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Article
Geosciences, Multidisciplinary
Yong-Fei Zheng
Summary: Plate tectonics is a theory about the movement of the Earth's crust, with the crust being divided into different plates that move relative to each other. This theory explains the processes of continental drift, seafloor spreading, and lithospheric subduction, and how they shape the Earth's surface over time.
SCIENCE CHINA-EARTH SCIENCES
(2023)
Article
Chemistry, Multidisciplinary
Xueyun Wu et al.
Summary: By utilizing a nanostructured tin oxide nanorods substrate and introducing a chlorine-terminated bifunctional supramolecule, the efficiency and stability of green-solvent-processed perovskite solar cells have been improved.
MATERIALS HORIZONS
(2023)
Article
Chemistry, Physical
Zhanfei Zhang et al.
Summary: A DMSO-free solvent strategy using N,N'-dimethylpropyleneurea (DMPU) is demonstrated to improve the performance and stability of Cs(0.25)FA(0.75)Pb(0.5)Sn(0.5)I(3) solar cells by suppressing precursor oxidation and uncontrolled crystallization. The DMPU-based solvent forms complete complexes with organic and inorganic components, leading to enlarged grain size and improved film crystallinity. The resulting Sn-Pb alloyed device achieves a record efficiency of 22.41% and exhibits improved humidity and thermal stability.
ADVANCED ENERGY MATERIALS
(2023)
Article
Chemistry, Physical
Kyusun Kim et al.
Summary: Dithiocarbonate-based non-hygroscopic polymers with low glass transition temperature and polydispersity index were synthesized and found to be highly miscible with perovskite precursors. The addition of these polymers to perovskite solar cells resulted in a significant enhancement in power conversion efficiency, mainly attributed to the improved size and defect passivation of perovskite crystals. The polymer-added perovskite solar cells achieved the highest PCE and J(SC) among reported cases, thanks to the great miscibility allowing for a large amount of polymer addition for thorough passivation.
ADVANCED ENERGY MATERIALS
(2023)
Article
Chemistry, Multidisciplinary
Nan Yan et al.
Summary: To improve the efficiency of wide-band gap perovskite solar cells, the issue of open-circuit voltage deficit needs to be addressed. By passivating the perovskite surface with ammonium salts, the V-oc deficit can be effectively reduced. Surface gradient passivation using p-FPEAI demonstrates the most efficient passivation effect, leading to a record-efficiency of 21.63%.
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
(2023)
Article
Chemistry, Multidisciplinary
Yajuan Yang et al.
Summary: In sequential-deposited polycrystalline perovskite solar cells, introducing potassium acetate and potassium dichloroacetate as additives can effectively reduce residual lead iodide, passivate residual lead ion defects, and increase grain size at the grain boundaries, resulting in high power conversion efficiencies.
Article
Chemistry, Multidisciplinary
Jianghu Liang et al.
Summary: Introducing a quantum well reversely graded structure through isopropanol washing into FA-MA mixed 2D perovskite films reduces the quantum confinement effect inside the film, extends the external quantum efficiency response wavelength, and results in out-of-plane orientation, significant grain size, and long carrier lifetime. An unprecedented power conversion efficiency of 20.12% was achieved, with high stability demonstrated through aging tests under different conditions.
ENERGY & ENVIRONMENTAL SCIENCE
(2022)
Article
Chemistry, Multidisciplinary
Jin Wang et al.
Summary: In this study, cyclopropylcarbamidine hydrochloride (CPAH) was demonstrated as a novel organic halide salt for constructing a 2D layer to passivate the surface of a phase-pure FAPbI3 film. The introduction of a 2D passivation layer was found to suppress charge recombination and promote charge transfer, resulting in an impressive power conversion efficiency (PCE) of 22.8% for the prepared planar devices based on 3D FAPbI(3)/2D (CPA)(2)PbI2Cl2. The devices also showed enhanced stability in wet, thermal, and light conditions.
Article
Multidisciplinary Sciences
Renxing Lin et al.
Summary: Researchers have developed ammonium-cation-passivated Pb-Sn perovskites with long diffusion lengths, enabling high-efficiency all-perovskite tandem solar cells. By enhancing the adsorption of the passivator using a stronger surface-passivator interaction, the carrier diffusion length within Pb-Sn perovskites is doubled, resulting in an efficiency of over 22%. The certified efficiency of 26.4% achieved in the all-perovskite tandem solar cells exceeds that of the best-performing single-junction perovskite solar cells.
Article
Materials Science, Multidisciplinary
Jie Xu et al.
Summary: Perovskite solar cells with an inverted planar heterojunction structure and PTAA as the hole-transport material have shown promising performance, but the hydrophobic nature of PTAA has both positive and negative impacts on the cells. Introducing a KF buffer layer can optimize the perovskite film and improve the efficiency of the solar cells.
ORGANIC ELECTRONICS
(2022)
Article
Multidisciplinary Sciences
Xiaodong Li et al.
Summary: A stable perovskite heterojunction was achieved in inverted solar cells by sulfidating the surface of lead-rich perovskite films, resulting in improved power conversion efficiency and open-circuit voltage.
Article
Chemistry, Multidisciplinary
Zhiang Zhang et al.
Summary: This study demonstrated that anchoring acetylcholine (ACh(+)) on the surface of a quadruple-cation perovskite can improve band alignment, minimize V-oc loss, and passivate defects, resulting in efficient and stable perovskite solar cells. The ACh(+) treatment significantly enhanced power conversion efficiency (PCE) and open-circuit voltage (V-oc) while reducing hysteresis index, making it a promising strategy for PSCs preparation.
Article
Chemistry, Physical
Zhanfei Zhang et al.
Summary: The two-step crystallization method for perovskite film fabrication has been improved by incorporating MoS2 nanosheets as nano-scaffolds. The MoS2 treatment enhances the penetration of organic iodide, improves crystal orientation, and reduces residual stress and trap density in the film. The resulting PSCs exhibit high conversion efficiency and stability.
JOURNAL OF MATERIALS CHEMISTRY A
(2022)
Article
Chemistry, Multidisciplinary
Yiting Zheng et al.
Summary: This study introduces a new material called ABF into the mixed-halide precursor, and uses a downward homogenized crystallization strategy to suppress the halide phase separation during perovskite crystallization, thereby improving the efficiency and stability of solar cells.
ADVANCED FUNCTIONAL MATERIALS
(2022)
Article
Chemistry, Multidisciplinary
Ju Zhang et al.
Summary: In this study, perovskite composite films for high performance PeLEDs were developed using zwitterion 3-aminopropanesulfonic acid (APS) as an additive. The sulfonic group of APS can passivate deep and shallow level defects in perovskites via coordinate and hydrogen bonding, leading to improved stability and efficiency of the perovskite composite films.
ADVANCED FUNCTIONAL MATERIALS
(2022)
Article
Engineering, Environmental
Xiaoyan Zhao et al.
Summary: This study proposes a photoconductive NiOx-Pc hole transport layer in perovskite solar cells (PSCs) by combining with phthalocyanine (Pc) to improve the conductivity of NiOx film. The experimental results show that the conductivity of NiOx-Pc film significantly increases, leading to improved efficiency and stability of PSCs.
CHEMICAL ENGINEERING JOURNAL
(2022)
Article
Chemistry, Multidisciplinary
Junlei Tao et al.
Summary: The use of F-type pseudo-halogen additives in wide-band-gap perovskite films improves grain size, crystal quality, and reduces defect density. The substitution of F-type pseudo-halogen anions for I-/Br- releases stress distortion and effectively suppresses carrier recombination, reduces charge transfer loss, and inhibits phase separation. These findings enhance the power conversion efficiency and stability of wide-band-gap perovskite solar cells.
Article
Chemistry, Multidisciplinary
Tae-Hee Han et al.
Summary: Perovskite thin film-based optoelectronic devices demonstrate improved mechanical resilience and stability by incorporating copolymers with multifunctional effects, such as controlled crystal growth, moisture protection, mechanical energy dissipation, and self-recoverability.
ADVANCED FUNCTIONAL MATERIALS
(2022)
Article
Energy & Fuels
Martin A. Green et al.
Summary: This article presents consolidated tables showing the highest independently confirmed efficiencies for solar cells and modules. The guidelines for including results in these tables are outlined, and new entries since January 2022 are reviewed. An appendix describing temporary electrical contacting methods and terminology for large-area solar cells is also included.
PROGRESS IN PHOTOVOLTAICS
(2022)
Article
Multidisciplinary Sciences
Yang Zhao et al.
Summary: In halide perovskite solar cells, introducing RbCl doping effectively stabilizes the perovskite phase by converting excess PbI2 into an inactive compound. This strategy achieved a certified PCE of 25.6% for FAPbI(3) perovskite solar cells, with high device stability and minimal hysteresis effects.
Article
Chemistry, Physical
Md Arafat Mahmud et al.
Summary: In high-bandgap perovskite solar cells, a double-sided interface passivation scheme based on cation diffusion has been developed to address the low fill factor issue. The champion cell achieved a record fill factor of 86.5% and a power conversion efficiency of 20.2%.
ADVANCED ENERGY MATERIALS
(2022)
Article
Nanoscience & Nanotechnology
Zhanfei Zhang et al.
Summary: By employing an additive strategy, the impurities in the intermediate phase of Cs(0.25)FA(0.75)Pb(0.6)Sn(0.4)I(3) were finely regulated, resulting in high-performance solar cells with improved efficiency and stability for MA-free Sn-Pb devices.
NANO-MICRO LETTERS
(2022)
Article
Energy & Fuels
Changlei Wang et al.
Summary: A universal close-space annealing strategy is developed to improve the structural and optoelectronic quality of perovskite films, leading to the fabrication of efficient perovskite solar cells and all-perovskite tandem solar cells.
Article
Nanoscience & Nanotechnology
Zhuang Zhou et al.
Summary: The crystallinity and orientation of perovskite films prepared by sequential deposition method are generally worse than those prepared by one-step antisolvent method. This study presents a new strategy of preplacing formamidine formate (FAFa) on the buried interface to improve the crystallinity and orientation of PbI2, leading to a highly oriented perovskite film with enhanced power conversion efficiency.
ACS APPLIED MATERIALS & INTERFACES
(2022)
Article
Chemistry, Multidisciplinary
Jianghu Liang et al.
Summary: This study demonstrates that using bulky alkylammonium spacer cations in 2D perovskites helps in preparing high-quality phase-pure alpha-FAPbI(3) perovskite films, which leads to improved efficiency and stability of perovskite solar cells. The deprotonation process of the spacer cations during annealing removes the in situ generated 2D perovskites from the film, ultimately affecting the performance and stability of the solar cells.
ADVANCED FUNCTIONAL MATERIALS
(2022)
Article
Chemistry, Multidisciplinary
Jianli Wang et al.
Summary: In this study, a 2D perovskite of thiomorpholine 1,1-dioxide lead iodide was used as a template to prepare a 3D perovskite thin film with high crystal orientation and large grain size. By improving the orientation and reducing defects during crystallization, as well as hindering interfacial redox reaction and reducing hole extraction barrier, the performance of inverted structure perovskite solar cells on NiOx substrate was significantly improved.
Article
Chemistry, Physical
Ying Huang et al.
Summary: A stress-released and compositional-pure α-FAPbI(3) thin-film is fabricated using 3-chloropropylammonium chloride (Cl-PACl) by two-step annealing. The introduction of Cl-PACl at a low temperature can form a 2D template, which promotes the transition from δ-FAPbI(3) to α-FAPbI(3) and leads to highly crystal-oriented and reduced residual stress perovskite films. Most of the Cl-PACl volatilizes during high-temperature annealing, while the residual Cl-PA(+) stabilizes α-FAPbI(3) and passivates defects. The perovskite solar cell based on pure α-FAPbI(3) achieves high power conversion efficiency, phase stability, and photo-stability.
Article
Nanoscience & Nanotechnology
Zhuang Zhou et al.
Summary: By preplacing formamidine formate (FAFa) on the buried interface, this research successfully regulated the formation mechanism from PbI2 to perovskite, improving the crystallinity and orientation of PbI2. This work provides a new strategy to enhance the crystallinity of sequential deposition perovskites without destabilizing the device due to higher levels of residual PbI2.
ACS APPLIED MATERIALS & INTERFACES
(2022)
Article
Chemistry, Multidisciplinary
Xiangyue Meng et al.
Summary: The crystallization kinetics of tin halide perovskites were modulated through a non-classical nucleation mechanism, leading to improved efficiency and stability of lead-free perovskite solar cells.
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
(2021)
Article
Chemistry, Physical
Yuankun Qiu et al.
Summary: The design of the spacer cation in 2D perovskites plays a crucial role in defect passivation and carrier extraction. By manipulating the number of fluorine atoms on the para-position of the benzene ring, the dipole moment of 2D cations can be finely tuned, affecting the interfacial dipole at the 2D/3D heterojunction interface. A highly dipolar 2D perovskite layer at the interface between the 3D perovskite and hole-transporting material enhances charge transport and minimizes charge trapping, leading to high efficiency and stability in solar cells.
JOURNAL OF PHYSICAL CHEMISTRY C
(2021)
Article
Multidisciplinary Sciences
Hanul Min et al.
Summary: By introducing an interlayer between the electron-transporting and perovskite layers in perovskite solar cells, researchers have successfully enhanced charge extraction and transport from the perovskite, leading to higher power conversion efficiency and fewer interfacial defects. The coherent interlayer allowed the fabrication of devices with a certified efficiency of 25.5%, which maintained about 90% of its initial efficiency even after continuous light exposure for 500 hours. The findings provide guidelines for designing defect-minimizing interfaces in metal halide perovskites and electron-transporting layers.
Article
Chemistry, Physical
Jiabao Yang et al.
Summary: The solution treatment of perovskite films introduces defects in the grain boundaries, affecting the efficiency and stability of perovskite solar cells. By synthesizing the PS-PAN polymer and incorporating it into the perovskite film, the efficiency of the solar cells is significantly improved and maintained under various environmental conditions.
Article
Chemistry, Physical
ZhongLi Guo et al.
Summary: The introduction of SDBS in perovskite precursor leads to significant improvement in PCE and stability of mixed-cation perovskite solar cells. SDBS interacts with lead ions in perovskite crystals, slowing down crystallization and reducing defect density, ultimately benefiting the quality of the film. Additionally, SDBS modification also enhances water stability and charge utilization, resulting in increased efficiency of the PSC devices.
ACS APPLIED ENERGY MATERIALS
(2021)
Article
Chemistry, Physical
Zhanfei Zhang et al.
Summary: A new strategy is reported to grow highly crystallized Sn-Pb perovskite for perovskite solar cells, utilizing an ionic salt layer to facilitate quick crystallization of Pb-containing perovskite components and improve device stability. This approach led to a champion power conversion efficiency of 20.11% and enhanced thermal and shelf storage stability for mixed Sn-Pb PSCs.
JOURNAL OF MATERIALS CHEMISTRY A
(2021)
Review
Chemistry, Multidisciplinary
Minh Tam Hoang et al.
Summary: Metal halide perovskite materials show unique properties for optoelectrical devices, but the use of hazardous solvents limits their commercialization. Developing environmentally-friendly solvents is critical for the commercial uptake of perovskite technology.
Article
Chemistry, Multidisciplinary
Yuan Cai et al.
Summary: Using the multifunctional molecule DFPDA as an additive, the stability issues of perovskite solar cells have been effectively addressed, resulting in high-quality films with an efficiency of 22.21% and significantly improved stability against moisture, heat, and light.
ADVANCED FUNCTIONAL MATERIALS
(2021)
Article
Chemistry, Multidisciplinary
Minhuan Wang et al.
Summary: The majority of high-performance perovskite solar cells are based on multi-cation mixed-anion compositions that include methylammonium and bromide, but the thermal instability of methylammonium and phase segregation of mixed halide compositions limit their long-term stability. A new strategy has been presented to achieve highly efficient and stable perovskite solar cells without cesium, methylammonium, and bromide. These developed solar cells are among the best-performing ones reported in such compositions and show superior stability under continuous exposure to both illumination and 85 degrees C heat.
ADVANCED FUNCTIONAL MATERIALS
(2021)
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Multidisciplinary Sciences
Kai Zhang et al.
NATURE COMMUNICATIONS
(2020)
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Taylor Moot et al.
ADVANCED ENERGY MATERIALS
(2020)
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Xiaopeng Zheng et al.
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Dominik J. Kubicki et al.
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
(2020)
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Yingke Ren et al.
SCIENCE CHINA-MATERIALS
(2020)
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Ke Xiao et al.
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Cheng Zhu et al.
NATURE COMMUNICATIONS
(2019)
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Renxing Lin et al.
Review
Chemistry, Multidisciplinary
Wiley A. Dunlap-Shohl et al.
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Chongwen Li et al.
ADVANCED ENERGY MATERIALS
(2019)
Article
Chemistry, Physical
Yuanyuan Fan et al.
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Chemistry, Physical
Abhishek Thote et al.
ACS APPLIED ENERGY MATERIALS
(2019)
Review
Chemistry, Multidisciplinary
Minsu Jung et al.
CHEMICAL SOCIETY REVIEWS
(2019)
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Shi Chen et al.
ADVANCED ENERGY MATERIALS
(2018)
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Chemistry, Inorganic & Nuclear
Azin Babaei et al.
Review
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James Stevenson et al.
CHEMISTRY OF MATERIALS
(2017)
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Jin Hyuck Heo et al.
Article
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Ayan A. Zhumekenov et al.
ACS ENERGY LETTERS
(2017)
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David P. McMeekin et al.
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Shuang Yang et al.
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Eric T. Hoke et al.
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Bert Conings et al.
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(2015)
