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Theory and applications of NMR to pr...

Agarwal, Arun.

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Theory and applications of NMR to problems in material science and analytical chemistry.

紀錄類型:	書目-語言資料,印刷品 : Monograph/item
正題名/作者:	Theory and applications of NMR to problems in material science and analytical chemistry./
作者:	Agarwal, Arun.
面頁冊數:	185 p.
附註:	Source: Dissertation Abstracts International, Volume: 71-11, Section: B, page: 6793.
Contained By:	Dissertation Abstracts International71-11B.
標題:	Chemistry, Analytical. -
電子資源:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=3426117
ISBN:	9781124263069

Theory and applications of NMR to problems in material science and analytical chemistry.
Agarwal, Arun.

Theory and applications of NMR to problems in material science and analytical chemistry. - 185 p.

Source: Dissertation Abstracts International, Volume: 71-11, Section: B, page: 6793.

Thesis (Ph.D.)--University of California, Riverside, 2010.

Recent developments in NMR spectroscopy have seen an increase in its application for the study of structure and dynamics in the field of material science. NMR can be used as a complementary technique to X-ray diffraction and other structure probing techniques such as AFM and STM in the study of complex systems. Due to its non-invasive nature, measurements can be made on samples without altering their structural or functional properties.

ISBN: 9781124263069Subjects--Topical Terms:

586156
Chemistry, Analytical.

Theory and applications of NMR to problems in material science and analytical chemistry.
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100 1 $a Agarwal, Arun. $3 1682434
245 1 0 $a Theory and applications of NMR to problems in material science and analytical chemistry.
300 $a 185 p.
500 $a Source: Dissertation Abstracts International, Volume: 71-11, Section: B, page: 6793.
500 $a Adviser: Leonard J. Mueller.
502 $a Thesis (Ph.D.)--University of California, Riverside, 2010.
520 $a Recent developments in NMR spectroscopy have seen an increase in its application for the study of structure and dynamics in the field of material science. NMR can be used as a complementary technique to X-ray diffraction and other structure probing techniques such as AFM and STM in the study of complex systems. Due to its non-invasive nature, measurements can be made on samples without altering their structural or functional properties.
520 $a In this thesis three different application of solid-state NMR will be highlighted. First, the butyl-substituted spiro-biphenalenyl radical will be studied. This molecule is a member of a new class of organic conductors which posses the highest conductivity of any neutral organic molecular solid via a magnetic phase transition. 13C chemical shift measurements allow us to track the transition between the diamagnetic and paramagnetic states, which we find builds in as a gradual increase in the spin-density at the aromatic sites and a decrease in the electron spin-spin coupling between adjacent radicals. Our model suggests that the electron is not delocalized over the entire molecule, but is in fast exchange between the phenalenyl rings.
520 $a Next, the photophysics of photomechanically responsive molecular crystal nanostructures based on anthracene esters is studied using solid-state NMR. A detailed study of these materials provides significant insight into the molecular-level dynamics that give rise to the micron-scale response of the nanorods. This work provides insight into how solid-state photochemistry within nanostructured molecular crystals can give rise to novel photomechanical behavior on micron lengthscales.
520 $a Finally, the last chapter discusses several examples of analytical applications of NMR. A combined approach of using solid as well as solution state NMR spectroscopy to study the stereo-chemical and functional properties of industrially useful compounds has been presented. The approach taken has the potential to be used for a wide variety of industrial applications.
590 $a School code: 0032.
650 4 $a Chemistry, Analytical. $3 586156
650 4 $a Chemistry, Physical. $3 560527
690 $a 0486
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710 2 $a University of California, Riverside. $b Chemistry. $3 1682435
773 0 $t Dissertation Abstracts International $g 71-11B.
790 1 0 $a Mueller, Leonard J., $e advisor
790 1 0 $a Bardeen, Christopher J. $e committee member
790 1 0 $a Zhang, Jingsong $e committee member
790 $a 0032
791 $a Ph.D.
792 $a 2010
856 4 0 $u http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=3426117