Zobrazeno 1 - 10
of 59
pro vyhledávání: '"Khalil Harrabi"'
Publikováno v:
Advances in Materials Science and Engineering, Vol 2015 (2015)
Externí odkaz:
https://doaj.org/article/c73b11a54dd2403187bb523942fb49d7
Publikováno v:
Advances in Materials Science and Engineering, Vol 2015 (2015)
The molecular structures and UV-visible absorption spectra of complex photosensitizers comprising oxadiazole isomers as the π-bridges were analyzed by density functional theory (DFT) and time-dependent DFT. The ground state and excited state oxidati
Externí odkaz:
https://doaj.org/article/9e63f9ea5ac34dc6be21766ebe7088a2
Publikováno v:
Advances in Materials Science and Engineering, Vol 2014 (2014)
Solar energy is an abundant and accessible source of renewable energy available on earth, and many types of photovoltaic (PV) devices like organic, inorganic, and hybrid cells have been developed to harness the energy. PV cells directly convert solar
Externí odkaz:
https://doaj.org/article/2bdc6a66a36940028164ab95615f49bd
Publikováno v:
Journal of Superconductivity and Novel Magnetism. 34:2531-2535
We have studied the characteristics of different metastable states in NbTi thin film deposited on sapphire substrate in a region very close to the transition temperature T $$_{c}$$ , which was estimated to be about 7.6 K in our sample. Localized diss
Autor:
Muhammad Younas, Khalil Harrabi
Publikováno v:
Solar Energy. 203:260-266
The aim of the reported study is to enhance the photovoltaic performance of a dye-sensitized solar cells (DSSCs) using co-sensitization approach and investigate how the concentration of an organic co-sensitizer influence the overall efficiency of the
Publikováno v:
Solar Energy. 188:1178-1188
In the present study, a new cost-effective and efficient configuration [n-MWCNT-TiO2/N3/MWCNT] of dye-sensitized solar cell (DSSC) is proposed and fabricated, where n-MWCNT-TiO2 is the nano composite of multiwall carbon nanotube (MWCNT), and titanium
Autor:
Fahad A. Al-Sulaiman, Mohammed A. Gondal, Z.H. Yamani, Muhammad Younas, Umer Mehmood, Khalil Harrabi
Publikováno v:
International Journal of Energy Research. 42:3957-3965
Autor:
Khalil Harrabi
Publikováno v:
Applied Physics A. 125
We report on the study of the transient voltage response of superconducting NbTi strips to an over-critical current pulse ($${I}> {I}_\mathrm{c}$$, where $${I}_\mathrm{c}$$ is the pair-breaking current). In this experiment, a localized normal spot ap
Autor:
A. Mekki, Ibnelwaleed A. Hussein, Martyn A. McLachlan, M. Mekki, Khalil Harrabi, Umer Mehmood, Nagendiran Shanmugam
Publikováno v:
Polymer Bulletin. 76:525-537
The objective of this study is to investigate the stability of the active layer of polymer solar cells from the effect of UV–visible light irradiation using different conditions with respect to time. The active layers were composed of poly(3-hexylt
Publikováno v:
Physica C: Superconductivity and its Applications. 589:1353933
We have investigated the dynamics of dissipative states in NbTi superconducting thin films using electrical step pulse excitations on a sapphire substrate close to T c . Excitation of a superconducting wire with a current pulse larger than the depair