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Study of gas adsorption on as-produc...

Rawat, Dinesh Singh.

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Study of gas adsorption on as-produced and modified carbon nanotubes.

Record Type:	Language materials, printed : Monograph/item
Title/Author:	Study of gas adsorption on as-produced and modified carbon nanotubes./
Author:	Rawat, Dinesh Singh.
Description:	131 p.
Notes:	Source: Dissertation Abstracts International, Volume: 71-11, Section: B, page: 6832.
Contained By:	Dissertation Abstracts International71-11B.
Subject:	Nanoscience. -
Online resource:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=3426680
ISBN:	9781124287485

Study of gas adsorption on as-produced and modified carbon nanotubes.
Rawat, Dinesh Singh.

Study of gas adsorption on as-produced and modified carbon nanotubes. - 131 p.

Source: Dissertation Abstracts International, Volume: 71-11, Section: B, page: 6832.

Thesis (Ph.D.)--Southern Illinois University at Carbondale, 2010.

Volumetric adsorption isotherm measurements were used to study the adsorption characteristics of Ethane (C2H6) and Butane (C 4H10) on as-produced single-walled carbon nanotubes.

ISBN: 9781124287485Subjects--Topical Terms:

587832
Nanoscience.

Study of gas adsorption on as-produced and modified carbon nanotubes.
LDR:02750nam 2200373 4500 001 1397764
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008 130515s2010 ||||||||||||||||| ||eng d
020 $a 9781124287485
035 $a (UMI)AAI3426680
035 $a AAI3426680
040 $a UMI $c UMI
100 1 $a Rawat, Dinesh Singh. $3 1676615
245 1 0 $a Study of gas adsorption on as-produced and modified carbon nanotubes.
300 $a 131 p.
500 $a Source: Dissertation Abstracts International, Volume: 71-11, Section: B, page: 6832.
500 $a Adviser: Aldo D. Migone.
502 $a Thesis (Ph.D.)--Southern Illinois University at Carbondale, 2010.
520 $a Volumetric adsorption isotherm measurements were used to study the adsorption characteristics of Ethane (C2H6) and Butane (C 4H10) on as-produced single-walled carbon nanotubes.
520 $a The binding energy of the adsorbed alkane molecule was found to increase with increasing carbon chain length. Two adsorption substeps were obtained for each alkane molecule. However, the size of the high pressure substep was found to be gradually smearing with the increase in size of the adsorbed molecule. This phenomenon is interpreted as size entropy effect for linear molecules. This interpretation was also verified by determining the specific surface area of the substrate using linear molecules of different sizes. Kinetics measurements of alkane adsorption on SWNTs were also conducted and their dependence on the molecular length was determined. Similar adsorption measurements were performed for Argon (Ar) on as-produced single-walled carbon nanotubes and nanotubes that were structurally modified using acid treatment.
520 $a Enhancement of the sorptive capacity and the presence of two distinct kinetics of gas adsorption verified partial opening of single walled carbon nanotubes as a result of chemical treatment.
520 $a Mutiwalled carbon nanotubes were exposed to oxygen plasma treatment for varying time periods. Afterwards, adsorption measurements of Methane (CH 4) were conducted on untreated and oxygen plasma treated tubes.
520 $a The presence of an additional substep, after exposing multiwalled carbon nanotubes to oxygen plasma for varying time periods, suggested progressive cleaning of nanotube surface.
590 $a School code: 0209.
650 4 $a Nanoscience. $3 587832
650 4 $a Physics, Condensed Matter. $3 1018743
690 $a 0565
690 $a 0611
710 2 $a Southern Illinois University at Carbondale. $b Physics. $3 1676616
773 0 $t Dissertation Abstracts International $g 71-11B.
790 1 0 $a Migone, Aldo D., $e advisor
790 1 0 $a Calbi, Mercedes $e committee member
790 1 0 $a Tsige, Mesfin $e committee member
790 1 0 $a Talapatra, Saikat $e committee member
790 1 0 $a Mondal, Kanchan $e committee member
790 $a 0209
791 $a Ph.D.
792 $a 2010
856 4 0 $u http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=3426680