Search Results - "Bakr, Osman M"

17% Efficient Organic Solar Cells Based on Liquid Exfoliated WS2 as a Replacement for PEDOT:PSS by Lin, Yuanbao, Adilbekova, Begimai, Firdaus, Yuliar, Yengel, Emre, Faber, Hendrik, Sajjad, Muhammad, Zheng, Xiaopeng, Yarali, Emre, Seitkhan, Akmaral, Bakr, Osman M., El‐Labban, Abdulrahman, Schwingenschlögl, Udo, Tung, Vincent, McCulloch, Iain, Laquai, Frédéric, Anthopoulos, Thomas D.

“…The application of liquid‐exfoliated 2D transition metal disulfides (TMDs) as the hole transport layers (HTLs) in nonfullerene‐based organic solar cells is…”
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Metal Halide Perovskites for Solar‐to‐Chemical Fuel Conversion by Chen, Jie, Dong, Chunwei, Idriss, Hicham, Mohammed, Omar F., Bakr, Osman M.

“…This review article presents and discusses the recent progress made in the stabilization, protection, improvement, and design of halide perovskite‐based…”
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Planar-integrated single-crystalline perovskite photodetectors by Saidaminov, Makhsud I., Adinolfi, Valerio, Comin, Riccardo, Abdelhady, Ahmed L., Peng, Wei, Dursun, Ibrahim, Yuan, Mingjian, Hoogland, Sjoerd, Sargent, Edward H., Bakr, Osman M.

“…Hybrid perovskites are promising semiconductors for optoelectronic applications. However, they suffer from morphological disorder that limits their…”
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High-quality bulk hybrid perovskite single crystals within minutes by inverse temperature crystallization by Saidaminov, Makhsud I., Abdelhady, Ahmed L., Murali, Banavoth, Alarousu, Erkki, Burlakov, Victor M., Peng, Wei, Dursun, Ibrahim, Wang, Lingfei, He, Yao, Maculan, Giacomo, Goriely, Alain, Wu, Tom, Mohammed, Omar F., Bakr, Osman M.

“…Single crystals of methylammonium lead trihalide perovskites (MAPbX 3 ; MA=CH 3 NH 3 + , X=Br − or I − ) have shown remarkably low trap density and charge…”
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Inversion symmetry and bulk Rashba effect in methylammonium lead iodide perovskite single crystals by Frohna, Kyle, Deshpande, Tejas, Harter, John, Peng, Wei, Barker, Bradford A., Neaton, Jeffrey B., Louie, Steven G., Bakr, Osman M., Hsieh, David, Bernardi, Marco

“…Methylammonium lead iodide perovskite (MAPbI 3 ) exhibits long charge carrier lifetimes that are linked to its high efficiency in solar cells. Yet, the…”
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Engineering Interfacial Charge Transfer in CsPbBr3 Perovskite Nanocrystals by Heterovalent Doping by Begum, Raihana, Parida, Manas R, Abdelhady, Ahmed L, Murali, Banavoth, Alyami, Noktan M, Ahmed, Ghada H, Hedhili, Mohamed Nejib, Bakr, Osman M, Mohammed, Omar F

“…Since compelling device efficiencies of perovskite solar cells have been achieved, investigative efforts have turned to understand other key challenges in…”
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Highly Efficient Perovskite-Quantum-Dot Light-Emitting Diodes by Surface Engineering by Pan, Jun, Quan, Li Na, Zhao, Yongbiao, Peng, Wei, Murali, Banavoth, Sarmah, Smritakshi P., Yuan, Mingjian, Sinatra, Lutfan, Alyami, Noktan M., Liu, Jiakai, Yassitepe, Emre, Yang, Zhenyu, Voznyy, Oleksandr, Comin, Riccardo, Hedhili, Mohamed N., Mohammed, Omar F., Lu, Zheng Hong, Kim, Dong Ha, Sargent, Edward H., Bakr, Osman M.

“…A two‐step ligand‐exchange strategy is developed, in which the long‐carbon‐ chain ligands on all‐inorganic perovskite (CsPbX3, X = Br, Cl) quantum dots (QDs)…”
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Low trap-state density and long carrier diffusion in organolead trihalide perovskite single crystals by Shi, Dong, Adinolfi, Valerio, Comin, Riccardo, Yuan, Mingjian, Alarousu, Erkki, Buin, Andrei, Chen, Yin, Hoogland, Sjoerd, Rothenberger, Alexander, Katsiev, Khabiboulakh, Losovyj, Yaroslav, Zhang, Xin, Dowben, Peter A., Mohammed, Omar F., Sargent, Edward H., Bakr, Osman M.

“…The fundamental properties and ultimate performance limits of organolead trihalide MAPbX3 (MA = CH3NH3+; X = Br– or I–) perovskites remain obscured by…”
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Reducing Defects in Halide Perovskite Nanocrystals for Light-Emitting Applications by Zheng, Xiaopeng, Hou, Yi, Sun, Hong-Tao, Mohammed, Omar F, Sargent, Edward H, Bakr, Osman M

“…The large specific surface area of perovskite nanocrystals (NCs) increases the likelihood of surface defects compared to that of bulk single crystals and…”
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Templated Atom-Precise Galvanic Synthesis and Structure Elucidation of a [Ag24Au(SR)18]− Nanocluster by Bootharaju, Megalamane S., Joshi, Chakra P., Parida, Manas R., Mohammed, Omar F., Bakr, Osman M.

“…Synthesis of atom‐precise alloy nanoclusters with uniform composition is challenging when the alloying atoms are similar in size (for example, Ag and Au). A…”
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Tailoring the Energy Landscape in Quasi-2D Halide Perovskites Enables Efficient Green-Light Emission by Quan, Li Na, Zhao, Yongbiao, García de Arquer, F. Pelayo, Sabatini, Randy, Walters, Grant, Voznyy, Oleksandr, Comin, Riccardo, Li, Yiying, Fan, James Z, Tan, Hairen, Pan, Jun, Yuan, Mingjian, Bakr, Osman M, Lu, Zhenghong, Kim, Dong Ha, Sargent, Edward H

“…Organo-metal halide perovskites are a promising platform for optoelectronic applications in view of their excellent charge-transport and bandgap tunability…”
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Tuning Hot Carrier Cooling Dynamics by Dielectric Confinement in Two-Dimensional Hybrid Perovskite Crystals by Yin, Jun, Maity, Partha, Naphade, Rounak, Cheng, Bin, He, Jr-Hau, Bakr, Osman M, Brédas, Jean-Luc, Mohammed, Omar F

“…Hot carrier (HC) cooling is a critical photophysical process that significantly influences the optoelectronic performance of hybrid perovskite-based devices…”
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Point Defects and Green Emission in Zero-Dimensional Perovskites by Yin, Jun, Yang, Haoze, Song, Kepeng, El-Zohry, Ahmed M, Han, Yu, Bakr, Osman M, Brédas, Jean-Luc, Mohammed, Omar F

“…Zero-dimensional (0D) perovskites have recently opened a new frontier in device engineering for light conversion technologies due to their unprecedented high…”
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Two-Photon Absorption in Organometallic Bromide Perovskites by Walters, Grant, Sutherland, Brandon R, Hoogland, Sjoerd, Shi, Dong, Comin, Riccardo, Sellan, Daniel P, Bakr, Osman M, Sargent, Edward. H

“…Organometallic trihalide perovskites are solution-processed semiconductors that have made great strides in third-generation thin film light-harvesting and…”
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A general mechanism for intracellular toxicity of metal-containing nanoparticles by Sabella, Stefania, Carney, Randy P, Brunetti, Virgilio, Malvindi, Maria Ada, Al-Juffali, Noura, Vecchio, Giuseppe, Janes, Sam M, Bakr, Osman M, Cingolani, Roberto, Stellacci, Francesco, Pompa, Pier Paolo

“…The assessment of the risks exerted by nanoparticles is a key challenge for academic, industrial, and regulatory communities worldwide. Experimental evidence…”
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Structurally Tunable Two-Dimensional Layered Perovskites: From Confinement and Enhanced Charge Transport to Prolonged Hot Carrier Cooling Dynamics by El-Ballouli, Ala’a O, Bakr, Osman M, Mohammed, Omar F

“…Two-dimensional (2D) layered metal halide perovskites are potential alternatives to three-dimensional perovskites in optoelectronic applications owing to their…”
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18.4 % Organic Solar Cells Using a High Ionization Energy Self‐Assembled Monolayer as Hole‐Extraction Interlayer by Lin, Yuanbao, Magomedov, Artiom, Firdaus, Yuliar, Kaltsas, Dimitris, El‐Labban, Abdulrahman, Faber, Hendrik, Naphade, Dipti R., Yengel, Emre, Zheng, Xiaopeng, Yarali, Emre, Chaturvedi, Neha, Loganathan, Kalaivanan, Gkeka, Despoina, AlShammari, Sanaa H., Bakr, Osman M., Laquai, Frédéric, Tsetseris, Leonidas, Getautis, Vytautas, Anthopoulos, Thomas D.

“…Self‐assembled monolayers (SAMs) based on Br‐2PACz ([2‐(3,6‐dibromo‐9H‐carbazol‐9‐yl)ethyl]phosphonic acid) 2PACz ([2‐(9H‐Carbazol‐9‐yl)ethyl]phosphonic acid)…”
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Amine-Free Synthesis of Cesium Lead Halide Perovskite Quantum Dots for Efficient Light-Emitting Diodes by Yassitepe, Emre, Yang, Zhenyu, Voznyy, Oleksandr, Kim, Younghoon, Walters, Grant, Castañeda, Juan Andres, Kanjanaboos, Pongsakorn, Yuan, Mingjian, Gong, Xiwen, Fan, Fengjia, Pan, Jun, Hoogland, Sjoerd, Comin, Riccardo, Bakr, Osman M., Padilha, Lazaro A., Nogueira, Ana F., Sargent, Edward H.

“…Cesium lead halide perovskite quantum dots (PQDs) have attracted significant interest for optoelectronic applications in view of their high brightness and…”
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Gold Doping of Silver Nanoclusters: A 26-Fold Enhancement in the Luminescence Quantum Yield by Soldan, Giada, Aljuhani, Maha A., Bootharaju, Megalamane S., AbdulHalim, Lina G., Parida, Manas R., Emwas, Abdul-Hamid, Mohammed, Omar F., Bakr, Osman M.

“…A high quantum yield (QY) of photoluminescence (PL) in nanomaterials is necessary for a wide range of applications. Unfortunately, the weak PL and moderate…”
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General Mild Reaction Creates Highly Luminescent Organic-Ligand-Lacking Halide Perovskite Nanocrystals for Efficient Light-Emitting Diodes by Zhang, Bin-Bin, Yuan, Shuai, Ma, Ju-Ping, Zhou, Yang, Hou, Jingshan, Chen, Xueyuan, Zheng, Wei, Shen, Huaibin, Wang, Xue-Chun, Sun, Baoquan, Bakr, Osman M, Liao, Liang-Sheng, Sun, Hong-Tao

“…The presence of labile bulky insulating hydrocarbon ligands in halide perovskite nanocrystals (NCs) passivates surface traps but concurrently makes charge…”
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