Il s'agit de notre dernière sélection de publications et de brevets en anglais sur la robotique, parmi de nombreuses revues scientifiques en ligne, classées et axées sur les robots, la cinématique, les servomoteurs, les actionneurs, les ROV et les AUV.
Design Optimization of Cesium Contents for Mixed Cation MA1−xCsxPbI3-Based Efficient Perovskite Solar Cell
Published on 2025-07-13 by Syed Abdul Moiz, Ahmed N. M. Alahmadi, Mohammed Saleh Alshaikh @MDPI
Abstract: Perovskite solar cells (PSCs) have already been reported as a promising alternative to traditional energy sources due to their excellent power conversion efficiency, affordability, and versatility, which is particularly relevant considering the growing worldwide demand for energy and increasing scarcity of natural resources. However, operational concerns under environmental stresses hinder its economic feasibility. Through the addition of cesium (Cs), this study investigates how to optimize pero[...]
Our summary: Study investigates optimizing perovskite solar cells with mixed-cation compositions of MA1−xCsxPbI3, finding that MA0.5Cs0.5PbI3 achieves maximum efficiency of 18.53% with Cs doping. Optimal device architecture and layer thicknesses are identified for improved performance.
Design Optimization, Cesium Contents, Perovskite Solar Cell, Power Conversion Efficiency
Publication
Enhanced Efficiency and Mechanical Stability in Flexible Perovskite Solar Cells via Phenethylammonium Iodide Surface Passivation
Published on 2025-07-11 by Ibtisam S. Almalki, Tamader H. Alenazi, Lina A. Mansouri, Zainab H. Al Mubarak, Zainab T. Al Nahab, Sultan M. Alenzi, Yahya A. Alzahrani, Ghazal S. Yafi, Abdulmajeed Almutairi, Abdurhman Aldukhail, Bader Alharthi, Abdulaziz Aljuwayr, Faisal S. Alghannam, Anas A. Almuqhim, Huda Alkhaldi, Fawziah Alhajri, Nouf K. AL-Saleem, Masfer Alkahtani, Anwar Q. Alanazi, Masaud Almalki @MDPI
Abstract: Flexible perovskite solar cells (FPSCs) hold great promise for lightweight and wearable photovoltaics, but improving their efficiency and durability under mechanical stress remains a key challenge. In this work, we fabricate and characterize flexible planar FPSCs on a polyethylene terephthalate (PET). A phenethylammonium iodide (PEAI) surface passivation layer is introduced on the perovskite to form a two-dimensional capping layer, and its impact on device performance and stability is systematic[...]
Our summary: Enhanced efficiency and mechanical stability achieved in flexible perovskite solar cells through PEAI surface passivation, leading to improved device performance and durability under mechanical stress. Integration of PEAI treatment with optimized ETL and HTL layers enhances efficiency and flexibility, paving the way for reliable and high-performance wearable solar cells.
Efficiency, Mechanical Stability, Perovskite Solar Cells, Phenethylammonium Iodide
Publication
Enhanced Charge Transport in Inverted Perovskite Solar Cells via Electrodeposited La-Modified NiOx Layers
Published on 2025-07-08 by Lina Aristiz�bal-Duarte, Mart�n Gonz�lez-Hern�ndez, Sergio E. Reyes, J. A. Ram�rez-Rinc�n, Pablo Ortiz, Mar�a T. Cort�s @MDPI
Abstract: This work explored an electrochemical approach for synthesizing lanthanum-modified nickel oxide (NiOx:La) as a hole transport layer (HTL) in inverted perovskite solar cells (IPSCs). By varying the La3+ concentration, the chemical, charge transport, structural, and morphological properties of the NiOx:La film and the HTL/PVK interface were evaluated to enhance photovoltaic performance. X-ray photoelectron spectroscopy (XPS) confirmed La3+ incorporation, a higher Ni3+/Ni3+ ratio, and a valence ban[...]
Our summary: Electrodeposited NiOx:La layers were explored as a hole transport layer in inverted perovskite solar cells, showing enhanced charge transport and improved photovoltaic performance. XPS confirmed La3+ incorporation and improved p-type conductivity, while impedance spectroscopy indicated lower resistance and higher carrier density with NiOx:La 0.5%. The resulting cell achieved a PCE of 20.08% and retained 80% of its initial efficiency after 50 days, demonstrating the potential of NiOx:La as a promising HTL for efficient and stable IPSCs.
charge transport, electrodeposited, NiOx:La, inverted perovskite solar cells
Publication
Photoelectric conversion element for perovskite solar cell
Patent published on the 2025-07-03 in WO under Ref WO2025143159 by JAPAN SCIENCE AND TECH AGENCY [JP] (Fukushima Takanori [jp], Fukui Tomoya [jp], Saeki Akinori [jp])
Abstract: The present invention addresses the problem of providing: a passivating agent which is capable of further stabilizing a perovskite compound; a perovskite photoelectric conversion element which uses the passivating agent; and a perovskite solar cell. The present invention relates to: a passivating agent for a perovskite compound, the passivating agent containing a tridentate cationic compound that has a triptycene skeleton; a perovskite photoelectric conversion element which has a perovskite co[...]
Our summary: The invention presents a passivating agent with a tridentate cationic compound for stabilizing a perovskite compound, a photoelectric conversion element, and a solar cell for perovskite applications.
photoelectric conversion element, perovskite solar cell, passivating agent, tridentate cationic compound
Patent
Post-treatment method for preventing cell degradation of perovskite-based solar cell module and perovskite-based solar cell module treated thereby
Patent published on the 2025-07-03 in WO under Ref WO2025143620 by HANWHA SOLUTIONS CORP [KR] (Han Sung Hoon [kr], Kim Myoung [kr], Kim Mingeon [kr])
Abstract: The present invention relates to a post-treatment method for preventing cell degradation, whereby the problem of reduced solar cell efficiency due to the thermal degradation of cells that inevitably occurs during the manufacturing process of perovskite-based solar cell modules can be prevented or minimized; and a perovskite-based solar cell post-treated by said method.[...]
Our summary: A method to prevent cell degradation in perovskite-based solar cell modules, minimizing efficiency reduction caused by thermal degradation during manufacturing process.
perovskite-based, solar cell, post-treatment, cell degradation
Patent
A cigs/perovskite monolithic tandem flexible solar cell
Patent published on the 2025-06-26 in WO under Ref WO2025136239 by NIGDE OEMER HALISDEMIR UENIVERSITESI REKTOERLUEGUE [TR] (KeleŞ Filiz [tr])
Abstract: The invention is related a CIGS/perovskite solar cell, which comes to the fore in tandem structures in which more than one solar cell is used together in order to exceed the theoretical limit that limits the efficiency in photovoltaic technology.[...]
Our summary: A novel CIGS/perovskite monolithic tandem flexible solar cell surpassing the theoretical efficiency limit in photovoltaic technology.
CIGS, perovskite, monolithic, tandem
Patent
Method for manufacturing perovskite nanocrystals by using cold-injection method, and perovskite light-emitting device comprising perovskite nanocrysta
Patent published on the 2025-06-19 in WO under Ref WO2025127865 by SEOUL NATIONAL UNIV R&DB FOUNDATION [KR] (Kim Sungjin [kr], Kim Seona [kr], Lee Tae-woo [kr])
Abstract: The present invention relates to a method for manufacturing perovskite nanocrystals having excellent photoluminescence efficiency and capable of realizing pure colors according to the Rec. 2100 (or Rec. 2020) standard, and a light-emitting device comprising the perovskite nanocrystals manufactured thereby.[...]
Our summary: Method for manufacturing perovskite nanocrystals with high photoluminescence efficiency and pure colors according to Rec. 2100 standard, and perovskite light-emitting device.
perovskite, nanocrystals, manufacturing method, light-emitting device
Patent
Perovskite solar cell for space
Patent published on the 2025-06-19 in WO under Ref WO2025127650 by UNIV INDUSTRY COOPERATION GROUP OF KYUNG HEE UNIV [KR] (Yun Jung Ho [kr], Lee Su Min [kr])
Abstract: The present invention relates to a perovskite solar cell for space, which exhibits excellent radiation resistance and is capable of operating effectively under space conditions. The perovskite solar cell for space of the present invention comprises: a first electrode; a second electrode; a perovskite photoactive layer provided between the first electrode and the second electrode; a first protective layer provided between the first electrode and the photoactive layer; and a second protective laye[...]
Our summary: Perovskite solar cell designed for space with excellent radiation resistance and protective layers for operation under space conditions.
perovskite solar cell, space, radiation resistance, protective layer
Patent
