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Electrocatalytic Studies of Group VI...

Grant, Cameron.

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Electrocatalytic Studies of Group VI Metals.

紀錄類型:	書目-電子資源 : Monograph/item
正題名/作者:	Electrocatalytic Studies of Group VI Metals./
作者:	Grant, Cameron.
出版者:	Ann Arbor : ProQuest Dissertations & Theses, : 2024,
面頁冊數:	59 p.
附註:	Source: Masters Abstracts International, Volume: 85-11.
Contained By:	Masters Abstracts International85-11.
標題:	Chemistry. -
電子資源:	https://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=31293888
ISBN:	9798382610955

Electrocatalytic Studies of Group VI Metals.
Grant, Cameron.

Electrocatalytic Studies of Group VI Metals. - Ann Arbor : ProQuest Dissertations & Theses, 2024 - 59 p.

Source: Masters Abstracts International, Volume: 85-11.

Thesis (M.S.)--Indiana University, 2024.

Formate is one of the only economically viable products from CO2 reduction due to its industrial versatility and excellent compatibility with current liquid-based fuel infrastructure. Here we report group 6 electro catalysts that selectively reduce CO2 to formate with high faradaic efficiencies, 93+-5%. This class of catalysts are based on the structure of M(a-diimine)(CO)4, where M=Cr, Mo, and W. However, their mechanism is not clearly understood. We hypothesize a proton-tautomerization occurs from the ligand to the metal center, generating a metal-hydride with sufficient hydricity to reduce CO2 to formate. Therefore, understanding the effects of metal basicity and ligand conjugation will aid in catalyst design of group 6 metal complexes for optimized proton-coupled reduction processes. NMR and EPR characterization will allow for direct observation of metal-hydride species. Assuming a metal-hydride is observed, further studies with NMR or UV-vis will estimate hydricity values.

ISBN: 9798382610955Subjects--Topical Terms:

516420
Chemistry.
Subjects--Index Terms:

Catalysis

Electrocatalytic Studies of Group VI Metals.
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245 1 0 $a Electrocatalytic Studies of Group VI Metals.
260 1 $a Ann Arbor : $b ProQuest Dissertations & Theses, $c 2024
300 $a 59 p.
500 $a Source: Masters Abstracts International, Volume: 85-11.
500 $a Advisor: Li, Liang-shi.
502 $a Thesis (M.S.)--Indiana University, 2024.
520 $a Formate is one of the only economically viable products from CO2 reduction due to its industrial versatility and excellent compatibility with current liquid-based fuel infrastructure. Here we report group 6 electro catalysts that selectively reduce CO2 to formate with high faradaic efficiencies, 93+-5%. This class of catalysts are based on the structure of M(a-diimine)(CO)4, where M=Cr, Mo, and W. However, their mechanism is not clearly understood. We hypothesize a proton-tautomerization occurs from the ligand to the metal center, generating a metal-hydride with sufficient hydricity to reduce CO2 to formate. Therefore, understanding the effects of metal basicity and ligand conjugation will aid in catalyst design of group 6 metal complexes for optimized proton-coupled reduction processes. NMR and EPR characterization will allow for direct observation of metal-hydride species. Assuming a metal-hydride is observed, further studies with NMR or UV-vis will estimate hydricity values.
590 $a School code: 0093.
650 4 $a Chemistry. $3 516420
650 4 $a Materials science. $3 543314
650 4 $a Inorganic chemistry. $3 3173556
653 $a Catalysis
653 $a Electrochemistry
653 $a Formate
653 $a Molybdenum
653 $a Pyrazinyl
653 $a Tungsten
690 $a 0485
690 $a 0794
690 $a 0488
710 2 $a Indiana University. $b Chemistry. $3 1020748
773 0 $t Masters Abstracts International $g 85-11.
790 $a 0093
791 $a M.S.
792 $a 2024
793 $a English
856 4 0 $u https://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=31293888