Polyol-mediated synthesis of ZnO nanoparticle-assembled hollow spheres/nanorods and their photoanode performances

ZnO nanoparticle-assembled hollow spheres (raspberry-like) and elliptical nanorods (rice-like) were synthesized via a facile polyol process. Employing ethylene glycol as a polyol led to a ZnO nanoparticle-assembled hollow sphere structure, while diethylene glycol resulted in an elliptical nanorod st...

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Published inThe Korean journal of chemical engineering Vol. 34; no. 2; pp. 495 - 499
Main Authors Kim, Soon Wook, Nguyen, Tri Khoa, Van Thuan, Doan, Dang, Dinh Khoi, Hur, Seung Hyun, Kim, Eui Jung, Hahn, Sung Hong
Format Journal Article
LanguageEnglish
Published New York Springer US 01.02.2017
Springer Nature B.V
한국화학공학회
Subjects
Biotechnology
Catalysis
Chemistry
Chemistry and Materials Science
Electronic
Industrial Chemistry/Chemical Engineering
Inorganic
Materials (Organic
Materials Science
Thin Films
화학공학
Polyol Process
Dye-sensitized Solar Cells
ZnO Hollow Spheres
ZnO Elliptical Nanorods
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ISSN0256-1115
1975-7220
DOI10.1007/s11814-016-0283-3

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Summary:ZnO nanoparticle-assembled hollow spheres (raspberry-like) and elliptical nanorods (rice-like) were synthesized via a facile polyol process. Employing ethylene glycol as a polyol led to a ZnO nanoparticle-assembled hollow sphere structure, while diethylene glycol resulted in an elliptical nanorod structure. The ZnO hollow spheres had a higher Brunauer-Emmett-Teller (BET) surface area, better dye adsorption, more incident light trapping, and lower defect density than the ZnO elliptical nanorods. The ZnO hollow sphere-based dye-sensitized solar cells (DSSCs) exhibited a three-times higher current density than the ZnO elliptical nanorod-based DSSCs.
Bibliography:ObjectType-Article-1
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G704-000406.2017.34.2.007
ISSN:0256-1115
1975-7220
DOI:10.1007/s11814-016-0283-3