Search Results - "Alyamani, Ahmed"

Atomic-level passivation mechanism of ammonium salts enabling highly efficient perovskite solar cells by Alharbi, Essa A., Alyamani, Ahmed Y., Kubicki, Dominik J., Uhl, Alexander R., Walder, Brennan J., Alanazi, Anwar Q., Luo, Jingshan, Burgos-Caminal, Andrés, Albadri, Abdulrahman, Albrithen, Hamad, Alotaibi, Mohammad Hayal, Moser, Jacques-E., Zakeeruddin, Shaik M., Giordano, Fabrizio, Emsley, Lyndon, Grätzel, Michael

“…The high conversion efficiency has made metal halide perovskite solar cells a real breakthrough in thin film photovoltaic technology in recent years. Here, we…”
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Efficient Triplet Exciton Fusion in Molecularly Doped Polymer Light‐Emitting Diodes by Di, Dawei, Yang, Le, Richter, Johannes M., Meraldi, Lorenzo, Altamimi, Rashid M., Alyamani, Ahmed Y., Credgington, Dan, Musselman, Kevin P., MacManus‐Driscoll, Judith L., Friend, Richard H.

“…Solution‐processed polymer organic light‐emitting diodes (OLEDs) doped with triplet–triplet annihilation (TTA)‐upconversion molecules, including…”
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Development of high performance green c-plane III-nitride light-emitting diodes by Alhassan, Abdullah I, Young, Nathan G, Farrell, Robert M, Pynn, Christopher, Wu, Feng, Alyamani, Ahmed Y, Nakamura, Shuji, DenBaars, Steven P, Speck, James S

“…The effect of employing an AlGaN cap layer in the active region of green c-plane light-emitting diodes (LEDs) was studied. Each quantum well (QW) and barrier…”
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Droop-Free, Reliable, and High-Power InGaN/GaN Nanowire Light-Emitting Diodes for Monolithic Metal-Optoelectronics by Zhao, Chao, Ng, Tien Khee, ElAfandy, Rami T, Prabaswara, Aditya, Consiglio, Giuseppe Bernardo, Ajia, Idris A, Roqan, Iman S, Janjua, Bilal, Shen, Chao, Eid, Jessica, Alyamani, Ahmed Y, El-Desouki, Munir M, Ooi, Boon S

“…A droop-free nitride light-emitting diode (LED) with the capacity to operate beyond the “green gap” has been a subject of intense scientific and engineering…”
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Atomic-Level Microstructure of Efficient Formamidinium-Based Perovskite Solar Cells Stabilized by 5‑Ammonium Valeric Acid Iodide Revealed by Multinuclear and Two-Dimensional Solid-State NMR by Alanazi, Anwar Q, Kubicki, Dominik J, Prochowicz, Daniel, Alharbi, Essa A, Bouduban, Marine E. F, Jahanbakhshi, Farzaneh, Mladenović, Marko, Milić, Jovana V, Giordano, Fabrizio, Ren, Dan, Alyamani, Ahmed Y, Albrithen, Hamad, Albadri, Abdulrahman, Alotaibi, Mohammad Hayal, Moser, Jacques-E, Zakeeruddin, Shaik M, Rothlisberger, Ursula, Emsley, Lyndon, Grätzel, Michael

“…Chemical doping of inorganic–organic hybrid perovskites is an effective way of improving the performance and operational stability of perovskite solar cells…”
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High-speed 405-nm superluminescent diode (SLD) with 807-MHz modulation bandwidth by Shen, Chao, Lee, Changmin, Ng, Tien Khee, Nakamura, Shuji, Speck, James S, DenBaars, Steven P, Alyamani, Ahmed Y, El-Desouki, Munir M, Ooi, Boon S

“…III-nitride LEDs are fundamental components for visible-light communication (VLC). However, the modulation bandwidth is inherently limited by the relatively…”
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Droop-free AlxGa1-xN/AlyGa1-yN quantum-disks-in-nanowires ultraviolet LED emitting at 337 nm on metal/silicon substrates by Janjua, Bilal, Sun, Haiding, Zhao, Chao, Anjum, Dalaver H, Priante, Davide, Alhamoud, Abdullah A, Wu, Feng, Li, Xiaohang, Albadri, Abdulrahman M, Alyamani, Ahmed Y, El-Desouki, Munir M, Ng, Tien Khee, Ooi, Boon S

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Benzylammonium‐Mediated Formamidinium Lead Iodide Perovskite Phase Stabilization for Photovoltaics by Alanazi, Anwar Q., Almalki, Masaud H., Mishra, Aditya, Kubicki, Dominik J., Wang, Zaiwei, Merten, Lena, Eickemeyer, Felix T., Zhang, Hong, Ren, Dan, Alyamani, Ahmed Y., Albrithen, Hamad, Albadri, Abdulrahman, Alotaibi, Mohammad Hayal, Hinderhofer, Alexander, Zakeeruddin, Shaik M., Schreiber, Frank, Hagfeldt, Anders, Emsley, Lyndon, Milić, Jovana V., Graetzel, Michael

“…There is an ongoing surge of interest in the use of formamidinium (FA) lead iodide perovskites in photovoltaics due to their exceptional optoelectronic…”
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High-power blue superluminescent diode for high CRI lighting and high-speed visible light communication by Alatawi, Abdullah A, Holguin-Lerma, Jorge A, Kang, Chun Hong, Shen, Chao, Subedi, Ram Chandra, Albadri, Abdulrahman M, Alyamani, Ahmed Y, Ng, Tien Khee, Ooi, Boon S

“…We demonstrated a high-power (474 mW) blue superluminescent diode (SLD) on c-plane GaN-substrate for speckle-free solid-state lighting (SSL), and high-speed…”
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Formation of High‐Performance Multi‐Cation Halide Perovskites Photovoltaics by δ‐CsPbI3/δ‐RbPbI3 Seed‐Assisted Heterogeneous Nucleation by Alharbi, Essa A., Baumeler, Thomas P., Krishna, Anurag, Alyamani, Ahmed Y., Eickemeyer, Felix T., Ouellette, Olivier, Pan, Linfeng, Alghamdi, Fahad S., Wang, Zaiwei, Alotaibi, Mohammad Hayal, Yang, Bowen, Almalki, Masaud, Mensi, Mounir D., Albrithen, Hamad, Albadri, Abdulrahman, Hagfeldt, Anders, Zakeeruddin, Shaik M., Grätzel, Michael

“…The performance of perovskite solar cells is highly dependent on the fabrication method; thus, controlling the growth mechanism of perovskite crystals is a…”
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Improved Open- Circuit Voltage in ZnO-PbSe Quantum Dot Solar Cells by Understanding and Reducing Losses Arising from the ZnO Conduction Band Tail by Hoye, Robert L. Z., Ehrler, Bruno, Böhm, Marcus L., Muñoz-Rojas, David, Altamimi, Rashid M., Alyamani, Ahmed Y., Vaynzof, Yana, Sadhanala, Aditya, Ercolano, Giorgio, Greenham, Neil C., Friend, Richard H., MacManus-Driscoll, Judith L., Musselman, Kevin P.

“…Colloidal quantum dot solar cells (CQDSCs) are attracting growing attention owing to significant improvements in efficiency. However, even the best…”
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Abundant non-toxic materials for thin film solar cells: Alternative to conventional materials by Alharbi, Fahhad, Bass, John D., Salhi, Abdelmajid, Alyamani, Ahmed, Kim, Ho-Cheol, Miller, Robert D.

“…Presented are the results of a comparative analysis to identify abundant, non-toxic binary materials with potential applicability for photovoltaics. Materials…”
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Damage-free substrate removal technique: Wet undercut etching of semipolar \(\left(20\overline{2}1\right)\) laser structures by incorporation of un/relaxed sacrificial layer single quantum well by Abbas, Arwa Saud, Alyamani, Ahmed Y, Nakamura, Shuji, Denbaars, Steven P

“…We applied a damage-free substrate removal technique using photoelectrochemical etching (PECE) by incorporating sacrificial layer In0.12Ga0.88N single quantum…”
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High-Modulation-Efficiency, Integrated Waveguide Modulator–Laser Diode at 448 nm by Shen, Chao, Ng, Tien Khee, Leonard, John T, Pourhashemi, Arash, Oubei, Hassan M, Alias, Mohd S, Nakamura, Shuji, DenBaars, Steven P, Speck, James S, Alyamani, Ahmed Y, Eldesouki, Munir M, Ooi, Boon S

“…To date, solid-state lighting (SSL), visible light communication (VLC), and optical clock generation functionalities in the blue-green color regime have been…”
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Semipolar InGaN quantum-well laser diode with integrated amplifier for visible light communications by Shen, Chao, Ng, Tien Khee, Lee, Changmin, Nakamura, Shuji, Speck, James S, DenBaars, Steven P, Alyamani, Ahmed Y, El-Desouki, Munir M, Ooi, Boon S

“…GaN-based semiconductor optical amplifier (SOA) and its integration with laser diode (LD) is an essential building block yet to be demonstrated for III-nitride…”
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Investigation of the structural, optical and electrical properties of indium-doped TiO2 thin films grown by Pulsed Laser Deposition technique on low and high index GaAs planes by Al mashary, Faisal S., Felix, Jorlandio F., Ferreira, Sukarno O., de Souza, Daniele, Gobato, Yara G., Chauhan, Jasbinder, Alexeeva, Natalia, Henini, Mohamed, Albadri, Abdulrahman M., Alyamani, Ahmed Y.

“…•The best crystallographic properties obtained on samples grown on (311)B planes.•Electrical properties of samples grown on (311)B have been enhanced by indium…”
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Direct Growth of III-Nitride Nanowire-Based Yellow Light-Emitting Diode on Amorphous Quartz Using Thin Ti Interlayer by Prabaswara, Aditya, Min, Jung-Wook, Zhao, Chao, Janjua, Bilal, Zhang, Daliang, Albadri, Abdulrahman M., Alyamani, Ahmed Y., Ng, Tien Khee, Ooi, Boon S.

“…Consumer electronics have increasingly relied on ultra-thin glass screen due to its transparency, scalability, and cost. In particular, display technology…”
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InGaN/GaN nanowires epitaxy on large-area MoS2 for high-performance light-emitters by Zhao, Chao, Tien Khee Ng, Tseng, Chien-Chih, Li, Jun, Shi, Yumeng, Wei, Nini, Zhang, Daliang, Giuseppe Bernardo Consiglio, Prabaswara, Aditya, Abdullah Ali Alhamoud, Albadri, Abdulrahman M, Alyamani, Ahmed Y, Zhang, X X, Lain-Jong, Li, Ooi, Boon S

“…The recent study of a wide range of layered transition metal dichalcogenides (TMDCs) has created a new era for device design and applications. In particular,…”
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Green Synthesis of Zinc Oxide Nanoparticles Using Pomegranate Fruit Peel and Solid Coffee Grounds vs. Chemical Method of Synthesis, with Their Biocompatibility and Antibacterial Properties Investigation by Abdelmigid, Hala M, Hussien, Nahed Ahmed, Alyamani, Amal Ahmed, Morsi, Maissa M, AlSufyani, Noha Moslah, Kadi, Hanan Abdulaziz

“…This research aims to investigate the synthesis, characterization, and evaluation of the biocompatibility and antibacterial activity of novel zinc oxide (ZnO)…”
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Ultrabroad linewidth orange-emitting nanowires LED for high CRI laser-based white lighting and gigahertz communications by Janjua, Bilal, Ng, Tien Khee, Zhao, Chao, Oubei, Hassan Makine, Shen, Chao, Prabaswara, Aditya, Alias, Mohd Sharizal, Alhamoud, Abdullah Ali, Alatawi, Abdullah Awaad, Albadri, Abdulrahman M, Alyamani, Ahmed Y, El-Desouki, Munir M, Ooi, Boon S

“…Group-III-nitride laser diode (LD)-based solid-state lighting device has been demonstrated to be droop-free compared to light-emitting diodes (LEDs), and…”
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