INTRODUCTION: SINGLE WALL CARBON NANOTUBE (SWCNT) BUNDLES HAVE BEEN RECOGNIZED AS A HIGH PROMISING CHOICES TO OVERCOME INTERCONNECTS PERFORMANCE AND RELIABILITY CHALLENGES IN THE FUTURE INTEGRATED CIRCUITS [1]. DUE TO UNIQUE ELECTRICAL AND MECHANICAL PROPERTIES OF CNTS ESPECIALLY THEIR METALLIC SINGLE WALL TYPE [2] RESEARCHERS HAVE PRODUCED A LOT OF LITERATURE IN THE FIELDS OF MODELING, FABRICATION, AND PERFORMANCE ANALYSIS OF THIS NEW MATERIAL IN THE INTERCONNECT APPLICATION.NEVERTHELESS, SOME ISSUES STILL EXIST IN ELECTRICAL MODELING OF THE BUNDLES. ESPECIALLY, SWCNT BUNDLE MAGNETIC INDUCTANCE MODELING AS WELL AS ITS COMPARISON WITH THE KINETIC INDUCTANCE HAS PASSED THROUGH AN UNEVEN WAY THAT MAKES ITS DEMYSTIFICATION AND ANALYSIS STILL NECESSARY.

BACKGROUND: CARBON NANOTUBES (CNTS), WITH THEIR UNIQUE PHYSIOCHEMICAL PROPERTIES, HAVEMADE RAPID ADVANCEMENTS IN NANOTECHNOLOGY, ENCOMPASSING BROAD AND DIVERSE AREAS OF APPLICATION OF WHICH THE USE OF CNTS AS NANOCARRIERS IN DRUG DELIVERY IS AN EMERGENT TOPIC. THE NANODIMENSION OF CNT IN ADDITION TO ITS UNIQUE ELECTRONIC STRUCTURE (RESEMBLING THAT OF A ROLLED UP GRAPHENE SHEET) MAKES THIS CLASS OF NANOMATERIAL HIGHLY UNUSUAL IN ITS ELECTRONIC PROPERTIES WITH APPLICATIONS IN CATALYSIS, STORAGE DEVICES AS SENSORS NANOELECTRONICS FIELD EFFECT TRANSISTORS (FET) DEVICES AND BIOSENSORS [1]. WE HAVE SYSTEMATICALLY INVESTIGATED THE NONCOVALENT ADSORPTION OF CISPLATIN (ANTI-CANCER DRUG) ONTO A (5, 5) SINGLE-WALLED CARBON NANOTUBE IN SOLUTION PHASE...

INTRODUCTION RECENTLY, NANOTUBES/POLYMER NANO-COMPOSITES HAVE BEEN CONSIDERED ATTENTION BECAUSE OF NOTICEABLE THERMAL AND MECHANICAL PROPERTIES THAT THEY REPRESENT WITH REGARD TO CONVENTIONAL POLYMER COMPOSITIONS [1]. ALSO, AFTER THE DISCOVERY OF CARBON NANOTUBES (CNTS) [2], IT HAS FOUND THEIR SPECIFIC PROPERTIES SUCH AS THERMAL AND MECHANICAL BEHAVIOR AND REMARKABLE STRUCTURAL, THE CNTS ARE ATTENDED AS INVALUABLE REINFORCEMENTS FOR IMPROVEMENT OF CHEMICAL AND PHYSICAL STRUCTURAL AND MULTI-FUNCTIONAL COMPOSITES PROPERTIES [3-4]. IN THIS STUDY, USING MD AS A COMPUTATIONAL TOOL, WE CAN PRODUCE A NANO-COMPOSITE WITH SINGLE-WALLED CARBON NANOTUBE (SWCNT) EMBEDDED IN POLYETHYLENE MATRIX TO INVESTIGATE THE THERMAL PROPERTIES OF IT. IT HELPS US TO ACHIEVE A METHOD TO PREDICT NEW LOW-COST MATERIALS PRODUCTION. IN THIS CONTRIBUTION, WE DESCRIBE A MD PROCEDURE FOR SWCNT/POLYETHYLENE NANO-COMPOSITE GENERATIONS IN SECTION OF COMPUTATIONAL DETAILS AND IN THE LAST SECTION, WE PRESENT THE OBTAINED DATA AND EXHIBIT THE RESULTS AND DISCUSSION.

BACKGROUND: CARBON NANOTUBES (CNTS), WITH THEIR UNIQUE PHYSIOCHEMICAL PROPERTIES, HAVE MADE RAPID ADVANCEMENTS IN NANOTECHNOLOGY, ENCOMPASSING BROAD AND DIVERSE AREAS OF APPLICATION OF WHICH THE USE OF CNTS AS NANO CARRIERS IN DRUG DELIVERY IS AN EMERGENT TOPIC. …

WE EMPLOYED THE MOLECULAR DYNAMICS SIMULATION TO EXAMINE THE HEATING AND COOLING PROCESSES OF (AGX-PD1-X)256 BIMETALLIC NANOCLUSTERS SUPPORTED ON SINGLE WALLED CARBON NANOTUBE (SWCNT) WITH DIFFERENT CONCENTRATIONS (X = 0, 0.25, 0.5, 0.75, 1) IN TEMPERATURE RANGE OF 200-1600K. THE MELTING TEMPERATURE OF NANOCLUSTERS WAS FOUND BY USING SEVERAL METHODS, SUCH AS POTENTIAL CURVES AND SPECIAL HEAT CAPACITY. ALSO THE MELTING POINTS WERE CONFIRMED BY DEFORMATION PARAMETERS, RADIAL DISTRIBUTION FUNCTION, DENSITY PROFILE AND SELF-DIFFUSION COEFFICIENT. WE OBSERVED THE HYSTERESIS IN POTENTIAL CURVES OF HEATING AND COOLING THAT INCREASED FOR BIMETALLIC NANOCLUSTERS. ...

POLY (HIGH INTERNAL PHASE EMULSION) /SINGLE WALL CARBON NANOTUBES (POLYHIPE/SWCNT) NANOCOMPOSITE FOAMS WERE SUCCESSFULLY SYNTHESIZED BY EMULSION TEMPLATING (FIG.1). THE SURFACE OF POLYHIPE WALLS WAS COATED WITH A THIN LAYER OF POLYPYRROLE (PPY). THE ELECTROMAGNETIC INTERFERENCE SHIELDING PROPERTIES OF THE NANOCOMPOSITE AND HYBRID FOAMS WERE INVESTIGATED. THE SWCNTS INCORPORATED INTO HIPES IMPARTED SHIELDING PROPERTIES TO THE NANOCOMPOSITE FOAMS. MOREOVER, THE THIN LAYER OF PPY ON POLYHIPE/SWCNT WALLS ENHANCED THE ELECTRICAL CONDUCTIVITY OF THE HYBRID FOAMS. THE FOAM LACKING SWCNTS SHOWED A RELATIVELY LOW PERMITTIVITY CLOSE TO AIR. AS EXPECTED, THE PERMITTIVITY INCREASED WITH INCREASING THE SWCNT CONTENT. THE SHIELDING EFFECTIVENESS (SE) OF NANOCOMPOSITE FOAMS CONTAINING 0.3 AND 1 WT% SWCNTS INCREASED FROM 0.074 TO 0.244 AND 2.06 DB, RESPECTIVELY. THE HYBRID FOAMS CONTAINING 0.3 AND 1 WT% SCWNT SHOWED A RELATIVE PERMITTIVITY OF 25.68 AND 46.75 WITH A SE OF 16.84 AND 21.6 DB, RESPECTIVELY. THE THIN LAYER OF PPY ON POLYHIPE/SWCNT WALLS RESULTED IN AN ELECTRICALLY PERCOLATIVE NETWORK WITH IMPROVED SHIELDING PROPERTIES. THE ENHANCED SE OF HYBRID FOAMS CAN BE ATTRIBUTED TO THE CONDUCTING PPY BRIDGES BETWEEN ADJACENT SWCNTS [1].APPROXIMATELY 99% OF THE INCIDENT WAVE WAS ABSORBED OR RE-REFLECTED BY THE HYBRID FOAM AND ONLY A SMALL PORTION OF THE ELECTROMAGNETIC WAVE WAS TRANSMITTED. ACCORDINGLY, THE HYBRID POLY HIPE FOAMS CAN BE USED FOR APPLICATIONS REQUIRING LOW TRANSMISSION OF ELECTROMAGNETIC WAVES.

SILICA AEROGEL-SINGLE WALL CARBON NANO TUBE (SWCNT) NANO COMPOSITES WERE SYNTHESIZED WITH A WATER GLASS PRECURSOR. SWCNTS WERE USED AS REINFORCEMENTS TO IMPROVE THE MECHANICAL PROPERTIES OF PURE SILICA AEROGELS. THE RESULT SHOWS THAT BY ADDING SWCNTS TO SILICA AEROGEL, THE SPECIFIC AREA OF PREPARED NANO COMPOSITE INCREASES UP TO 825 M2G-1. FURTHERMORE, EXCELLENT ADSORPTION PROPERTIES FOR THE REMOVAL OF TOLUENE HAVE BEEN OBSERVED FOR THE SILICA AEROGELS AND NANO COMPOSITE. BY USING NANO COMPOSITE STRUCTURE, THE AMOUNT OF ADSORPTION FOR TOLUENE INCREASED FROM 56.71 TO 58.72. THE ADSORPTION ISOTHERM REPRESENT THAT SYNTHESIZED ADSORBENTS COMPLY THE FREUNDLICH ISOTHERM EQUATION. THE FESEM IMAGES INDICATED THE AGING OF NANO TUBES ON THE SILICA AEROGEL AND INCREASE IN THE TOTAL VOLUME OF THE PORES IN PREPARED NANO COMPOSITE.