Results 101 to 110 of about 5,836,105 (292)

Wafer‐Scale Top‐Down Patterning of Metal Halide Perovskites

Advanced Materials Technologies, EarlyView.
Wafer‐scale patterning of metal halide perovskite films is demonstrated on 150 mm substrates using a chemically amplified resist, polymethyl methacrylate (CAR‐PMMA) and a single reactive ion etching step. The streamlined process preserves film luminescence while defining submicrometer features across the full wafer, enabling dense, scalable integration
Federico Fabrizi, Ardeshir Esteki, Holger Lerch, Saeed Goudarzi, Liudmila Starodubtceva, Gerhard Müller‐Newen, Maryam Mohammadi, Max C. Lemme   +7 more
wiley   +1 more source

Impact of perovskite subcell breakdown on the performance of perovskite/perovskite/silicon triple‐junction solar cells

Perovskite-based triple-junction solar cells have recently gained significant attention and are rapidly developing, thanks to the insights gained from the advancement in its dual-junction counterparts.
Meßmer, Christoph Alexander, Fischer, Oliver, Bett, Alexander J., Borchert, Anna Juliane, Borchert, Juliane, Gupta, Yashika, Schubert, Martin, Heydarian, Minasadat, Schulze, Patricia S. C., Schindler, Florian, Glunz, Stefan, Schubert, Martin C., Schulze, Patricia, Aulich, Johanna, Heydarian, Maryamsadat, Bett, Alexander   +15 more
core   +1 more source

Conductive Tin Oxide Under the Thermal Budget of Perovskite/TOPCon Tandems: Toward Indium‐Free Contacts

Advanced Materials Technologies, EarlyView.
This work demonstrates that achieving conductive undoped SnOx contacts required careful tailoring of oxygen vacancy (VO) tuning and defect engineering. Controlling oxygen deposition pressure and low‐temperature annealing (300°C) optimizes defect stoichiometry and mitigates carrier scattering. This low thermal budget approach significantly enhances Hall
Paul Llontop, Mario Hanser, Matthew Wright, Soumyajit Maitra, Eloy J. Marcelis, Jana‐Isabelle Polzin, Martin Bivour, David C. Grinter, Pilar Ferrer, Iris C. G. van den Bosch, Christoph Baeumer, Ruy S. Bonilla, Armin Richter, Monica Morales‐Masis   +13 more
wiley   +1 more source

Defect Passivation for Highly Efficient and Stable Sn-Pb Perovskite Solar Cells

Crystals
Sn-Pb perovskite solar cells, which have the advantages of low toxicity and a simple preparation process, have witnessed rapid development in recent years, with the power conversion efficiency for single-junction solar cells exceeding 23%.
Tengteng Li, Fupeng Ma, Yafeng Hao, Huijia Wu, Pu Zhu, Ziwei Li, Fengchao Li, Jiangang Yu, Meihong Liu, Cheng Lei, Ting Liang   +10 more
doaj   +1 more source

Structural, electrochemical and magnetic characterization of the layered-type PrBa0.5Sr0.5Co2O5+δ perovskite [PDF]

, 2014
Structural, electrical and magnetic properties of the layered cobaltite PrBa0.5Sr0.5Co2O5+δ have been investigated by means of neutron diffraction, electron diffraction, thermogravimetric analysis and SQUID magnetometry.
Irvine, John T.S., Irvine JT, Azad, Abul Kalam, Irvine, John Thomas Sirr, Azad AK, Kim, Jung H., Kim JH, Azad, Abul K., Kim, Jung   +8 more
core   +1 more source

Crossover From Excitonic to Bulk Emission in Metal Halide Perovskite Nanocomposites

Advanced Optical Materials, EarlyView.
A transition from excitonic to free‐charge recombination is uncovered in perovskite nanocomposites as a function of nanostructure size using PLQY(R, F) mapping as a function of excitation fluence (F) and repetition rate (R). These findings demonstrate that PLQY(R, F) mapping serves as a powerful and non‐invasive tool to extract quantitative information
Miriam Minguez‐Avellan, Alexandr Marunchenko, Víctor Sagra‐Rodríguez, Rafael Abargues, Pablo P. Boix, Ivan G. Scheblykin   +5 more
wiley   +1 more source

SINGLET FISSION FOR PEROVSKITE SOLAR CELL

, 2023
The perovskite solar cell has recently gained momentum within the renewable energy industry due to its unique advantages such as high efficiency and cost-effectiveness. However, its instability remains a challenge to its commercialization. In this study,
Le, Toan
core   +1 more source

Phase Diagrams and Piezoelectric Properties of Wurtzite Al1−x−yScxGdyN Heterostructural Alloys

Advanced Science, EarlyView.
This study demonstrates ferroelectricity and piezoelectric properties improvement of quaternary wurtzite Al1−x−yScxGdyN${\rm Al}_{1-x-y}{\rm Sc}_x{\rm Gd}_y{\rm N}$ films, guided by density functional theory calculations. Wurtzite Al1−x−yScxGdyN${\rm Al}_{1-x-y}{\rm Sc}_x{\rm Gd}_y{\rm N}$ films have a high optical bandgap, enhanced piezoelectric ...
Julia L. Martin, Cheng‐Wei Lee, Nate S.P. Bernstein, Thi Nguyen, Ande Bryan, Eli Cooper, John S. Mangum, Sage R. Bauers, Andriy Zakutayev, Keisuke Yazawa, Prashun Gorai, Rebecca W. Smaha   +11 more
wiley   +1 more source

Minimizing Open-Circuit Voltage Losses in Perovskite/Perovskite/Silicon Triple-Junction Solar Cell with Optimized Top Cell

Following the impressive efficiencies achieved for two-terminal perovskite/silicon dual-junction solar cells, perovskite/perovskite/silicon triple-junction cells have now gained attention and are rapidly developing. In a two-terminal triple-junction cell,
Shaji, Athira, Karalis, Orestis, Schulze, Patricia S.C., Bivour, Martin, Fischer, Oliver, Bett, Alexander J., Bett, Andreas W., Borchert, Anna Juliane, Schindler, F., Günthel, Michael, Borchert, Juliane, Schubert, Martin, Heydarian, Minasadat, Schulze, Patricia S. C., Schindler, Florian, Glunz, Stefan, Schubert, Martin C., Hempel, Hannes, Heydarian, Maryamsadat, Bett, Alexander   +19 more
core   +1 more source

Flexoelectricity in Photoconversion: Fundamentals, Materials, and Outlooks

Advanced Science, EarlyView.
Mechanical bending of a flexible cantilever induces a strain gradient in the photoactive material. The resulting flexoelectric field couples with photovoltaic and photoconductive effects, modulating charge generation, separation, and collection. A comparative analysis of oxide perovskites, halide perovskites, and two‐dimensional materials is presented,
Xiang Huang, Feng Li, Rongkun Zheng
wiley   +1 more source