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Conversion of Water and Carbon Dioxi...

Zhu, Qinghua.

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Conversion of Water and Carbon Dioxide into Methanol with Solar Energy on Au/Co Nanostructured Surfaces.

Record Type:	Electronic resources : Monograph/item
Title/Author:	Conversion of Water and Carbon Dioxide into Methanol with Solar Energy on Au/Co Nanostructured Surfaces./
Author:	Zhu, Qinghua.
Published:	Ann Arbor : ProQuest Dissertations & Theses, : 2015,
Description:	92 p.
Notes:	Source: Dissertation Abstracts International, Volume: 76-12(E), Section: B.
Contained By:	Dissertation Abstracts International76-12B(E).
Subject:	Nanoscience. -
Online resource:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=3663967
ISBN:	9781339082080

Conversion of Water and Carbon Dioxide into Methanol with Solar Energy on Au/Co Nanostructured Surfaces.
Zhu, Qinghua.

Conversion of Water and Carbon Dioxide into Methanol with Solar Energy on Au/Co Nanostructured Surfaces. - Ann Arbor : ProQuest Dissertations & Theses, 2015 - 92 p.

Source: Dissertation Abstracts International, Volume: 76-12(E), Section: B.

Thesis (Ph.D.)--University of Massachusetts Lowell, 2015.

This item is not available from ProQuest Dissertations & Theses.

Conversion of carbon dioxide (CO2) and water (H 2O) to methanol (CH3OH) is achieved through an artificial photosynthesis procedure utilizing cobalt (Co) micro-particle based photocatalyst and solar energy. The photocatalyst is fabricated by exposing the surfaces of cobalt microparticles to femtosecond laser irradiation in a gold chloride (AuCl) solution. The morphology and composite of the photocatalyst surfaces were observed and detected to be a layer of cobalt dioxide (CoO) nano-flakes on which some gold (Au) nanoparticles were deposited. The Au nanoparticles harvest the sunlight energy through a plasmonic effect. The energy absorbed by Au nanoparticles creates electron-hole pairs which oxidize and reduce the H2O and CO2 molecules adsorbed on CoO nanostructure surfaces to form hydrogen (H2) and carbon monoxide (CO), which eventually combine to form CH3OH. The results are useful to developing a low-cost method to convert solar energy to chemical energy in the form of methanol.

ISBN: 9781339082080Subjects--Topical Terms:

587832
Nanoscience.

Conversion of Water and Carbon Dioxide into Methanol with Solar Energy on Au/Co Nanostructured Surfaces.
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506 $a This item is not available from ProQuest Dissertations & Theses.
520 $a Conversion of carbon dioxide (CO2) and water (H 2O) to methanol (CH3OH) is achieved through an artificial photosynthesis procedure utilizing cobalt (Co) micro-particle based photocatalyst and solar energy. The photocatalyst is fabricated by exposing the surfaces of cobalt microparticles to femtosecond laser irradiation in a gold chloride (AuCl) solution. The morphology and composite of the photocatalyst surfaces were observed and detected to be a layer of cobalt dioxide (CoO) nano-flakes on which some gold (Au) nanoparticles were deposited. The Au nanoparticles harvest the sunlight energy through a plasmonic effect. The energy absorbed by Au nanoparticles creates electron-hole pairs which oxidize and reduce the H2O and CO2 molecules adsorbed on CoO nanostructure surfaces to form hydrogen (H2) and carbon monoxide (CO), which eventually combine to form CH3OH. The results are useful to developing a low-cost method to convert solar energy to chemical energy in the form of methanol.
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