M
Muhammad Hassan Sayyad
Researcher at Ghulam Ishaq Khan Institute of Engineering Sciences and Technology
Publications - 96
Citations - 1390
Muhammad Hassan Sayyad is an academic researcher from Ghulam Ishaq Khan Institute of Engineering Sciences and Technology. The author has contributed to research in topics: Thin film & Dye-sensitized solar cell. The author has an hindex of 20, co-authored 93 publications receiving 1200 citations. Previous affiliations of Muhammad Hassan Sayyad include Dublin City University.
Papers
More filters
Proceedings ArticleDOI
Spectroscopic studies of different brands of cigarettes using laser‐induced breakdown spectroscopy
TL;DR: In this article, the technique of laser-induced breakdown spectroscopy (LIBS) has been used for the elemental analysis of cigarettes for this purpose emission spectra have been measured of eleven different kinds of cigarette brands sold and/or produced in Pakistan Analysis of the spectral peaks observed shows that Na, Mg, Al, K, Ca, Cr, Fe, Sr and Ba are contained in all brands
Journal ArticleDOI
Impact of drying temperature on the photovoltaic performance and impedance spectra of hole transport material free air processed perovskite solar cells
Ifra Sardar,Muhammad Hassan Sayyad,Syeda Ramsha Ali,Mehreen Akhtar,Syed Afaq Ali Shah,Zhongyi Guo,Zhongyi Guo +6 more
TL;DR: In this paper, hole transport material free (HTM-free) glass/FTO/c-TiO2/m -TiO 2/m-Ti O 2 /m-ZrO 2 and carbon electrode based perovskite solar cells are fabricated and the effect of prevoskite drying temperature on the photovoltaic performance and impedance spectra of these devices is studied by varying temperature from 50 to 70°C.
Journal ArticleDOI
Amplified spontaneous emission and optical gain characteristics of sexithiophene single crystals
Muhammad Tahir,Muhammad Tahir,Muhammad Hassan Sayyad,Suhana Mohd Said,Mohd Faizul Mohd Sabri,Mahidur R. Sarker +5 more
TL;DR: In this paper, a single crystal thiophene/phenylene co-polymer 5,5ʺʺ'-diphenyl-2,2′:5′,2ʺ:5´,2´)-sexithiophene (P6T) was reported to demonstrate high charge carriers' mobility and large photoluminescence quantum efficiency (PLQE).
Journal ArticleDOI
Van der Waals Epitaxial Growth for High Performance Organic‐Free Perovskite Solar Cell: Experimental and Theoretical Insights
Muhammad Bilal Faheem,Bilawal Khan,Chao Feng,Waqas Siddique Subhani,Sally Mabrouk,Muhammad Hassan Sayyad,Abdullah Yildiz,Wenhua Zhang,Quinn Qiao +8 more
TL;DR: In this paper , a synergistic approach of liquid-exfoliated molybdenum disulfide (MoS2) at the active layer (PAL) interface to enhance the perovskite grain growth and stabilize the hole transport layer (HTL)/PAL interface against the carrier recombination within the PAL bulk and at the interface is reported.
Journal Article
Investigation of the Electronic Properties of Au/methyl-red/Ag Surface type Schottky Diode by Current-Voltage Method
TL;DR: In this article, fabrication and study of electronic properties of Au/methyl-red/Ag surface type Schottky diode by currentvoltage (I-V) method has been reported.