Comparing the Efficacies of Electrospun ZnO and TiO2 Nanofibrous Interlayers for Electron Transport in Perovskite Solar Cells DOI Creative Commons
Abdullah Zafar,

Waqar Iqbal,

Shahzaib Khan

et al.

Ceramics, Journal Year: 2024, Volume and Issue: 7(4), P. 1742 - 1757

Published: Nov. 13, 2024

ZnO and TiO2 are both well-known electron transport materials. Their comparison of performance is considered advantageous novel. Therefore, a viable electrospinning route was for the development highly polycrystalline nanofibers as an material (ETM) perovskite solar cells. The materials were well-characterized in terms different analytical techniques. X-ray diffraction detected structural properties corresponding to ZnO. Morphological analysis by scanning microscopy revealed that long, uniform, polycrystalline, having diameter nanometer range. Optoelectronic showed exhibit absorption values ultraviolet visible ranges, band gap 3.3 3.2 eV, respectively. bandgap semiconductor nature more compatible with Electron Transport Layer (ETL) compared Electrical studies have enhanced conductivity sheet carrier mobility nanofibers. higher photovoltaic conversion efficiency achieved (10.4%) (8.5%).

Language: Английский

Interfacial Crosslinking for Efficient and Stable Planar TiO2 Perovskite Solar Cells DOI Creative Commons
Linrui Duan,

Siyu Liu,

Xiaobing Wang

et al.

Advanced Science, Journal Year: 2024, Volume and Issue: 11(33)

Published: July 3, 2024

The buried interface between the electron transport layer (ETL) and perovskite plays a crucial role in enhancing power conversion efficiency (PCE) stability of n-i-p type solar cells (PSCs). In this study, chemical bath deposited (CBD) titanium oxide (TiO

Language: Английский

Citations

8
Space-Charge-Limited Current Measurements: A Problematic Technique for Metal Halide Perovskites DOI
Vincent M. Le Corre

The Journal of Physical Chemistry Letters, Journal Year: 2024, Volume and Issue: unknown, P. 10001 - 10008

Published: Sept. 24, 2024

Space-charge-limited current (SCLC) measurements play a crucial role in the electrical characterization of semiconductors, particularly for metal halide perovskites. Accurate reporting and analysis SCLC are essential gaining meaningful insights into charge transport defect density these systems. Unfortunately, performing on perovskites is complicated by their mixed electronic-ionic conductivity. This complexity led to data often being incorrectly analyzed using simplified models unsuitable materials reported without information about how were performed. In light recently published data, common challenges perovskite addressed, solutions discussed this paper. The applicability often-used analytical models, overlooked issues related ionic-electronic conductivity perovskites, creating single-carrier devices investigated drift-diffusion simulations. Finally, guidelines more accurate improved provided.

Language: Английский

Citations

8
Dual‐Site Molecular Dipole Enables Tunable Interfacial Field Toward Efficient and Stable Perovskite Solar Cells DOI
Junwei Shi,

Muhammad Waqas Samad,

Fangchao Li

et al.

Advanced Materials, Journal Year: 2024, Volume and Issue: unknown

Published: Sept. 5, 2024

Abstract The interfacial management in perovskite solar cells (PSCs), including mitigating the carrier transport barrier and suppressing non‐radiative recombination, still remains a significant challenge for efficiency stability enhancement. Herein, by screening family of fluorine (F) terminated dual‐site organic dipole molecules, study aims to gain insight into molecular array toward tunable field. Both experimental theoretical results reveal that these functional molecules can effectively anchor on surface through Lewis acid‐base interaction. In addition, tailored side‐chain with F atoms allows altering constructing well matched perovskite/Spiro‐OMeTAD contact. As result, inserting modulates interface deliver gradient energy level alignment, facilitating extraction transport. optimal trifluoro‐methanesulfonamide mediated N‐i‐P PSCs achieve highest 25.47%, together enhanced operational under 1000 h simulated 1‐sun illumination exposure. These findings are believed provide design sufficient tunability perovskite‐based optoelectronic devices.

Language: Английский

Citations

7
Highly stable inverted perovskite solar cells with all-inorganic selective contact using iron-doped zinc oxide DOI
Long Wang, Yufang Li, Honglie Shen

et al.

The Journal of Chemical Physics, Journal Year: 2025, Volume and Issue: 162(9)

Published: March 4, 2025

Perovskite solar cells (PSCs) have achieved remarkable performance advancements over the past decade. In inverted p-i-n PSCs, commonly utilized electron transport layers (ETL), such as C60 and PCBM, are associated with notable stability challenges high production costs. This study reports on a novel highly stable perovskite cell that employs iron-doped zinc oxide (FZO) nanoparticles ETL nickel (NiOx) hole layer, demonstrating power conversion efficiency (PCE) of ∼12%. comparison PSCs utilize (ZnO) ETL, those incorporating FZO demonstrated maximum PCE enhancement 18.3%. The incorporation iron doping mitigates basicity ZnO thereby reducing deprotonation at FZO/perovskite interface enhancing PSCs. unpackaged device maintained an initial 90% after 400 h relative humidity 45% ± 5%. (2-(9H-carbazol-9-yl)ethyl)phosphonic acid 2-phenylethylamine hydroiodide were used to passivate NiOx/perovskite perovskite/ZnO(FZO) interfaces, respectively, which further improved PSC performance. Ultimately, FZO-based 13.65%, open-circuit voltage (Voc) 1.04 V, short-circuit current density (Jsc) 20.79, fill factor (FF) 63.1% obtained, increase 35% compared pristine ZnO-based devices. Results indicate performance, low fabrication costs, excellent can be attained through use simple chemically synthesized oxides inorganic selective charge in

Language: Английский

Citations

0
Synergic passivation of the interface between TiO2 and perovskite by multifunctional small molecules DOI

Yanbin Chen,

Yu Zhang,

Xianghan Li

et al.

Applied Physics Letters, Journal Year: 2025, Volume and Issue: 126(11)

Published: March 1, 2025

Titanium dioxide (TiO2) is widely employed as an electron transport layer in perovskite solar cells due to its low manufacturing cost and favorable energy-level alignment. However, the suboptimal quality of TiO2 films presence multiple defects at TiO2/perovskite interface, such uncoordinated Pb2+ oxygen vacancy defects, significantly compromise both device efficiency stability. This study proposes a synergistic passivation strategy through introduction acetylamino-functionalized interlayer between TiO2. The acetylamino groups within establish strong interactions with perovskite, thereby enhancing interface Acetylamino can also interact by bonding Ti4+ reducing potential layer. enhanced hydrophobicity film, induced layer, further promotes crystallization minimizing surface tension effects during film growth. Therefore, increased from 16.49% 19.26%. lifetime unencapsulated was evaluated under environmental conditions (relative humidity: 30% ± 5%, temperature: 25 5 °C). unmodified decreased 75.3% after 800 h, whereas modified maintained 90.1% initial efficiency, demonstrating higher

Language: Английский

Citations

0
Emission and Absorption Spectroscopic Techniques for Characterizing Perovskite Solar Cells DOI
Zhongcheng Yuan,

Meifang Yang,

Lei Zhang

et al.

The Journal of Physical Chemistry C, Journal Year: 2024, Volume and Issue: unknown

Published: Nov. 27, 2024

Language: Английский

Citations

1
Sustainable Green Solvents for Lead Halide Perovskites DOI Open Access
Fanning Meng, Long Cheng, Fang Wang

et al.

Advanced Sustainable Systems, Journal Year: 2024, Volume and Issue: unknown

Published: Nov. 26, 2024

Abstract Lead halide perovskites have revolutionized the field of optoelectronics and attracted worldwide attention due to their outstanding semiconducting characteristics. Meanwhile, solution processability printability perovskite allow commercialization solar cells (PSCs) profitable. However, deposition films usually uses polar aprotic solvents. The popular antisolvents are aromatics or aromatic halogenated hydrocarbons. All them a high risk toxicity flammability. To reduce adverse effects on environment operators enhance sustainability technologies, researchers made lots efforts study sustainable green Herein, selection criteria solvents surveyed. Methods solubility prediction precursor comprehensively discussed from perspectives polarity Lewis acid–base chemistry. significance antisolvent boiling point is emphasized. Research advances in summarized. Finally, this review presents in‐depth insights into green‐solvent‐processable highlights research directions for modules future. It lays good foundation development PSCs.

Language: Английский

Citations

0
Comparing the Efficacies of Electrospun ZnO and TiO2 Nanofibrous Interlayers for Electron Transport in Perovskite Solar Cells DOI Creative Commons
Abdullah Zafar,

Waqar Iqbal,

Shahzaib Khan

et al.

Ceramics, Journal Year: 2024, Volume and Issue: 7(4), P. 1742 - 1757

Published: Nov. 13, 2024

ZnO and TiO2 are both well-known electron transport materials. Their comparison of performance is considered advantageous novel. Therefore, a viable electrospinning route was for the development highly polycrystalline nanofibers as an material (ETM) perovskite solar cells. The materials were well-characterized in terms different analytical techniques. X-ray diffraction detected structural properties corresponding to ZnO. Morphological analysis by scanning microscopy revealed that long, uniform, polycrystalline, having diameter nanometer range. Optoelectronic showed exhibit absorption values ultraviolet visible ranges, band gap 3.3 3.2 eV, respectively. bandgap semiconductor nature more compatible with Electron Transport Layer (ETL) compared Electrical studies have enhanced conductivity sheet carrier mobility nanofibers. higher photovoltaic conversion efficiency achieved (10.4%) (8.5%).

Language: Английский

Citations

0