Characterization of molecular scale electronic devices generally involves deposition of a metal top electrode onto an organic film. During the evaporation process, high-energy granules of metals may lead to unwanted reactions between the organic molecules and deposited top electrodes. This can cause, as commonly reported, lasting damage which leaves most junctions either shorted or an open circ...

The processes at the interface between ionic liquids (ILs) and metals are a key factor for understanding especially in electrochemical deposition, nanoscale tribology applications batteries. In present work, interfaces of 1-butyl-1-methylpyrrolidinium bis(trifluoromethylsulfonyl)imide ([Py1,4]TFSI) 1-ethyl-3-methylimidazolium ([EMIm]TFSI) platinum aluminum were investigated by depositing thin I...

The current applications of electronic devices are converging towards a global interconnection along with portability and compactness. This scenario implies the development of electronic components more and more small, fast, energy efficient and smart as well. The microelectronics industry faces these needs by both scaling and adding novel functions in integrated circuits. By going on such a tr...

Wearable bioelectronics with emphasis on the research and development of advanced person-oriented biomedical devices have attracted immense interest in past decade. Scientists clinicians find it essential to utilize skin-worn smart tattoos for on-demand ambulatory monitoring an individual’s vital signs. Here, we report ultrathin platinum-based two-dimensional dichalcogenide (Pt-TMDs)-based elec...

background: the problem of bone defects during treatments of bone lesions, especially cranial trauma, and also during craniotomy operations indicates isolation of osteoblasts and culturing them for filling these bone effects. methods: bone tissue specimens were obtained from 6 patients’ carvaria undergoing craniotomy surgery operations in al-zahra teaching hospital and transferred to lab. these...

Platinum is relatively reactive, compared to silver and copper, which prompted us study the growth structure of a thin insulating layer on Pt(111). We grew monolayer islands NaCl studied them with scanning tunneling microscopy (STM) atomic force (AFM). STM images revealed square lattice we confirmed, via density functional theory (DFT) calculations, be Cl anions, similar other surfaces. Surpris...

The methanol oxidation reaction is studied at the single nanoparticle scale under aqueous alkaline conditions. Upon impacting a potentiostated electrode and after ≤ 1 ms steady-state limited catalytic current induced to occur platinum (nominal diameter 50 nm); magnitude of close that seen for both larger arrays nanoparticles polycrystalline ‘bulk’ material suggesting entity activity preserved i...

An ultrasensitive electrochemical immunosensor for the detection of tumor marker human chorionic gonadotropin (hCG) was developed with a limit of detection as low as 2 pg mL-1 in phosphate buffer. The Platinum nanoparticles (PtNPs) were electrodeposited to modify the gold surface and to increase enlarging the electrochemically active sites, resulting in the facilitation of electron exchange. Cy...

Two-dimensional (2D) palladium ditelluride (PdTe2) and platinum (PtTe2) are two Dirac semimetals which demonstrate fascinating quantum properties such as superconductivity, magnetism topological order, illustrating promising applications in future nanoelectronics optoelectronics. However, the synthesis of their monolayers is dramatically hindered by strong interlayer coupling orbital hybridizat...

Platinum extraction from spent reforming catalysts in iodine solutions under atmospheric pressure at different temperatures, acid concentration, and iodine spices concentration, catalyst particle size, and impeller agitation speed have been studied in our group. In this system, platinum is oxidized from spent catalyst with I3¯ that is formed ...