Search Results - "Hierro, Adrián"

Open circuit voltage recovery in GaAsSbN-based solar cells: Role of deep N-related radiative states by Gonzalo, Alicia, Stanojević, Lazar, Utrilla, Antonio D., Reyes, Daniel F., Braza, Verónica, Fuertes Marrón, David, Ben, Teresa, González, David, Hierro, Adrián, Guzman, Alvaro, Ulloa, José María

“…In this work we investigate the effect of rapid thermal annealing (RTA) on the performance of solar cells consisting of different GaAsSbN-based structures and…”
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Room temperature absorption in laterally biased quantum infrared detectors fabricated by MBE regrowth by Guzmán, Álvaro, San-Román, Rocío, Hierro, Adrián

“…In this paper, we show room temperature operation of a quantum well infrared photodetector (QWIP) using lateral conduction through ohmic contacts deposited at…”
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Superoxide radical derived metal-free spiro-OMeTAD for highly stable perovskite solar cells by Ye, Linfeng, Wu, Jiahao, Catalán-Gómez, Sergio, Yuan, Li, Sun, Riming, Chen, Ruihao, Liu, Zhe, Ulloa, Jose María, Hierro, Adrian, Guo, Pengfei, Zhou, Yuanyuan, Wang, Hongqiang

“…Lithium salt-doped spiro-OMeTAD is widely used as a hole-transport layer (HTL) for high-efficiency n-i-p perovskite solar cells (PSCs), but unfortunately…”
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Size and shape tunability of self-assembled InAs/GaAs nanostructures through the capping rate by Utrilla, Antonio D., Grossi, Davide F., Reyes, Daniel F., Gonzalo, Alicia, Braza, Verónica, Ben, Teresa, González, David, Guzman, Alvaro, Hierro, Adrian, Koenraad, Paul M., Ulloa, Jose M.

“…InAs/GaAs nanostructure tunability through the capping rate: from quantum rings to completely preserved pyramidal quantum dots. [Display omitted] •Control over…”
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Terahertz Intersubband Electroluminescence from Nonpolar m‑Plane ZnO Quantum Cascade Structures by Meng, Bo, Hinkov, Borislav, Biavan, Nolwenn Marie L, Hoang, Hanh T, Lefebvre, Denis, Hugues, Maxime, Stark, David, Franckié, Martin, Torres-Pardo, Almudena, Tamayo-Arriola, Julen, Bajo, Miguel M, Hierro, Adrian, Strasser, Gottfried, Faist, Jérôme, Chauveau, Jean M

“…The ZnO-based heterostructures are predicted to be promising candidates for optoelectronic devices in the infrared and terahertz (THz) spectral domains owing…”
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Role of the wetting layer in the enhanced responsivity of InAs/GaAsSb quantum dot infrared photodetectors by Guzmán, Álvaro, Yamamoto, Kenji, Ulloa, J. M., Llorens, J. M., Hierro, Adrian

“…InAs/GaAs1−xSbx Quantum Dot (QD) infrared photodetectors are analyzed by photocurrent spectroscopy. We observe that the integrated responsivity of the devices…”
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MOCVD growth of CdO very thin films: Problems and ways of solution by Huerta-Barberà, Adelaida, Guia, Lluís Manel, Klymov, Oleksii, Marín-Borrás, Vicente, Martínez-Tomás, Carmen, Tamayo-Arriola, Julen, Kurtz, Alejandro, Montes Bajo, Miguel, Muñoz, Elias, Hierro, Adrian, Muñoz-Sanjosé, Vicente

“…•Very thin flat films of CdO (001) on r-sapphire have been obtained.•The lowest thickness is 5 times lower than other previously reported.•The effect of the…”
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Self-assembled metal-oxide nanoparticles on GaAs: infrared absorption enabled by localized surface plasmons by Martínez Castellano, Eduardo, Tamayo-Arriola, Julen, Montes Bajo, Miguel, Gonzalo, Alicia, Stanojević, Lazar, Ulloa, Jose María, Klymov, Oleksii, Yeste, Javier, Agouram, Said, Muñoz, Elías, Muñoz-Sanjosé, Vicente, Hierro, Adrian

“…Metal-oxides hold promise as superior plasmonic materials in the mid-infrared compared to metals, although their integration over established material…”
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Interfacial Embedding of Laser‐Manufactured Fluorinated Gold Clusters Enabling Stable Perovskite Solar Cells with Efficiency Over 24 by Guo, Pengfei, Zhu, Hongfu, Zhao, Wenhao, Liu, Chen, Zhu, Liguo, Ye, Qian, Jia, Ning, Wang, Hongyue, Zhang, Xiuhai, Huang, Wanxia, Vinokurov, Vladimir A., Ivanov, Evgenii, Shchukin, Dmitry, Harvey, Daniel, Ulloa, Jose María, Hierro, Adrian, Wang, Hongqiang

“…Tackling the interfacial loss in emerged perovskite‐based solar cells (PSCs) to address synchronously the carrier dynamics and the environmental stability, has…”
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Optical Phase Transition in Semiconductor Quantum Metamaterials by Hierro, Adrian, Montes Bajo, Miguel, Ferraro, Mario, Tamayo-Arriola, Julen, Le Biavan, Nolwenn, Hugues, Maxime, Ulloa, Jose M., Giudici, Massimo, Chauveau, Jean-Michel, Genevet, Patrice

“…Unexpected light propagation effects, such as negative refraction, have been reported in artificial media. Leveraging on the intersubband resonances in…”
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Mid-IR Surface Plasmon Polaritons in CdZnO thin films on GaAs by Martínez Castellano, Eduardo, Yeste, Javier, Abuin, Manuel, Martínez-Tomás, Maria del Carmen, Klymov, Oleksii, Muñoz-Sanjosé, Vicente, Montes Bajo, Miguel, Hierro, Adrian

“…[Display omitted] •In this work, the first integration of a continuous polycrystalline CdZnO thin layer on GaAs, one of the dominant mid-IR optoelectronic…”
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Interfacial Embedding of Laser‐Manufactured Fluorinated Gold Clusters Enabling Stable Perovskite Solar Cells with Efficiency Over 24% (Adv. Mater. 36/2021) by Guo, Pengfei, Zhu, Hongfu, Zhao, Wenhao, Liu, Chen, Zhu, Liguo, Ye, Qian, Jia, Ning, Wang, Hongyue, Zhang, Xiuhai, Huang, Wanxia, Vinokurov, Vladimir A., Ivanov, Evgenii, Shchukin, Dmitry, Harvey, Daniel, Ulloa, Jose María, Hierro, Adrian, Wang, Hongqiang

“…Perovskite Solar Cells In article number 2101590, Hongqiang Wang and co‐workers report stable perovskite solar cells with champion efficiency over 24% and…”
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Optical Phase Transition in Semiconductor Quantum Metamaterials by Hierro, Adrian, Montes Bajo, Miguel, Ferraro, Mario, Tamayo-Arriola, Julen, Le Biavan, Nolwenn, Hugues, Maxime, Ulloa, Jose, Giudici, Massimo, Chauveau, Jean-Michel, Genevet, Patrice

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Diluted nitride type-II superlattices: Overcoming the difficulties of bulk GaAsSbN in solar cells by Gonzalo, Alicia, Utrilla, Antonio D., Aeberhard, Urs, Braza, Verónica, Reyes, Daniel F., Marrón, David Fuertes, Llorens, Jose M., Alén, Benito, Ben, Teresa, González, David, Guzman, Alvaro, Hierro, Adrian, Ulloa, J.M.

“…We demonstrate type-II GaAsSb/GaAsN superlattices (SL) as a suitable structure to form the lattice-matched 1.0–1.15 eV subcell that would allow the…”
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Short infrared wavelength quantum cascade detectors based on m-plane ZnO/ZnMgO quantum wells by Jollivet, A., Hinkov, B., Pirotta, S., Hoang, H., Derelle, S., Jaeck, J., Tchernycheva, M., Colombelli, R., Bousseksou, A., Hugues, M., Le Biavan, N., Tamayo-Arriola, J., Montes Bajo, M., Rigutti, L., Hierro, A., Strasser, G., Chauveau, J.-M., Julien, F. H.

“…This paper reports on the demonstration of quantum cascade detectors (QCDs) based on ZnO/ZnMgO quantum wells (QWs) grown by molecular beam epitaxy on an…”
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Type-II Super Lattices for Photovoltaics: Analysis of Carrier Collection Efficiency by an Optoelectronic Study as a Function of Temperature by Schwarz, Malte, Carro, Alejandro Gallego, Catalan-Gamez, Sergio, Braza, Veronica, Flores, Sara, Fernandez-Reyes, Daniel, Ben, Teresa, Gonzalez, David, Guzman, Alvaro, Hierro, Adrian, Privitera, Simone, Barbieri, Giulio, Llorens, Jose, AlAcn, Benito, Aeberhard, Urs, Ulloa, Jose

“…Type-II GaAsSb/GaAsN structures as 1eV bandgap materials for photovoltaics suffer from low carrier collection efficiency. To evaluate recombination and…”
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Wurtzite Zn1−y(MgxCd1−x)yO quaternary systems for photodiodes in visible spectral range by Nieda, Yoshiaki, Suzuki, Mari, Nakamura, Atsushi, Temmyo, Jiro, Tabares, Gema, Kurtz, Alejandro, Lopez, Manuel, Ulloa, José María, Hierro, Adrian, Muñoz, Elías

“…We investigated the optical bandgap engineering of ZnO based quaternary alloy films of wurtzite Zn1−y(MgxCd1−x)yO for photodiodes in visible spectral range…”
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Green Electroluminescence From ZnCdO Multiple Quantum-Well Light-Emitting Diodes Grown by Remote-Plasma-Enhanced Metal-Organic Chemical Vapor Deposition by Yamamoto, Kenji, Nakamura, Atsushi, Temmyo, Jiro, Munoz, Elías, Hierro, Adrian

“…Zn 0.80 Cd 0.20 O/Zn 0.92 Cd 0.08 O multiple quantum-well (MQW) light-emitting diodes (LEDs) on p -type 4H-SiC substrates, using remote-plasma-enhanced…”
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Wurtzite Zn1(Mg Cd1−) O quaternary systems for photodiodes in visible spectral range by Nieda, Yoshiaki, Suzuki, Mari, Nakamura, Atsushi, Temmyo, Jiro, Tabares, Gema, Kurtz, Alejandro, Lopez, Manuel, Ulloa, José María, Hierro, Adrian, Muñoz, Elías

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Long-wavelength room-temperature luminescence from InAs/GaAs quantum dots with an optimized GaAsSbN capping layer by Utrilla, Antonio D, Ulloa, Jose M, Guzman, Alvaro, Hierro, Adrian

“…An extensive study on molecular beam epitaxy growth conditions of quaternary GaAsSbN as a capping layer (CL) for InAs/GaAs quantum dots (QD) was carried out…”
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