. Ilugbusi, O. Adisa, O.C. Obi, K.F. Awonuga, O.F. Asuzu, N.L. Ndubuisi, Energy transition policies: a global review of shifts towards renewable sources. Eng. Sci. Technol. J. 5, 272–287 (2024). https://doi.org/10.51594/estj.v5i2.75210.51594/estj.v5i2.752 ↗
2. A. Triyanto, A. Nora’aini, S. Hasiah, S. Jan, I.Y. Norhafiza, Development of natural dye photosensitizers for dye-sensitized solar cells: a review. Environ. Sci. Pollut Res. 31, 31679–31690 (2024). https://doi.org/10.1007/s11356-024-33360-410.1007/s11356-024-33360-4 ↗
3. A.U. Hassan, S.H. Sumrra, M. Zubair, G. Mustafa, M.F. Nazar, M.N. Zafar, Structurally modulated D-π-D-A(Semiconductor) anchoring dyes to enhance the tunable NLO response: a DFT/TDDFT quest for new photovoltaic materials. Struct. Chem. 34, 1043–1060 (2023). https://doi.org/10.1007/s11224-022-02070-310.1007/s11224-022-02070-3 ↗
4. S. Xu, P. Huang, W. Zhong, Y. Luo, H. Fu, Z. Xiao, H. Jin, Y. Liu, Renewable flower-based dye-sensitized solar cells using natural dye and natural carbon counter electrode. Energy Adv. 4, 947–957 (2025). https://doi.org/10.1039/D5YA00086F10.1039/D5YA00086F ↗
5. A.S. Najm, S.A. Alwash, N.H. Sulaiman, M.S. Chowdhury, K. Techato, Environ. Prog. Sustain. Energy 42(1), e13955 (2023). https://doi.org/10.1002/ep.1395510.1002/ep.13955 ↗
6. M. Mahmoudi, A. Alizadeh, M. Roudgar-Amoli, Z. Shariatinia, Spectrochim. Acta A Mol. Biomol. Spectrosc. 289, 122214 (2023). https://doi.org/10.1016/j.saa.2022.12221410.1016/j.saa.2022.122214 ↗
7. C. Nizamudeen, R. Krishnapriya, M.S. Mozumder, A.-H.I. Mourad, T. Ramachandran, Photovoltaic performance of MOF-derived transition metal doped titania-based photoanodes for DSSCs. Sci. Rep. 13, 6345 (2023). https://doi.org/10.1038/s41598-023-33565-610.1038/s41598-023-33565-6 ↗
8. F. Rehman, N. Alam, M. Sohail, M. Ahmad, M.I. Siddiqui, M.I. Irshad, A. Mumtaz, J. Photochem. Photobiol. A Chem. 444, 114956 (2023). https://doi.org/10.1016/j.jphotochem.2023.11495610.1016/j.jphotochem.2023.114956 ↗
9. M. Abdullaev, A. Althomali, M. Alshahrani, M. Alshahrani, M. Alshahrani, Enhancing dye-sensitized solar cell performance by employing an innovative WSe₂:Zn counter electrode for improved electrocatalytic activity. Mater. Sci. Semicond. Process. 171, 108015 (2023). https://doi.org/10.1016/j.mssp.2023.10801510.1016/j.mssp.2023.108015 ↗
10. V. Gayathri, A. Muthukumar, C.R. Mohan, GQDs assisted Ba₆Co₂₅S₂₇/MWCNT composite as a promising candidate for supercapacitor and a perspective Pt-free counter electrode in DSSC for enhancing the short circuit current. Colloids Surf. A Physicochem. Eng. Asp. 683, 132973 (2024). https://doi.org/10.1016/j.colsurfa.2023.13297310.1016/j.colsurfa.2023.132973 ↗
11. J. Barichello, P. Mariani, L. Vesce, D. Spadaro, I. Citro, F. Matteocci, A. Bartolotta, A. Di Carlo, G. Calogero, Bifacial dye-sensitized solar cells for indoor and outdoor renewable energy-based application. J. Mater. Chem. C 12, 2317–2349 (2024). https://doi.org/10.1039/D3TC03220E10.1039/D3TC03220E ↗
12. A.M.B. Leite, J.A.F.C.R. Rodrigues, R.S. Babu, A.L.F. de Barros, Construction and characterization of organic photovoltaic cells sensitized by Chrysanthemum-based natural dye. Spectrochim. Acta A Mol. Biomol. Spectrosc. 284, 121780 (2023). https://doi.org/10.1016/j.saa.2022.12178010.1016/j.saa.2022.121780 ↗
13. L.R.B. da Conceição, H.O. da Cunha, A.M.B. Leite, R.S. Babu, S. Raja, C. Ribeiro, A.L.F. de Barros, Evaluation of solar conversion efficiency in dye-sensitized solar cells using natural dyes extracted from Alpinia purpurata and Alstroemeria flower petals as novel photosensitizers. Colorants 2, 618–631 (2023). https://doi.org/10.3390/colorants204003210.3390/colorants2040032 ↗
14. L.R.B. da Conceição, H.O. da Cunha, A.M.B. Leite, J.A.F.C.R. Rodrigues, R.S. Babu, A.L.F. de Barros, Investigation of nanostructured TiO₂ thin film coatings for DSSCs application using natural dye. Optik 300, 171635 (2024). https://doi.org/10.1016/j.ijleo.2024.17163510.1016/j.ijleo.2024.171635 ↗
15. B.C. Ferreira, R.S. Babu, L.R.B. da Conceição, H.O. da Cunha, D.M. Sampaio, L.M. Samyn, A.L.F. de Barros, Performance evaluation of DSSCs using naturally extracted dyes from petals of Lantana repens and Solidago canadensis flowers as light-harvesting units. Ionics 28, 5233–5242 (2022). https://doi.org/10.1007/s11581-022-04727-910.1007/s11581-022-04727-9 ↗
16. F.M.M. dos Santos, A.M.B. Leite, L.R.B. da Conceição, Y. Sasikumar, R. Atchudan, M.F. Pinto, R.S. Babu, A.L.F. de Barros, Effect of bandgap energies by various color petals of Gerbera jamesonii flower dyes as a photosensitizer on enhancing the efficiency of dye-sensitized solar cells. J. Mater. Sci. Mater. Electron. 33, 20338–20352 (2022). https://doi.org/10.1007/s10854-022-08849-810.1007/s10854-022-08849-8 ↗
17. F.C. Ferreira, R.S. Babu, A.L.F. de Barros, S. Raja, L.R.B. da Conceição, L.H.C. Mattoso, Photoelectric performance evaluation of DSSCs using the dye extracted from different color petals of Leucanthemum vulgare flowers as novel sensitizers. Spectrochim. Acta Part A Mol. Biomol. Spectrosc. 233, 118198 (2020). https://doi.org/10.1016/j.saa.2020.11819810.1016/j.saa.2020.118198 ↗
18. G.A. Alamu, P.S. Ayanlola, K.K. Babalola, O. Adedokun, Y.K. Sanusi, G.R. Fajinmi, Green synthesis and characterizations of magnetic iron oxide nanoparticles using Moringa oleifera extract for improved performance in dye-sensitized solar cell. Chem. Phys. Impact 8, 100542 (2024). https://doi.org/10.1016/j.chphi.2024.10054210.1016/j.chphi.2024.100542 ↗
19. S. Huang, J. Shen, Y. Wu, X. Li, Y. Ma, Y. Xie, C. Yu, Y. Zhang, J. Zhang, Bi2O2CO3 co-catalyst modification BiOBr driving efficient photoreduction CO2. Colloids Surf. A, Physicochem. Eng. Asp. 725, 137731 (2025). https://doi.org/10.1016/j.colsurfa.2025.13773110.1016/j.colsurfa.2025.137731 ↗
20. N. Ahmadi, R. Yeganeh, M. Valizadeh, T. Valadbeigi, Improvement of the fill factor characteristic of TiO₂-based dye-sensitive solar cell using lichen Collema nigra. Opt. Mater. 131, 112638 (2022). https://doi.org/10.1016/j.optmat.2022.11263810.1016/j.optmat.2022.112638 ↗
21. G.N. Arka, S.B. Prasad, S.C. Singh, Comprehensive study on dye sensitized solar cell in subsystem level to excel performance potential: a review. Sol. Energy 226, 192–213 (2021). https://doi.org/10.1016/j.solener.2021.08.03710.1016/j.solener.2021.08.037 ↗
22. N. Wetchakun, B. Incessungvorn, K. Wetchakun, S. Phanichphant, Influence of calcination temperature on anatase to rutile phase transformation in TiO2 nanoparticles synthesized by the modified sol–gel method. Mater. Lett. 82, 195–198 (2012). https://doi.org/10.1016/j.matlet.2012.05.09210.1016/j.matlet.2012.05.092 ↗
23. H.A. Mahmoud, K. Narasimharao, T.T. Ali, K.M.S. Khalil, Acidic peptizing agent effect on anatase-rutile ratio and photocatalytic performance of TiO2 nanoparticles. Nanoscale Res. Lett. 13, 48 (2018). https://doi.org/10.1186/s11671-018-2465-x10.1186/s11671-018-2465-x ↗
24. H. Mansour, H. Letifi, R. Bargougui, S.D. Almeida‑Didry, B. Negulescu, C. Autret‑Lambert, A. Gadri, S. Ammar, Appl. Phys. A 123, 787 (2017). https://doi.org/10.1007/s00339-017-1408-110.1007/s00339-017-1408-1 ↗
25. M. Hjiri, Highly sensitive NO2 gas sensor based on hematite nanoparticles synthesized by sol–gel technique. J. Mater. Sci. Mater. Electron. 31, 5025–5031 (2020). https://doi.org/10.1007/s10854-020-03069-410.1007/s10854-020-03069-4 ↗
26. C. Cao, C. Hu, W. Shen, S. Wang, S. Song, M. Wang, Improving photoelectrochemical performance by building Fe2O3 heterostructure on TiO2 nanorod arrays. Mater. Res. Bull. 70, 155–162 (2015). https://doi.org/10.1016/j.materresbull.2015.04.03610.1016/j.materresbull.2015.04.036 ↗
27. Q. Mei, F. Zhang, N. Wang, Y. Yang, W. Wang, TiO2/Fe2O3 heterostructures with enhanced photocatalytic reduction of Cr(VI) under visible light irradiation. RSC Adv. 9, 22764–22771 (2019). https://doi.org/10.1039/c9ra03531a10.1039/c9ra03531a ↗
28. M. Sakar, R.M. Prakash, T.-O. Do, Insights into the TiO2-based photocatalytic systems and their mechanisms. Catalysts 9, 680 (2019). https://doi.org/10.3390/catal908068010.3390/catal9080680 ↗
29. P. Dhamodharan, J. Chen, C. Manoharan, Fabrication of In doped ZnO thin films by spray pyrolysis as photoanode in DSSCs. Surfaces and Interfaces 23, 100965 (2021). https://doi.org/10.1016/j.surfin.2021.10096510.1016/j.surfin.2021.100965 ↗
30. U. Mahajan, K. Prajapat, M. Dhonde, K. Sahu, P.M. Shirage, Natural dyes for dye-sensitized solar cells (DSSCs): an overview of extraction, characterization and performance. Nano-Structures & Nano-Objects 37, 101111 (2024). https://doi.org/10.1016/j.nanoso.2024.10111110.1016/j.nanoso.2024.101111 ↗
31. A. Manimekalai, R. Parimaladevi, M. Umadevi, Enriched In2O3/WO3 nanocomposites as photoanode for a dye-sensitized solar cell in photo powered energy system. Mater. Lett. 319, 132285 (2022). https://doi.org/10.1016/j.matlet.2022.13228510.1016/j.matlet.2022.132285 ↗
32. G.K. Karaoğlan, A. Hışır, Y.E. Maden, M.Ö. Karakuş, A. Koca, Synthesis, characterization, electrochemical, spectroelectrochemical properties, and dye-sensitized solar cell performance of phthalocyanines containing carboxylic acid anchoring groups as photosensitizers. Dyes Pigm. 204, 110390 (2022). https://doi.org/10.1016/j.dyepig.2022.11039010.1016/j.dyepig.2022.110390 ↗
33. S. Venkatesan, Y.Y. Chen, H. Teng, Y.L. Lee, Enhanced adsorption on TiO2 photoelectrodes of dye-sensitized solar cells by electrochemical methods dye. J. Alloys Compd. 903, 163959 (2022). https://doi.org/10.1016/j.jallcom.2022.16395910.1016/j.jallcom.2022.163959 ↗
34. J. Conradie, Effective dyes for DSSCs–important experimental and calculated parameters. Energy Nexus 13, 100282 (2024). https://doi.org/10.1016/j.nexus.2024.10028210.1016/j.nexus.2024.100282 ↗
35. Y. Kumar, T. Chhalodia, P.K.G. Bedi, P.L. Meena, Photoanode modified with nanostructures for efficiency enhancement in DSSC: a review. Carbon Lett. 33, 35–58 (2023). https://doi.org/10.1007/s42823-022-00422-x10.1007/s42823-022-00422-x ↗
36. A. Agrawal, S.A. Siddiqui, A.K. Soni, G.D. Sharma, Advancements, frontiers and analysis of metal oxide semiconductor, dye, electrolyte and counter electrode of dye-sensitized solar cell. Sol Energy. 231, 16–30 (2022). https://doi.org/10.1016/j.solener.2022.01.02710.1016/j.solener.2022.01.027 ↗
37. F. Job, S. Mathew, R. Rajendran, T. Meyer, S. Narbey, An investigation on the performance of dye-sensitized solar cell at various light intensities. Mater. Today Proc. 43, 3386–3390 (2021). https://doi.org/10.1016/j.matpr.2020.08.37210.1016/j.matpr.2020.08.372 ↗
38. S.M. Amir-Al Zumahi, N. Arobi, M.M. Rahman, M.K. Hossain, M.A.J. Rozy, M.S. Bashar, A. Amri, H. Kabir, M.A. Hossain, F. Ahmed, Understanding the optical behaviours and the power conversion efficiency of novel organic dye and nanostructured TiO₂ based integrated DSSCs. Sol Energy. 226, 267–276 (2021). https://doi.org/10.1016/j.solener.2021.07.02410.1016/j.solener.2021.07.024 ↗
39. S. Rudra, H.-S. Seo, S. Sarker, D.M. Kim, Simulation and electrochemical impedance spectroscopy of dye-sensitized solar cells. J. Indus Eng. Chem. 97, 574–583 (2021). https://doi.org/10.1016/j.jiec.2021.03.01010.1016/j.jiec.2021.03.010 ↗
40. A. Daoud, A. Cheknane, A. Meftah, J.-M. Nunzi, M. Shalabi, H.S. Hilal, Spatial separation strategies to control charge recombination and dye regeneration in p-type dye sensitized solar cells. Solar Energy 236, 107–152 (2022). https://doi.org/10.1016/j.solener.2022.02.05010.1016/j.solener.2022.02.050 ↗
41. L. Yu, Z. Li, Mater. Sci. Semicond. Process. 149, 106881 (2022). https://doi.org/10.1016/j.mssp.2022.10688110.1016/j.mssp.2022.106881 ↗
42. A.J.A. Abiodun, G.A. Alamu, O. Adedokun, O.O. Daramola, Y.K. Sanusi, Iron oxide green synthesized nanoparticles for improved performance in monolithic dye sensitized solar cells. LAUTECH J. Eng. Technol. 18, 128–137 (2024). https://doi.org/10.36108/laujet/4202.81.022110.36108/laujet/4202.81.0221 ↗
43. H.O. da Cunha, A.M.B. Leite, P.S. Ramesh, R.S. Babu, A.L.F. de Barros, Improved solar cells efficiency with TiO₂/CuO nanocomposite as photoanode sensitized by natural dyes from scarlet eggplant, pitomba and black grapes. J. Mater. Sci. Mater. Electron. 36, 35 (2025). https://doi.org/10.1007/s10854-024-14106-x10.1007/s10854-024-14106-x ↗
44. N. Kanjana, W. Maiaugree, P. Poolcharuansin, P. Laokul, Synthesis and characterization of Fe-doped TiO₂ hollow spheres for dye-sensitized solar cell applications. Materials Science and Engineering: B 271, 115311 (2021). https://doi.org/10.1016/j.mseb.2021.11531110.1016/j.mseb.2021.115311 ↗