Article
Engineering, Environmental
Shanmuganathan Venkatesan, Tzu-Hsien Hsu, Xin-Wen Wong, Hsisheng Teng, Yuh-Lang Lee
Summary: By using transparent photoelectrodes and counter electrodes in tandem DSSCs, and regulating the film thicknesses of the top and bottom cells, both light harvest and charge transfer performance can be improved simultaneously, leading to an increased conversion efficiency of the solar cells.
CHEMICAL ENGINEERING JOURNAL
(2022)
Article
Materials Science, Multidisciplinary
Wen-Feng Lai, Yu-Chih Chiang, Jiun-How Yueh, Tz-Feng Lin, Jih-Hsin Liu, Ying-Nan Lai, Wen-Hsuan Lai, Wei-Chou Hsu, Chia-Yi Huang
Summary: In this study, a counter electrode is fabricated by coating a Pt ribbon onto a fluorine-doped tin oxide glass substrate with a Pt layer. The experimental results show that the photoelectric efficiency of the dye-sensitized solar cell (DSSC) with the Pt ribbon is 5.32%, which is 21% higher than that of the DSSC without a Pt ribbon. This suggests that Pt ribbons can increase the photoelectric efficiencies of DSSCs. The DSSC with the Pt ribbon has a large photoelectric efficiency of 5.32% due to its protrusive structure with specific channels for directional electron transport and its large surface area.
Article
Chemistry, Multidisciplinary
Shanmuganathan Venkatesan, Wei-Hsun Lin, Tzu-Hsien Hsu, Hsisheng Teng, Yuh-Lang Lee
Summary: The research focuses on developing high-performance counter electrodes for bifacial dye-sensitized solar cells using nonplatinum material to achieve low-cost and high-efficiency solar cells. By controlling the thickness of the PEDOT film, higher cell performance was achieved. The newly developed sandwich photoelectrode structure exhibited higher efficiency for the solar cells.
ACS SUSTAINABLE CHEMISTRY & ENGINEERING
(2022)
Review
Chemistry, Multidisciplinary
Ana Belen Munoz-Garcia, Iacopo Benesperi, Gerrit Boschloo, Javier J. Concepcion, Jared H. Delcamp, Elizabeth A. Gibson, Gerald J. Meyer, Michele Pavone, Henrik Pettersson, Anders Hagfeldt, Marina Freitag
Summary: Dye-sensitized solar cells (DSCs) and dye-sensitized photoelectrochemical cells (DSPECs) have seen a revival in recent years as they offer unique properties such as low cost, non-toxic materials, colorfulness, transparency, and efficiency in low light conditions. This review covers advancements in DSC technology over the past decade, including theoretical studies, characterization techniques, materials, applications, and commercialization efforts by various companies.
CHEMICAL SOCIETY REVIEWS
(2021)
Article
Energy & Fuels
Adel Daoud, Ali Cheknane, Afek Meftah, Jean Michel Nunzi, Manal Shalabi, Hikmat S. Hilal
Summary: Dye-sensitized solar cells (DSSCs) are gaining attention as alternatives to traditional photovoltaic solar cells due to their easy manufacturing methods, understandable operating mechanisms, and environmental friendliness. In these solar cells, the competition between electron-hole charge separation and recombination processes determines the fate of the excited electron, while the type of electrolyte determines the competition between recombination reactions and dye regeneration. Despite early studies on combining p-DSSCs and n-DSSCs to create t-DSSCs, the performance is usually poor due to the competing processes, necessitating improvements in DSSCs. This article focuses on the effects of using NiO as a working electrode and discusses the impact of sensitizer, redox couple, and transparent conducting oxide electrode on cell performance.
Article
Materials Science, Multidisciplinary
Gang Wang, Li-Jiao Ma, Bing-Xin Lei, Heng Wu, Zhao-Qing Liu
Summary: Two-dimensional Ti3C2 material with unique electronic, optical, and plasmonic properties has a wide range of applications in photovoltaics. In this study, Ti3C2 nanosheets-modified P25 nanoparticles were used as photoanode films for dye-sensitized solar cells, and the resulting efficiency was significantly improved compared to pure P25.
Article
Chemistry, Multidisciplinary
Amanpal Singh, Yogesh Kumar Saini, Anuj Kumar, Sanjeev Gautam, Dinesh Kumar, Viresh Dutta, Han-koo Lee, Jongsu Lee, Sanjay Kumar Swami
Summary: Graphene oxide (GO) nano-powder is synthesized using the modified Hummer's method and thin films are deposited using a GO water solution. The thermal reduction of GO allows for control of microstructural, electrical, and optical properties. The addition of reduced GO nano-powder to TiO2 paste significantly improves the performance of dye-sensitized solar cells (DSSCs) compared to unmodified TiO2 photoanodes.
Article
Materials Science, Multidisciplinary
M. Rekha, Renuka Yadav, L. Cindrella
Summary: Dye-sensitized solar cells (DSSCs) with Ni1-xFexMnO3 (x=0, 0.2, 0.5, 0.8, 1.0) perovskite nanoparticles as photoanodes are investigated in this study. The synthesized perovskites exhibit impressive optical properties and suitable surface morphologies for DSSC application. Compared to pristine NiMnO3-based DSSCs, the DSSCs with iron-incorporated NiMnO3 photoanodes show increased power conversion efficiency (PCE). Among the materials studied, Ni0.2Fe0.8MnO3-based DSSC achieves the highest PCE of 0.79% and a high open-circuit voltage (VOC) of 0.95 V. The optimized stoichiometry of perovskite composition is attributed to the alignment of the conduction band edge with the lowest unoccupied molecular orbital (LUMO) of N3 dye sensitizer. FeMnO3-based DSSC exhibits the highest VOC of 1.02 V. These findings provide a pathway for unconventional perovskite materials to be used as promising photoanodes in DSSCs, leading to increased VOC and PCE.
Article
Nanoscience & Nanotechnology
Pei-Hsuan Chang, Manik Chandra Sil, Kamani Sudhir K. Reddy, Ching-Hsuan Lin, Chih-Ming Chen
Summary: By synthesizing PI-COFs and doping them into the TiO2 photoelectrode of DSSC, the power conversion efficiency of the cell was improved, showcasing promise for enhancing solar efficiency in the development of DSSCs.
ACS APPLIED MATERIALS & INTERFACES
(2022)
Review
Chemistry, Multidisciplinary
Sultana Rahman, Abdul Haleem, Muhammad Siddiq, Muhammad Khalid Hussain, Samina Qamar, Safia Hameed, Muhammad Waris
Summary: The financial progress of a country depends heavily on the energy sector, which is crucial for the growth and development of various industries. The use of renewable resources is essential to overcome the energy crisis and reduce the negative impact of hydrocarbon fuels on the environment. This review focuses on the dyes used in dye-sensitized solar cells (DSSC) and discusses the progress in both inorganic and natural dyes.
Article
Energy & Fuels
Mahesh Dhonde, Kirti Sahu, V. V. S. Murty
Summary: Cu-doped TiO2/graphene (CuTGR) composites were prepared for the first time in this study and applied to DSSC anodes. Surface morphological and elemental analysis showed uniform distribution of Cu and graphene in the composite with desired morphology. Addition of graphene improved dye loading ability and charge transport, leading to increased power conversion efficiency in DSSC.
Article
Materials Science, Multidisciplinary
Fengjuan Miao, Fuchen Chu, Bingcheng Sun, Bairui Tao, Peng Zhang, Yu Zang, Paul K. Chu
Summary: This study presents the design and fabrication of a photoanode composed of Au/SnS/TiO2 sensitized with natural dye for dye-sensitized solar cells (DSSCs). By calcination, a layer of spherical nano-TiO2 is prepared, and a layer of nano-SnS is deposited on the TiO2 photoanode using the continuous ion layer adsorption reaction (SILAR). The sensitized Au nanoparticles exhibit enhanced localized surface plasmon resonance (LSPR) effects and electron trapping ability, resulting in improved electron mobility and reduced electron recombination in the DSSC.
JOURNAL OF MATERIALS RESEARCH AND TECHNOLOGY-JMR&T
(2022)
Review
Chemistry, Multidisciplinary
Nick Vlachopoulos, Michael Gratzel, Anders Hagfeldt
Summary: This review introduces the application of electronically conducting polymers as hole conductors in solid-state dye solar cells. It covers the basic principles of dye solar cell operation, electrochemical polymerization, and different configurations of S-DSSCs.
Article
Nanoscience & Nanotechnology
Shenghua He, Zhang Lan, Bo Zhang, Yueyue Gao, Luwen Shang, Gentian Yue, Shanshan Chen, Zhitao Shen, Furui Tan, Jihuai Wu
Summary: In this study, a two-dimensional material, Ti3C2Tx, was incorporated into titanium dioxide to improve the performance of organic electronics. The Ti3C2Tx/TiO2 hybrid film showed enhanced photon absorption, reduced charge carrier recombination, and efficient charge carrier collection. The hybrid film also enhanced the detectivity and shortened the responsivity of self-powered photodetectors.
ACS APPLIED MATERIALS & INTERFACES
(2022)
Article
Chemistry, Physical
Shenghua He, Luwen Shang, Yueyue Gao, Yan Shi, Furui Tan, Xiaoming Chen, Gentian Yue
Summary: The use of TSi molecule effectively reduces charge recombination in DSSCs, improving PCE, enhancing humidity resistance, and long-term stability.
JOURNAL OF ALLOYS AND COMPOUNDS
(2022)
Article
Chemistry, Multidisciplinary
Manuel Kober-Czerny, Silvia Genaro Motti, Philippe Holzhey, Bernard Wenger, Jongchul Lim, Laura Maria Herz, Henry James Snaith
Summary: The charge carrier transport properties in layered perovskites, specifically 2D perovskite PEA(2)PbI(4), were investigated. The study found that layered perovskites have higher long-range and short-range mobilities, indicating that polycrystalline thin films have single-crystal-like qualities.
ADVANCED FUNCTIONAL MATERIALS
(2022)
Article
Engineering, Environmental
Felix Schmidt, Luca Ledermann, Andreas Schaeffer, Henry J. Snaith, Markus Lenz
Summary: The availability of leached lead from perovskite solar cells is naturally limited in soils and its adverse effects on soil biota are possibly negligible, suggesting that established risk assessment considerations for lead remain valid.
JOURNAL OF HAZARDOUS MATERIALS
(2022)
Article
Multidisciplinary Sciences
Jongchul Lim, Manuel Kober-Czerny, Yen-Hung Lin, James M. Ball, Nobuya Sakai, Elisabeth A. Duijnstee, Min Ji Hong, John G. Labram, Bernard Wenger, Henry J. Snaith
Summary: In this study, the authors demonstrate a novel method to estimate long-range mobilities of perovskite thin-films and single crystals by taking early-time carrier dynamics into account.
NATURE COMMUNICATIONS
(2022)
Article
Chemistry, Multidisciplinary
Hochan Song, Jonghee Yang, Woo Hyeon Jeong, Jeongjae Lee, Tack Ho Lee, Jung Won Yoon, Hajin Lee, Alexandra J. Ramadan, Robert D. J. Oliver, Seong Chan Cho, Seul Gi Lim, Ji Won Jang, Zhongkai Yu, Jae Taek Oh, Eui Dae Jung, Myoung Hoon Song, Sung Heum Park, James R. Durrant, Henry J. Snaith, Sang Uck Lee, Bo Ram Lee, Hyosung Choi
Summary: This study explores a method to achieve high efficiency and stability in semiconducting lead halide perovskite nanocrystals (PNCs) through a single processing strategy by finding suitable surface ligands. The PNC ink prepared using this method can be used to fabricate both LED and PV devices, with peak electroluminescence external quantum efficiency of 17.00% and power conversion efficiency of 14.92%. It is found that a careful design of the aromatic rings in the ligands is crucial for achieving high performance, ease of processing, and improved phase stability. This research demonstrates the role of ligand design in PNC ink formulations for high-throughput production of optoelectronic devices and paves the way for dual-mode devices with both PV and LED functionalities.
ADVANCED MATERIALS
(2023)
Article
Chemistry, Multidisciplinary
Shuaifeng Hu, Pei Zhao, Kyohei Nakano, Robert D. J. Oliver, Jorge Pascual, Joel A. A. Smith, Takumi Yamada, Minh Anh Truong, Richard Murdey, Nobutaka Shioya, Takeshi Hasegawa, Masahiro Ehara, Michael B. B. Johnston, Keisuke Tajima, Yoshihiko Kanemitsu, Henry J. J. Snaith, Atsushi Wakamiya
Summary: In this study, it is found that the surface treatment of mixed tin-lead halide perovskite films with piperazine promotes charge extraction, and combined treatment with CPTA reduces hysteresis and improves efficiency and stability of solar cells.
ADVANCED MATERIALS
(2023)
Article
Chemistry, Multidisciplinary
Peng Chen, Yun Xiao, Lei Li, Lichen Zhao, Maotao Yu, Shunde Li, Juntao Hu, Bin Liu, Yingguo Yang, Deying Luo, Cheng-Hung Hou, Xugang Guo, Jing-Jong Shyue, Zheng-Hong Lu, Qihuang Gong, Henry J. J. Snaith, Rui Zhu
Summary: An improved two-step sequential deposition technique is demonstrated for inverted-structure metal halide perovskite solar cells (PSCs), resulting in significantly enhanced performance. The bottom organic hole-selective layer is treated with a binary modulation system, leading to the refinement of up and buried interfaces for the perovskite films and improved charge transportation. The optimized PSCs achieve a high power conversion efficiency of 23.4% and demonstrate good operational and thermal stability.
ADVANCED MATERIALS
(2023)
Article
Chemistry, Physical
David P. McMeekin, Philippe Holzhey, Sebastian O. Furer, Steven P. Harvey, Laura T. Schelhas, James M. Ball, Suhas Mahesh, Seongrok Seo, Nicholas Hawkins, Jianfeng Lu, Michael B. Johnston, Joseph J. Berry, Udo Bach, Henry J. Snaith
Summary: Achieving long-term stability is the key challenge for widespread commercialization of perovskite solar cells. This study introduces a high-temperature dimethyl-sulfoxide-free processing method to control the crystallization of perovskite films, effectively improving the material quality and operational stability of the devices. The encapsulated devices showed improved lifetimes, with a median T80 of 1,190 hours and a champion device reaching a T80 of 1,410 hours.
Review
Chemistry, Physical
Osbel Almora, Derya Baran, Guillermo C. Bazan, Carlos I. Cabrera, Sule Erten-Ela, Karen Forberich, Fei Guo, Jens Hauch, Anita W. Y. Ho-Baillie, T. Jesper Jacobsson, Rene A. J. Janssen, Thomas Kirchartz, Nikos Kopidakis, Maria A. Loi, Richard R. Lunt, Xavier Mathew, Michael D. McGehee, Jie Min, David B. Mitzi, Mohammad K. Nazeeruddin, Jenny Nelson, Ana F. Nogueira, Ulrich W. Paetzold, Barry P. Rand, Uwe Rau, Henry J. Snaith, Eva Unger, Lidice Vaillant-Roca, Chenchen Yang, Hin-Lap Yip, Christoph J. Brabec
Summary: This article summarizes the best achievements in the performance of emerging photovoltaic devices in various research subjects, as reported in peer-reviewed articles since August 2021. The article provides updated graphs, tables, and analyses of performance parameters, and compares them based on the photovoltaic bandgap energy and average visible transmittance. The scope of the report is expanded to include triple junction solar cells.
ADVANCED ENERGY MATERIALS
(2023)
Article
Chemistry, Physical
Jarla Thiesbrummel, Francisco Pena-Camargo, Kai Oliver Brinkmann, Emilio Gutierrez-Partida, Fengjiu Yang, Jonathan Warby, Steve Albrecht, Dieter Neher, Thomas Riedl, Henry J. Snaith, Martin Stolterfoht, Felix Lang
Summary: Understanding the performance losses in all-perovskite tandem photovoltaics is crucial for advancing toward commercialization. This study characterizes the individual sub-cells in all-perovskite tandem stacks and shows that non-radiative losses dominate the overall recombination. Through various approaches, the open-circuit voltage of the high-gap perovskite subcell is enhanced, leading to improved efficiency in all-perovskite tandem solar cells.
ADVANCED ENERGY MATERIALS
(2023)
Article
Chemistry, Multidisciplinary
Emil G. Dyrvik, Jonathan H. Warby, Melissa M. McCarthy, Alexandra J. Ramadan, Karl-Augustin Zaininger, Andreas E. Lauritzen, Suhas Mahesh, Robert A. Taylor, Henry J. Snaith
Summary: In this study, a thin Al2O3 layer grown by atomic layer deposition was used to selectively cover regions of imperfect hole transport layer deposition and form an intermixed composite with the organic transport layer. This technique improved electroluminescent external quantum efficiency in PeLEDs by reducing nonradiative recombination and improving carrier selectivity. The results show great potential for scale-up and application in other fields.
Article
Engineering, Environmental
Felix Schmidt, Meret Amrein, Sebastian Hedwig, Manuel Kober-Czerny, Adriana Paracchino, Ville Holappa, Riikka Suhonen, Andreas Schaeffer, Edwin C. Constable, Henry J. Snaith, Markus Lenz
Summary: Perovskite solar cells, which rely on the use of lead, face potential environmental concerns. A recycling process using hot water was demonstrated to effectively extract lead from synthetic precursor mixes, plastic-based, and glass-based perovskites with high efficiency. The extracted lead can be precipitated in high purity, allowing for its recovery. This straightforward method mitigates the risk of lead leaching at the end-of-life of perovskite solar cells.
JOURNAL OF HAZARDOUS MATERIALS
(2023)
Article
Chemistry, Physical
Elena J. J. Cassella, Emma L. K. Spooner, Joel A. A. Smith, Timothy Thornber, Mary E. E. O'Kane, Robert D. J. Oliver, Thomas E. E. Catley, Saqlain Choudhary, Christopher J. J. Wood, Deborah B. B. Hammond, Henry J. J. Snaith, David G. G. Lidzey
Summary: Solvent-engineered deposition of high crystalline perovskite thin-films at room temperature using gas-quenching method has been achieved, leading to the fabrication of annealing-free perovskite solar cells (PSCs) with stabilized power conversion efficiencies (PCEs) up to 18.0%. Self-assembled molecules have been used as the hole-transporting layer, further improving the stabilized PCEs of annealing-free devices to 17.1%. This study provides a new approach for large-scale production of annealing-free PSCs.
ADVANCED ENERGY MATERIALS
(2023)
Review
Chemistry, Physical
Xinyu Shen, Keehoon Kang, Zhongkai Yu, Woo Hyeon Jeong, Hyosung Choi, Sung Heum Park, Samuel D. Stranks, Henry J. Snaith, Richard H. Friend, Bo Ram Lee
Summary: Despite the well-established defect tolerance of metal halide perovskites (MHPs), various sources of defects in MHPs, such as grain boundaries, colloidal nanocrystal surfaces, and heterointerfaces with charge-transport layers, significantly affect the efficiency and stability of LEDs. Defect passivation strategies are essential for improving device performance.
Article
Chemistry, Physical
Amir A. Haghighirad, Matthew T. Klug, Liam Duffy, Junjie Liu, Arzhang Ardavan, Gerrit van der Laan, Thorsten Hesjedal, Henry J. Snaith
Summary: Substitution of Co2+ into methylammonium lead triiodide lattice imparts magnetic behavior while maintaining photovoltaic performance. Co2+ ions are used as probes to sense the local electronic environment of Pb, revealing their incorporation into the perovskite. This work provides a comprehensive understanding of transition metal incorporation, opening the gateway for developing novel perovskite materials and devices.
Article
Chemistry, Multidisciplinary
M. Karpinska, J. Jasinski, R. Kempt, J. D. Ziegler, H. Sansom, T. Taniguchi, K. Watanabe, H. J. Snaith, A. Surrente, M. Dyksik, D. K. Maude, L. Klopotowski, A. Chernikov, A. Kuc, M. Baranowski, P. Plochocka
Summary: van der Waals crystals provide unprecedented flexibility for heterostructure design, and the combination of two-dimensional perovskites with transition metal dichalcogenides has shown potential for hybrid opto-electronic devices. This study investigates the excitation transfer mechanism in TMD/2D perovskite heterostructures, and finds that charge transfer can occur from TMDs to 2D perovskites, while electron transfer is blocked, resulting in the formation of interlayer excitons. Additionally, it is shown that the energy transfer mechanism can be activated by aligning excitonic states.