A strategy for planar-type perovskite solar cells by natural bio-functional interfaces that uses a buried electron-transport layer made of cobalamin complexed tin oxide (SnO 2 @B 12) is provided. Cobalamin could chemically link SnO 2 layer and perovskite layer, resulting in improved perovskite film quality and interfacial defect
Mixed-cation perovskite solar cells (PSCs) have attracted much attention because of the advantages of suitable bandgap and stability. It is still a challenge to rationally design and modify the perovskite/tin oxide (SnO 2) heterogeneous interface for achieving highly efficient and stable PSCs.
Mixed-cation perovskite solar cells (PSCs) have attracted much attention because of the advantages of suitable bandgap and stability. It is still a challenge to rationally design and modify the perovskite/tin oxide (SnO 2)
A strategy for planar-type perovskite solar cells by natural bio-functional interfaces that uses a buried electron-transport layer made of cobalamin complexed tin oxide (SnO 2 @B 12) is provided. Cobalamin could
Interface regulation is a simple and commonly used method to decrease nonradiative recombination in inverted perovskite solar cells (PSCs). Here, a wide-bandgap halide was used to regulate the PTAA/MAPbI 3 interface, in which n -hexyltrimethylammonium bromide (HTAB) was used to modify the upper surface of poly[bis(4-phenyl)-(2,4,6
Optimizing the buried interface in flexible perovskite solar cells to achieve over 24% efficiency and long-term stability
Interface regulation is a simple and commonly used method to decrease nonradiative recombination in inverted perovskite solar cells (PSCs). Here, a wide-bandgap halide was used to regulate the PTAA/MAPbI 3
The interfacial energy level mismatch between the functional layers of perovskite solar cells (PSCs), especially between the perovskite layer (PVK) and the hole
stability of perovskite solar cells (PSCs) thisstudy,wepropose the molecule-triggered strain regulation and interfacial passivation strategy via the [2 + 2] cycloaddition reaction of 6-bromocoumarin-3-carboxylic acid ethyl ester (BAEE), achieving perovskite strain regulation, interface passivation, and the enhancement of efficiency and
Efficiency and stability are key factors determining the final cost of electricity that perovskite solar cells (PSCs) generate. To date, effective strategy to progress in achieving efficient and stable PSCs is still a difficult problem that researchers continue to explore. This study reports a useful way to improve the quality of SnO
Because interfacial nonradiative recombination (NRR) has a significant influence on device performance, the minimization of interfacial NRR losses through interface
Herein, a heterointerface energetics regulation (HER) strategy is proposed by introducing potassium trifluoroacetate (KTFA) in the perovskite precursor solution to eliminate
Herein, we propose the molecule-triggered strain regulation and interfacial passivation strategy via the [2 + 2] cycloadditions reaction (the photo-induced [2 + 2] reaction triggered by UV 365 nm irradiation and photocleavage of the cross-link with UV 254 nm) of 6-bromocoumarin-3-carboxylic acid ethyl ester (BAEE), achieving perovskite strain regulation,
These beneficial effects significantly improve the heterojunction interface and consequently enable the flexible CZTSSe solar cell to achieve a record total-area efficiency of 12.84% and excellent bending performance. Overall, the heterojunction interface regulation strategy employed in this work, along with the obtained remarkable
Alkylammonium bromides regulate the interfacial properties between wide-bandgap perovskites (WBPs) and hole transport layers. Improved hole transport induced by HABr treatment reduces interfacial capacitance and eliminates hysteresis. Hydrophobicity of 2D perovskite and suppressed ion migration enhance the moisture stability.
Herein, a heterointerface energetics regulation (HER) strategy is proposed by introducing potassium trifluoroacetate (KTFA) in the perovskite precursor solution to eliminate the trap defects and optimize surface potential and Fermi level.
Lead halide perovskite solar cells (PSCs) have been rapidly developed in the past decade. Owing to its excellent power conversion efficiency with robust and low-cost fabrication, perovskite quickly becomes one of the most promising candidates for the next-generation photovoltaic technology. With the development of PSCs, the interface engineering
The incorporation of potassium citrate (PC) passivates interface defects between perovskite and SnO 2 layers via the interactions of functional groups (K +, −COO −) in PC with undersaturated Pb and I ions in perovskite
柔性Cu 2 ZnSn(S, Se) 4 (CZTSSe)太阳能电池由于其环境友好、成本低廉和应用广泛等优点近年来引起了人们的广泛关注。然而,柔性基板中碱金属元素的缺乏给柔性CZTSSe太阳能电池的发展带来了挑战。在这项研究中,提出了一种涉及 Rb 离子的后处理策略,以同时调节 CZTSSe 薄膜的表面性质和 CdS 化学浴沉积
These beneficial effects significantly improve the heterojunction interface and consequently enable the flexible CZTSSe solar cell to achieve a record total-area efficiency of
Perovskite solar cells (pero-SCs) have undergone rapid development in the past decade. However, there is still a lack of systematic studies investigating whether the empirical rules of working
DOI: 10.1021/acsnano.4c06396 Corpus ID: 271929605; Synergistic Buried Interface Regulation of Tin-Lead Perovskite Solar Cells via Co-Self-Assembled Monolayers. @article{Roe2024SynergisticBI, title={Synergistic Buried Interface Regulation of Tin-Lead Perovskite Solar Cells via Co-Self-Assembled Monolayers.}, author={Jina Roe and Jung Geon
There is a significant challenge of charge recombination at the perovskite/electron transport layer (ETL), coupled with the need of optimized interface charge transfer in inverted perovskite solar cells (PSCs). In this work, an organometallic ferrocene-based molecule, ferrocenyl-bis-thieno[3,2-b]thiophene-2-carboxylate (FcTTPc), with inherent carboxylate and
The incorporation of potassium citrate (PC) passivates interface defects between perovskite and SnO 2 layers via the interactions of functional groups (K +, −COO −) in PC with undersaturated Pb and I ions in perovskite and Sn 4+ in SnO 2, resulting in improved power conversion efficiency (PCE) and excellent long-term stability.
Because interfacial nonradiative recombination (NRR) has a significant influence on device performance, the minimization of interfacial NRR losses through interface engineering especially for perovskite-related interfaces is key to achieving efficient, stable, and hysteresis-free perovskite solar cells (PSCs). In light of important
Alkylammonium bromides regulate the interfacial properties between wide-bandgap perovskites (WBPs) and hole transport layers. Improved hole transport induced by
Organic-inorganic perovskite solar cells (PSCs) have become the bellwether in the third-generation photovoltaic technologies. [1], [2], [3] The power conversion efficiency (PCE) of PSCs increased sharply from 3.8 % [4] to an ultrahigh value of 26.1 % [5] in a decade, which is extremely close to that achieved by single-crystal silicon solar cells. [5]
The interfacial energy level mismatch between the functional layers of perovskite solar cells (PSCs), especially between the perovskite layer (PVK) and the hole transport layer (HTL), is a major issue restricting the enhancement of performance of PSCs.
Broad processing window (atmospherically applicable and scale-up) for efficient and stable perovskite solar devices/modules. Buried interface in perovskite solar cells (PSCs) is currently a highly focused study area due to their impact on device performance and stability. However, it remains a major challenge to rationally design buried interfaces.
Another approach is to construct a 2D/3D heterostructure through in situ fabricating 2D perovskite on the 3D perovskite surface, which could increase VOC and thus improve the PSC performance for conventional bandgap perovskites , , , . This strategy is also proved effective for some WBP solar cells , , , .
For all of these perovskite based tandem solar cells, WBPs with bandgap of 1.7–1.9 eV play a crucial role in the overall device performance, and thus advancement of WBP solar cells in terms of PCE and stability is of great significance to achieve higher photovoltaic performance for these tandem devices.
A strategy for planar-type perovskite solar cells by natural bio-functional interfaces that uses a buried electron-transport layer made of cobalamin complexed tin oxide (SnO 2 @B 12) is provided. Cobalamin could chemically link SnO 2 layer and perovskite layer, resulting in improved perovskite film quality and interfacial defect passivation.
Among these methods, interfacial passivation agents such as amines , , , guanidines , metal oxide and fullerene derivatives have exhibited good capacities to not only passivate defects but also improve the interfacial energy level alignment, thus effectively reducing VOC deficit and boosting PCE of WBP solar cells , , .
To investigate the ability of modified ZrO 2 NPs to modulate the buried interface of PSCs, we prepared SnO 2 ETL layer (Control) and modified ETL with HL-ZrO 2 and TACA-ZrO 2 NPs. X-ray diffraction (XRD) patterns (Fig. 1E) validate the successful introduction of ligand-modified ZrO 2 NPs to the buried interface.
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