Search Results - "Mohammed, Omar F"

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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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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Efficient Visible‐Light Driven Photothermal Conversion of CO2 to Methane by Nickel Nanoparticles Supported on Barium Titanate by Mateo, Diego, Morlanes, Natalia, Maity, Partha, Shterk, Genrikh, Mohammed, Omar F., Gascon, Jorge

“…Solar‐driven methanation represents a potentially cost‐efficient and environmentally friendly route for the direct hydrogenation of CO2. Recently, photothermal…”
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Unprecedented Ultralow Detection Limit of Amines using a Thiadiazole-Functionalized Zr(IV)-Based Metal–Organic Framework by Mallick, Arijit, El-Zohry, Ahmed M, Shekhah, Osama, Yin, Jun, Jia, Jiangtao, Aggarwal, Himanshu, Emwas, Abdul-Hamid, Mohammed, Omar F, Eddaoudi, Mohamed

“…A luminescent Zr­(IV)-based metal–organic framework (MOF), with the underlying fcu topology, encompassing a π-conjugated organic ligand with a thiadiazole…”
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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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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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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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Study of the Bulk Charge Carrier Dynamics in Anatase and Rutile TiO2 Single Crystals by Femtosecond Time-Resolved Spectroscopy by Maity, Partha, Mohammed, Omar F, Katsiev, Khabiboulakh, Idriss, Hicham

“…Understanding of the fundamentals behind charge carrier dynamics of photocatalytic materials is still illusive, hindering progress in our quest for renewable…”
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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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MXenes for Plasmonic Photodetection by Velusamy, Dhinesh Babu, El‐Demellawi, Jehad K., El‐Zohry, Ahmed M., Giugni, Andrea, Lopatin, Sergei, Hedhili, Mohamed N., Mansour, Ahmed E., Fabrizio, Enzo Di, Mohammed, Omar F., Alshareef, Husam N.

“…MXenes have recently shown impressive optical and plasmonic properties associated with their ultrathin‐atomic‐layer structure. However, their potential use in…”
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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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Zeolite-like Metal–Organic Framework (MOF) Encaged Pt(II)-Porphyrin for Anion-Selective Sensing by Masih, Dilshad, Chernikova, Valeriya, Shekhah, Osama, Eddaoudi, Mohamed, Mohammed, Omar F

“…The selectivity and sensitivity of sensors are of great interest to the materials chemistry community, and a lot of effort is now devoted to improving these…”
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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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Boosting Self-Trapped Emissions in Zero-Dimensional Perovskite Heterostructures by Yin, Jun, Brédas, Jean-Luc, Bakr, Osman M, Mohammed, Omar F

“…Zero-dimensional (0D) inorganic perovskites have attracted great interest for white-light-emitting applications because of their broad band emissions…”
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Direct-Indirect Nature of the Bandgap in Lead-Free Perovskite Nanocrystals by Zhang, Yuhai, Yin, Jun, Parida, Manas R, Ahmed, Ghada H, Pan, Jun, Bakr, Osman M, Brédas, Jean-Luc, Mohammed, Omar F

“…With record efficiencies achieved in lead halide perovskite-based photovoltaics, urgency has shifted toward finding alternative materials that are stable and…”
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Ultralow Self-Doping in Two-dimensional Hybrid Perovskite Single Crystals by Peng, Wei, Yin, Jun, Ho, Kang-Ting, Ouellette, Olivier, De Bastiani, Michele, Murali, Banavoth, El Tall, Omar, Shen, Chao, Miao, Xiaohe, Pan, Jun, Alarousu, Erkki, He, Jr-Hau, Ooi, Boon S, Mohammed, Omar F, Sargent, Edward, Bakr, Osman M

“…Unintentional self-doping in semiconductors through shallow defects is detrimental to optoelectronic device performance. It adversely affects junction…”
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Heterovalent Dopant Incorporation for Bandgap and Type Engineering of Perovskite Crystals by Abdelhady, Ahmed L, Saidaminov, Makhsud I, Murali, Banavoth, Adinolfi, Valerio, Voznyy, Oleksandr, Katsiev, Khabiboulakh, Alarousu, Erkki, Comin, Riccardo, Dursun, Ibrahim, Sinatra, Lutfan, Sargent, Edward H, Mohammed, Omar F, Bakr, Osman M

“…Controllable doping of semiconductors is a fundamental technological requirement for electronic and optoelectronic devices. As intrinsic semiconductors, hybrid…”
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