THERMAL STABILITY INVESTIGATION OF DECORATED MULTI WALL CARBON NANO TUBES (MWCNT) WITH TIO2 NANOPARTICLES

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ABBASI SEDIGHEH; ZEBARJAD SEYED MOJTABA; Noie Baghban Seyed Hossein; YOUSEFI ABAS

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Seminar Paper

Paper Information

Seminar: CONFERENCE ON PROCESS, OIL, GAS, REFINING AND AND PETROCHEMICAL ENGINEERING
Year:2015 | Issue:4

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Title

THERMAL STABILITY INVESTIGATION OF DECORATED MULTI WALL CARBON NANO TUBES (MWCNT) WITH TIO2 NANOPARTICLES

Author(s)

ABBASI SEDIGHEH | ZEBARJAD SEYED MOJTABA | Noie Baghban Seyed Hossein | YOUSEFI ABAS

Keywords

PHYSICAL BEHAVIOR

MWCNT

TIO2

THERMAL STABILITY

Abstract

THE AIM OF THE CURRENT RESEARCH IS CONCENTRATED ON THE MODIFICATION OF MULTI-WALLED CARBON NANOTUBES (MWCNT) USING TIO2 NANOPARTICLES AT RUTILE PHASE. IN ORDER TO ELUCIDATE THE ROLE OF TIO2 CONTENT ON PHOTO CATALYST BEHAVIOR OF MWCNTS, THE HYBRIDS WERE PREPARED WITH DIFFERENT AMOUNTS OF TIO2 NANOPARTICLES. THE OPENING AND FUNCTIONALIZATION OF MWCNTS WERE CARRIED OUT BY OXIDATION WITH NITRIC ACID SOLUTION. THE SAMPLES WERE CHARACTERIZED BY FOURIER TRANSFORM INFRARED (FT-IR) SPECTROSCOPY, TRANSMISSION ELECTRON MICROSCOPY (TEM), AND THERMO GRAVIMETRIC ANALYSIS (TGA). FTIR RESULTS SHOW THAT FUNCTIONAL GROUPS SUCH AS CARBOXYLIC AND HYDROXYL GROUPS HAVE BEEN SUCCESSFULLY ATTACHED TO THE SURFACE OF NANOTUBES AFTER ACID TREATMENT. THE ATTACHING THESE OXYGEN CONTAINING GROUPS LEAD TO EASY DISPERSION OF CNTS IN POLAR SOLUTION. TEM RESULTS OF OXIDIZED MWCNTS ILLUSTRATED OPENING OF MWCNTS AT THE END TIPS. THE MICROGRAPHS TAKEN FROM THE MODIFIED CARBON NANOTUBES PROVE THAT THE SURFACE OF MWCNTS IS DECORATED WITH NANO-SIZED TIO2. THE TEM RESULTS REVEALED THAT THE AVERAGE SIZE OF TIO2 NANOPARTICLES WHICH MODIFIED MWCNTS WERE 20NM. TGA RESULTS CONFERMED THAT THERE WAS NO OBVIOUS WEIGHT LOSS BETWEEN 300 AND 400OC, THEREFORE THERE IS NO AMORPHOUS CARBONS IN THE RAW SAMPLES THE RESULTS OBTAINED FROM THERMAL BEHAVIOR OF MODIFIED CNTS REVEALED THAT THE HYBRID WITH HIGHEST AMOUNT OF TIO2 HAD THE HIGHER TEMPERATURE OF DECOMPOSITION.

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APA: Copy

ABBASI, SEDIGHEH, ZEBARJAD, SEYED MOJTABA, Noie Baghban, Seyed Hossein, & YOUSEFI, ABAS. (2015). THERMAL STABILITY INVESTIGATION OF DECORATED MULTI WALL CARBON NANO TUBES (MWCNT) WITH TIO₂ NANOPARTICLES. CONFERENCE ON PROCESS, OIL, GAS, REFINING AND AND PETROCHEMICAL ENGINEERING. SID. https://sid.ir/paper/919966/en

Vancouver: Copy

ABBASI SEDIGHEH, ZEBARJAD SEYED MOJTABA, Noie Baghban Seyed Hossein, YOUSEFI ABAS. THERMAL STABILITY INVESTIGATION OF DECORATED MULTI WALL CARBON NANO TUBES (MWCNT) WITH TIO₂ NANOPARTICLES. 2015. Available from: https://sid.ir/paper/919966/en

IEEE: Copy

SEDIGHEH ABBASI, SEYED MOJTABA ZEBARJAD, Seyed Hossein Noie Baghban, and ABAS YOUSEFI, “THERMAL STABILITY INVESTIGATION OF DECORATED MULTI WALL CARBON NANO TUBES (MWCNT) WITH TIO₂ NANOPARTICLES,” presented at the CONFERENCE ON PROCESS, OIL, GAS, REFINING AND AND PETROCHEMICAL ENGINEERING. 2015, [Online]. Available: https://sid.ir/paper/919966/en

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