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Total result(s) found: 31
  • Intrinsic Lead Ion Emissions in Zero-Dimensional Cs4PbBr6 Nanocrystals
    J. Yin, Y. Zhang, A. Bruno, C. Soci, O.M. Bakr, J.-L. Brédas, O.F. Mohammed
    ACS Energy Letters, 2, pp 2805–2811
Perovskite, Nanocrystals, Experimental, Theoretical
  • Room-temperature Engineering of All-inorganic Perovskite Nanocrsytals with Different Dimensionalities
    H. Yang, Y. Zhang, J. Pan, J. Yin, O.M. Bakr, O.F. Mohammed
    Chemistry of Materials, Just Accepted Manuscript​
Inorganic, Perovskite, Nanocrystals
  • CsPb2Br5 Single Crystals: Synthesis and Characterization
    I. Dursun, M.D. Bastiani, B. Turedi, B. Alamer, A. Shkurenko, J. Yin, A.M. El-Zohry, I. Gereige, A. AlSaggaf, O.F. Mohammed, M. Eddaoudi, O.M. Bakr
    ChemSusChem, Early View (2017)
Halogen perovskites, Indirect band gap, Photoluminescence, Plumbates, Single crystal
  • Direct versus ligand-exchange synthesis of [PtAg28(BDT)12(TPP)4]4− nanoclusters: effect of a single-atom dopant on the optoelectronic and chemical properties
    M.S. Bootharaju, S.M. Kozlov, Z. Cao, M. Harb, M.R. Parida, M.N. Hedhili, O.F. Mohammed, O.M. Bakr, L. Cavallo, J.-M. Basset
    Nanoscale, 9, 9529-9536 , (2017)​
Nanocluster, Optoelectronics
  • Ultralong Radiative States in Hybrid Perovskite Crystals: Compositions for Submillimeter Diffusion Lengths
    E. Alarousu, A.M. El-Zohry, J. Yin, A.A. Zhumekenov, C. Yang, E. Alhabshi, I. Gereige, A. AlSaggaf, A.V. Malko, O.M. Bakr, O.F. Mohammed
    The Journal of Physical Chemistry Letters, 8, pp 43864390, (2017)​
Organic-inorganic, Hybrid, Perovskites
  • Inside Perovskites: Quantum Luminescence from Bulk Cs4PbBr6 Single Crystals
    M.D. Bastiani, I. Dursun, Y. Zhang, B.A. Alshankiti, X.-H. Miao, J. Yin, E. Yengel, E. Alarousu, B. Turedi, J.M. Almutlaq, M.I. Saidaminov, S. Mitra, I. Gereige, A. Alsaggaf, Y. Zhu, Y. Han, I.S. Roqan, J.-L. Bredas, O.F. Mohammed, O.M. Bakr
    Chem. Mater., Just Accepted Manuscript
perovskite, crystal
  • Homo- or Hetero-Triplet–Triplet Annihilation? A Case Study with Perylene-BODIPY Dyads/Triads
    Xiaoneng Cui, Ahmed M. El-Zohry, Zhijia Wang, Jianzhang Zhao, Omar F. Mohammed
    J. Phys. Chem. C, Article ASAP​​
photophysical processes
  • Ultralow Self-Doping in 2D Hybrid Perovskite Single Crystals
    Wei Peng, Jun Yin, Kang-Ting Ho, Olivier Ouellette, Michele De Bastiani, Banavoth Murali, Omar EL TALL, Chao Shen, Xiao-He Miao, Jun Pan, Erkki Alarousu, Jr-Hau He, Boon S. Ooi, Omar F. Mohammed, Edward H. Sargent, Osman M. Bakr
    Nano Lett., Just Accepted Manuscript​
perovskite, single crystals, hybrid
  • Direct-Indirect Nature of the Bandgap in Lead-Free Perovskite Nanocrystals
    Yuhai Zhang, Jun Yin, Manas R. Parida , Ghada H. Ahmed, Jun Pan, Osman M. Bakr , Jean-Luc Brédas, Omar F. Mohammed
    J. Phys. Chem. Lett., 2017, 8, pp 3173–3177
perovskite, nanocrystal
  • Effect of Conjugation Length on Photoinduced Charge Transfer in π-Conjugated Oligomer-Acceptor Dyads
    Junlin Jiang, Amani Alsam, Shanshan Wang, Shawkat M. Aly, Zhenxing Pan, Omar F. Mohammed, Kirk S. Schanze
    J. Phys. Chem. A, Article ASAP​
Photoinduced Charge Transfer
  • Perovskite solar cells: Shedding light on film crystallization
    Osman M. Bakr and Omar F. Mohammed
    Nature Materials 16, 601–602 (2017)
Organic–inorganic nanostructures, Solar cells, Synthesis and processing
  • Spatiotemporal Observation of Electron-Impact Dynamics in Photovoltaic Materials Using 4D Electron Microscopy
    Basamat S. Shaheen, Jingya Sun, Ding-Shyue Yang, and Omar F. Mohammed
    J. Phys. Chem. Lett., 20178, pp 2455–2462
Photovoltaic materials, Surface dynamics, 4D electron microscopy, electron impact dynamics, energy loss, CdSe thin films
  • Thermochromic Perovskite Inks for Reversible Smart Window Applications
    Michele De Bastiani, Makhsud I. Saidaminov, Ibrahim Dursun, Lutfan Sinatra, Wei Peng, Ulrich Buttner, Omar F. Mohammed, Osman M. Bakr
    Chem. Mater., 2017, 29 (8), pp 3367–3370
perovskite, smart window, crystallization
  • Pyridine-induced Dimensionality Change in Hybrid Perovskite Nanocrystals
    Ghada H. Ahmed, Jun Yin, Riya Bose, Lutfan Sinatra, Erkki Alarousu, Emre Yengel, Noktan M. Alyami, Makhsud I. Saidaminov, Yuhai Zhang, Mohamed N. Hedhili, Osman M. Bakr, Jean-Luc Bredas, Omar F. Mohammed
    Chem. Mater., 201729 (10), pp 4393–4400​
nanocrystal growth, pyridine, DFT, nanostructure, optoelectronic
  • Powering up perovskite photoresponse
    Osman M. Bakr, Omar F. Mohammed
    Science Vol. 355, Issue 6331, pp. 1260-1261
2D perovskites, layer-edge states
  • Bane of Hydrogen-Bond Formation on the Photoinduced Charge-Transfer Process in Donor–Acceptor Systems
    Amani A. Alsam, Aniruddha Adhikari, Manas R. Parida, Shawkat M. Aly, Osman M. Bakr, Omar F. Mohammed
    J. Phys. Chem. C, 2017, 121 (14), pp 7837–7843
photoinduced charge transfer, donor–acceptor interfaces, hydrogen-bond
  • Ultrahigh Carrier Mobility Achieved in Photoresponsive Hybrid Perovskite Films via Coupling with Single-Walled Carbon Nanotubes
    Feng Li, Hong Wang, Dominik Kufer, Liangliang Liang, Weili Yu, Erkki Alarousu, Chun Ma, Yangyang Li, Zhixiong Liu, Changxu Liu, Nini Wei, Fei Wang, Lang Chen, Omar F. Mohammed, Andrea Fratalocchi, Xiaogang Liu, Gerasimos Konstantatos, Tom Wu
    Advanced Materials, (2017), Vol. 29, Issue 16
carbon nanotubes; mobility; perovskite; photodetectors; phototransistors
  • 2D Organic–Inorganic Hybrid Thin Films for Flexible UV–Visible Photodetectors
    Dhinesh Babu Velusamy, Md. Azimul Haque, Manas R. Parida, Fan Zhang, Tom Wu, Omar F. Mohammed, Husam N. Alshareef
    Advanced Functional Material, (2017), Vol. 27, Issue 15
2D materials; flexible photodetectors; graphitic carbon nitride; hybrid materials; MoS2
  • Amorphous Tin Oxide as a Low-Temperature-Processed Electron-Transport Layer for Organic and Hybrid Perovskite Solar Cells
    Jérémy Barbé, Max L. Tietze, Marios Neophytou, Banavoth Murali, Erkki Alarousu, Abdulrahman El Labban, Mutalifu Abulikemu, Wan Yue, Omar F. Mohammed, Iain McCulloch, Aram Amassian, Silvano Del Gobbo
    ACS Appl. Mater. Interfaces, 2017, 9 (13), pp 11828–11836​
chemical bath deposition; organic solar cells; perovskite solar cells; tin oxide electron-transport layer; ultraviolet photoelectron spectroscopy
  • Low-Dimensional-Networked Metal Halide Perovskites: The Next Big Thing
    Makhsud I. Saidaminov, Omar F. Mohammed, Osman M. Bakr
    ACS Energy Lett., 2017, 2, pp 889–896
perovskite, low-DN
  • The Surface of Hybrid Perovskite Crystals: A Boon or Bane
    Banavoth Murali, Emre Yengel, Chen Yang, Wei Peng, Erkki Alarousu, Osman M. Bakr, Omar F. Mohammed
    ACS Energy Lett., 2017, 2, pp 846–856​
perovskite, crystals, hybrid perovskite crystal
  • Zero-Dimensional Cs4PbBr6 Perovskite Nanocrystals
    Yuhai Zhang, Makhsud I. Saidaminov, Ibrahim Dursun, Haoze Yang, Banavoth Murali, Erkki Alarousu, Emre Yengel, Buthainah A. Alshankiti, Osman M. Bakr, and Omar F. Mohammed
    J. Phys. Chem. Lett., 2017, 8 (5), pp 961–965 
perovskite, nanocrystal
  • The impact of Au doping on the charge carrier dynamics at the interfaces between cationic porphyrin and silver nanoclusters
    Abdulkhaleq A. Almansaf, Manas R. Parida, Tabot M.D. Besong, Partha Maity, Megalamane S. Bootharaju, Osman M. Bakr, Omar F. Mohammed
    Chemical Physics Letters, In Press, Accepted Manuscript
Interfacial charge transfer; Nanoclusters; Intersystem crossing; Triplet state; Metal ion doping
  • Double Charged Surface Layers in Lead Halide Perovskite Crystals
    Smritakshi P. Sarmah, Victor M. Burlakov, Emre Yengel, Banavoth Murali, Erkki Alarousu, Ahmed M. El-Zohry, Chen Yang, Mohd S. Alias, Ayan A. Zhumekenov, Makhsud I. Saidaminov, Namchul Cho, Nimer Wehbe, Somak Mitra, Idris Ajia, Sukumar Dey, Ahmed E. Mansour, Maged Abdelsamie, Aram Amassian, Iman S. Roqan, Boon S. Ooi, Alain Goriely, Osman M. Bakr, and Omar F. Mohammed
    Nano Lett., 2017, 17 (3), pp 2021–2027 
defects; ion migration; lead halide perovskite crystal; Nanometer surface layers; one vs two-photon excitation
  • Doping-Induced Anisotropic Self-Assembly of Silver Icosahedra in [Pt2Ag23Cl7(PPh3)10] Nanoclusters
    Megalamane S. Bootharaju, Sergey M. Kozlov, Zhen Cao, Moussab Harb , Niladri Maity, Aleksander Shkurenko, Manas R. Parida, Mohamed N. Hedhili, Mohamed Eddaoudi, Omar F. Mohammed, Osman M. Bakr, Luigi Cavallo, and Jean-Marie Basset
    J. Am. Chem. Soc., 2017, 139 (3), pp 1053–1056
  • Inorganic Lead Halide Perovskite Single Crystals: Phase-Selective Low-Temperature Growth, Carrier Transport Properties, and Self-Powered Photodetection
    Makhsud I. Saidaminov, Md Azimul Haque, Jawaher Almutlaq, Smritakshi Sarmah, Xiao-He Miao, Raihana Begum, Ayan A. Zhumekenov, Ibrahim Dursun, Namchul Cho, Banavoth Murali, Omar F. Mohammed, Tom Wu, and Osman M. Bakr
    Advanced Optical Materials, 2017, Vol. 5, Issue 2
perovskite; photodetectors; self-powered
  • ​Temperature-Induced Lattice Relaxation of Perovskite Crystal Enhances Optoelectronic Properties and Solar Cell Performance
    Banavoth Murali, Emre Yengel, Wei Peng, Zhijie Chen, Mohd S. Alias, Erkki Alarousu, Boon S. Ooi, Victor Burlakov, Alain Goriely, Mohamed Eddaoudi, Osman M. Bakr, and Omar F. Mohammed
    J. Phys. Chem. Lett., 2017, 8, pp 137–143
perovskite, crystal, optoelectronic, solar cell
  • ​Synthesis and Optical Properties of a Dithiolate/Phosphine-Protected Au28 Nanocluster
    Maha A. Aljuhani, Megalamane S. Bootharaju, Lutfan Sinatra, Jean Marie Basset, Omar F. Mohammed, and Osman M. Bakr
    J. Phys. Chem. C, Just Accepted Manuscript
  • ​Four-dimensional Ultrafast Electron Microscopy: Insights into an Emerging Technique
    Aniruddha Adhikari, Jeffrey K. Eliason, Jingya Sun, Riya Bose, David J. Flannigan, and Omar F. Mohammed
    ACS Appl. Mater. Interfaces, 20179 (1), pp 3–16​
ultrafast electron microscopy, 4D-UEM
  • Engineering-Interfacial Charge Transfer in CsPbBr3 Perovskite Nanocrystals by Heterovalent Doping
    Raihana Begum, Manas R Parida, Ahmed L. Abdelhady, Banavoth Murali, Noktan Alyami, Ghada H. Ahmed, Mohamed Nejib Hedhili, Osman M. Bakr, and Omar F. Mohammed
    J. Am. Chem. Soc., 2017139 (2), pp 731–737​
charge transfer, nanocrystal, perovskite
  • Real-time observation of intersystem crossing induced by charge recombination during bimolecular electron transfer reactions
    Amani A. Alsam, Shawkat M. Aly, Manas R. Parida, Erkki Alarousu, Zhen Cao, Luigi Cavallo, and Omar F. Mohammed
    Dyes and Pigments, 2017, Vol. 136, pages 881-886
Bimolecular electron transfer; Charge recombination; Intersystem crossing; Triplet state; Pump-probe experiments