Photoelectrochemical Hydrogen Generation Using C-dot/ZnO Hierarchical Nanostructure as an Efficient Photoanode
- Authors
- Kim, Heejin; Kwon, Woosung; Choi, Mingi; Rhee, Shi-Woo; Yong, Kijung
- Issue Date
- Mar-2015
- Publisher
- ELECTROCHEMICAL SOC INC
- Citation
- JOURNAL OF THE ELECTROCHEMICAL SOCIETY, v.162, no.6, pp H366 - H370
- Journal Title
- JOURNAL OF THE ELECTROCHEMICAL SOCIETY
- Volume
- 162
- Number
- 6
- Start Page
- H366
- End Page
- H370
- URI
- https://scholarworks.sookmyung.ac.kr/handle/2020.sw.sookmyung/147218
- DOI
- 10.1149/2.0751506jes
- ISSN
- 0013-4651
1945-7111
- Abstract
- "In this study, we have developed a stable and environmental-friendly photoelectrode of carbon nanodots (C-dots) coupled with a 3 dimensional ZnO structure. Our C-dots are synthesized hydrothermally with a high yield of 40%, and they are successfully anchored onto the ZnO backbone via a facile solution procedure. The as-prepared C-dot/ZnO photoelectrodes have exhibited reasonable photocurrent density and remarkable photostability under the 1 sun irradiation condition without any sacrificial reagent. We have studied the chemistry beneath the C-dot/ZnO interface through various spectroscopic and electrochemical techniques. This work could shed light on future application of C-dots in efficient and toxin-free solar water-splitting systems. (C) 2015 The Electrochemical Society. All rights reserved."
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