2019

Tuning Hot Carrier Cooling Dynamics by Dielectric Confinement in Two-Dimensional Hybrid Perovskite Crystals

Year: 2019 DOI:10.1021/acsnano.9b04085 / ACS Nano, 13, 12621–12629 (2019)

Authors: Jun Yin, Partha Maity, Rounak Naphade, Bin Cheng, Jr-Hau He, Osman M. Bakr, Jean-Luc Brédas, Omar F. Mohammed

2D Hybrid Perovskites
Dielectric confinement
Hot carrier cooling
Nonadiabatic molecular dynamics
Electron−phonon coupling

MAPbI3 Single Crystals Free from Hole-Trapping Centers for Enhanced Photodetectivity

Year: 2019 DOI:10.1021/acsenergylett.9b01956 / ACS Energy Letters, 4, 2579–2584 (2019)

Authors: Chen Yang, Jehad K. El-Demellawi, Dhinesh Babu Velusamy, Abdul-Hamid M. Emwas, Ahmed M. El-Zohry, Issam Gereige, Ahmed AlSaggaf, Osman M. Bakr, Husam N. Alshareef, Omar F. Mohammed

Enhanced Photodetectivity

Extraordinary Carrier Diffusion on CdTe Surfaces Uncovered by 4D Electron Microscopy

Year: 2019 DOI:10.1016/j.chempr.2018.12.020 / Chem, 5, 497-499 (2019)

Authors: Ahmed M.El-Zohry, Basamat S.Shaheen, Victor M.Burlakov, Jun Yin, Mohamed N.Hedhili, Semen Shikin, Boon Ooi, Osman M.Bakr, Omar F.Mohammed

Ultrafast electron imaging
Crystal orientation
Surface dynamics
Renewable energy materials
Oxidation layers
Neat-surfaces
DFT calculations
Real-space imaging
Surface termination

Single-Crystal MAPbI3 Perovskite Solar Cells Exceeding 21% Power Conversion Efficiency

Year: 2019 DOI:10.1021/acsenergylett.9b00847 / ACS Energy Letters, 4, 1258–1259 (2019)

Authors: Zhaolai Chen, Bekir Turedi, Abdullah Y. Alsalloum, Chen Yang, Xiaopeng Zheng, Issam Gereige, Ahmed AlSaggaf, Omar F. Mohammed, Osman M. Bakr

Single-Crystal MAPbI3 Perovskite Solar Cells

Metal Halide Perovskite and Phosphorus Doped g-C3N4 Bulk Heterojunctions for Air-Stable Photodetectors

Year: 2019 DOI:10.1021/acsenergylett.9b01339 / ACS Nano, 13, 2520–2525 (2019)

Authors: Zhixiong Liu, Yunpei Zhu, Jehad K. El-Demellawi, Dhinesh Babu Velusamy, Ahmed M. El-Zohry, Osman M. Bakr, Omar F. Mohammed, Husam N. Alshareef

Metal Halide Perovskite

Visualization of Charge Carrier Trapping in Silicon at the Atomic Surface Level Using Four-Dimensional Electron Imaging

Year: 2019 DOI:10.1021/acs.jpclett.9b00598 /Journal of Physical Chemistry Letters, 10, 1960–1966 (2019)

Authors: Basamat S. Shaheen, Ahmed M. El-Zohry, Jun Yin, Michele De Bastiani, Stefaan De Wolf, Osman M. Bakr, Omar F. Mohammed

Charge carrier
Four-dimensional electron imaging

Unlocking the Effect of Trivalent Metal Doping in All-Inorganic CsPbBr3 Perovskite

Year: 2019 DOI:10.1021/acsenergylett.9b00209 / ACS Energy Letters, 4, 789–795 (2019)

Authors: Jun Yin, Ghada H. Ahmed, Osman M. Bakr, Jean-Luc Brédas, Omar F. Mohammed

Trivalent Metal
Metal-ion doping

Why are Hot Holes Easier to Extract than Hot Electrons from Methylammonium Lead Iodide Perovskite?

Year: 2019 DOI:10.1002/aenm.201900084 / Advanced Energy Materials, 9, 1900084 (2019)

Authors: Ibrahim Dursun, Partha Maity, Jun Yin, Bekir Turedi, Ayan A. Zhumekenov, Kwang Jae Lee, Omar F. Mohammed, Osman M. Bakr

Carrier extraction
Carrier temperature
Density functional theory
Halide perovskites
Hot carriers

Compositional, Processing, and Interfacial Engineering of Nanocrystal- and Quantum-Dot-Based Perovskite Solar Cells

Year: 2019 DOI:10.1021/acs.chemmater.9b01268 / Chemistry of Materials, 31, 6387–6411 (2019)

Authors: Ala’a O. El-Ballouli, Osman M. Bakr, Omar F. Mohammed

Perovskite solar cells

Unprecedented Ultralow Detection Limit of Amines using a Thiadiazole-Functionalized Zr(IV)-Based Metal–Organic Framework

Year: 2019 DOI:10.1021/jacs.9b01839 /Journal of the American Chemical Society, 141, 7245–7249 (2019)

Authors: Arijit Mallick, Ahmed M. El-Zohry, Osama Shekhah, Jun Yin, Jiangtao Jia, Himanshu Aggarwal, Abdul-Hamid Emwas, Omar F. Mohammed, Mohamed Eddaoudi

Amines
Density functional theory

2019

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