UPSI Digital Repository (UDRep)
|
UPSI Digital Repository (UDRep)
|
|
|
| Total records found : 5 |
| Simplified search suggestions : Mohamad Saufi Rosmi |
| 1 | 2017 thesis | Engineering of transition metal-assisted graphene and carbon nanotubes formation in transmission electron microscopy Mohamad Saufi Rosmi Carbon-based advanced nanomaterials are important for the devices of next generation, such as in field effect transistors, sensors, nanoelectronics, nanocomposites and flexible displays. In recent years, one-dimensional carbon nanotubes (CNTs) and two-dimensional graphene have become new members of the carbon family. They are ideal model materials for low-dimensional sciences, and are regarded as the key materials for future nanoscience and nanotechnology. For the device applications, their controllable synthesis and position control should be indispensable. In this thesis, these issues are challenged by dynamically observing their formation process in atomic dimension inside transmission electron microscopy (TEM). For the in-situ TEM dynamical observation, the sample preparation is a key factor. Firstly, platinum (Pt)-, palladium (Pd)- and cobalt (Co)-included amorphous carbon nanofibers (CNFs) as well as pristine (pure) CNFs were fabricated on the edges of graphite foil by argon (Ar+..... 647 hits |
| 2 | 2017 article | Transfer free graphene growth on SiO2 substrate at 250 °C Vishwakarma Riteshkumar, Rosmi Mohamad Saufi, Takahashi Kazunari, Wakamatsu Yuji, Yaakob Yazid, Ibrahim Araby Mona, Kalita, Golap, Kitazawa Masashi, T 729 hits |
| 3 | 2017 article | Electrical enhancement of radiation-vulcanized natural rubber latex added with reduced graphene oxide additives for supercapacitor electrodes Abu Bakar Suriani, md disa Nurhafizah, Mohamed Azmi, Masrom A. K., Mamat M. H., Ahmad Mohd Khairul, Rosmi Mohamad Saufi, Tanemura M., 3003 hits |
| 4 | 2017 article | Carbon as amorphous shell and interstitial dopant in mesoporous rutile TiO2: bio-template assisted sol-gel synthesis and photocatalytic activity Mohamed Mohamad Azuwa, Wan Salleh Wan Norharyati, Jaafar Juhana, Rosmi Mohamad Saufi, Mohd. Hir Zul Adlan, Abd Mutalib Muhazri, Ismail Ahmad Fauzi, Ta 2912 hits |
| 5 | 2019 article | Enhancement of visible light photocatalytic hydrogen evolution by bio-mimetic C-doped graphitic carbon nitride Mohamad Saufi Rosmi Bio-mimetic C-doped graphitic carbon nitride (g-C3N4) with mesoporous microtubular structure has been prepared by a simple chemical wet bio-template impregnation approach (direct impregnation and hydrothermal impregnation) using urea as a precursor and kapok fibre as bio-template and in-situ carbon dopant. Our finding indicated that the hydrothermal impregnation had induced more in-situ C-doping in g-C3N4 as compared to the direct impregnation approach. The introduction of in-situ C doping in the g-C3N4 and the mesoporous microtubular structure remarkably enhanced light-harvesting capability up to near infrared regions. The photocurrent measurement and electrochemical impedance spectroscopy (EIS) analysis suggested that the bio-template C-doped g-C3N4 exhibits a superior photoinduced electron-hole pairs separation ef?ciency due to C doping and mesoporous microtubular structure significantly promotes excellent conductivity and electron redistribution in the sample. C-doped graphitic car..... 494 hits |
