Results 1 to 10 of about 713,946 (150)

Interfacial Energetic Level Mapping and Nano-Ordering of Small Molecule/Fullerene Organic Solar Cells by Scanning Tunneling Microscopy and Spectroscopy

Nanomaterials, 2020
Using scanning tunneling microscopy (STM) and spectroscopy (STS) at the liquid/solid interface, morphology evolution process and energetic level alignment of very thin solid films (thickness: <700 pm), of the low molecular weight molecule DRCN5T and ...
Irving Caballero-Quintana, Daniel Romero-Borja, José-Luis Maldonado, Juan Nicasio-Collazo, Olivia Amargós-Reyes, Antonio Jiménez-González   +5 more
doaj   +1 more source

Broadband, wide-incident-angle, and polarization-insensitive high-efficiency absorption of monolayer graphene with nearly 100% modulation depth at communication wavelength

Results in Physics, 2022
We theoretically study how to greatly improve the near-infrared light absorption of monolayer graphene through the excitation of magnetic resonance in metamaterials.
Jing Chen, Mingxi Zhang, Ping Gu, Zhendong Yan, Chaojun Tang, Bin Lv, Xiangxian Wang, Zao Yi, Mingwei Zhu   +8 more
doaj   +1 more source

Optimization of the photocatalytic degradation process of aromatic organic compounds applied to mangrove sediment

Heliyon, 2020
Polycyclic aromatic hydrocarbons (PAHs) are part of a class of organic compounds resistant to natural degradation. In this way, heterogeneous photocatalysis becomes useful to degrade persistent organic pollutants, however it can be influenced by ...
Marcio J. Silva, Sarah A.R. Soares, Ingrid D.F. Santos, Iuri M. Pepe, Leandro R. Teixeira, Lucas G. Pereira, Lucas B.A. Silva, Joil J. Celino   +7 more
doaj   +1 more source

Study of Methyl Orange Effect on the Optical and Electrical Properties of Polystyrene (PS) [PDF]

Engineering and Technology Journal, 2014
The present work was concerned with study of the methyl orange(MO) dye concentration effect on the optical properties ,and electrical properties of polystyrene(PS).
Karrar M. Ali, Nahida J.H
doaj   +1 more source

Study of the Optical Constants of the PMMA/PC Blends [PDF]

Engineering and Technology Journal, 2011
The aim of the present work is concerned with the study of the optical constants of the PMMA/PC blend at different concentrations. The samples are casted as films from the PMMA and PC homopolymers and blend.
Marwa. R. F, Nahida. J. H
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Efficient OLEDs Fabricated by Solution Process Based on Carbazole and Thienopyrrolediones Derivatives

Molecules, 2018
Four low molecular weight compounds—three of them new, two of them with carbazole (Cz) as functional group and the other two with thienopyrroledione (TPD) group—were used as emitting materials in organic light emitting diodes (OLEDs).
Luis-Abraham Lozano-Hernández, José-Luis Maldonado, Cesar Garcias-Morales, Arian Espinosa Roa, Oracio Barbosa-García, Mario Rodríguez, Enrique Pérez-Gutiérrez   +6 more
doaj   +1 more source

γ-Irradiation Effect on the Optical Constants, and the Electric Loss of PM-355 [PDF]

Engineering and Technology Journal, 2014
The optical reflection, transmission, and UV/VIS- absorption spectra had been recorded in the wavelength(200-500nm) for PM-355 before and after irradiation with γ-ray irradiation by using 60Co-dose within range of(30-160Mrad) at normal conditions.
Nahida J.H Al-Mashhada
doaj   +1 more source

First-principles study for physical properties and stability of Li based chalcopyrite semiconductors: Reliable for green energy sources

Фізика і хімія твердого тіла, 2022
In this research study, we have been performed the first principles calculation for physical properties likewise structural, electronic, optical and mechanical properties of the lithium gallium chalcopyrites LiGaX2 (X= S, Se).
J. Kumari, C. Singh, B.L. Choudhary, A.S. Verma   +3 more
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Small Molecules Derived from Thieno[3,4-c]pyrrole-4,6-dione (TPD) and Their Use in Solution Processed Organic Solar Cells

Molecules, 2017
In this work, microwave synthesis, chemical, optical and electrochemical characterization of three small organic molecules, TPA-TPD, TPA-PT-TPD and TPA-TT-TPD with donor-acceptor structure and their use in organic photovoltaic cells are reported. For the
Cesar Garcias-Morales, Daniel Romero-Borja, José-Luis Maldonado, Arián E. Roa, Mario Rodríguez, J. Pablo García-Merinos, Armando Ariza-Castolo   +6 more
doaj   +1 more source

A Comprehensive Review on Study Methods of Aerosol Optical Properties in Different Dimensions

IEEE Access, 2023
A comprehensive understanding of the optical properties of atmospheric aerosol is essential for a variety of applications, such as optical imaging, optical communication, and remote sensing. In recent years, many theories and numerical simulation methods
Yu Liu, Jianhua Huang, Feng Huang
doaj   +1 more source