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Enhanced electrocatalytic properties in MoS2/MoTe2 hybrid heterostructures for dye-sensitized solar cells

Title
Enhanced electrocatalytic properties in MoS2/MoTe2 hybrid heterostructures for dye-sensitized solar cells
Author
정성훈
Keywords
Hybrids; MoS2/MoTe2; DSSCs; Counter electrode
Issue Date
2020-02
Publisher
ELSEVIER
Citation
APPLIED SURFACE SCIENCE, v. 504, article no. 144401
Abstract
In this work, the hybrid bilayer of molybdenum disulfide (MoS2)/molybdenum telluride (MoTe2) was constructed on fluorine-doped fin oxide glass (FTO), and dye-sensitized solar cells (DSSCs) employing the material as counter electrode (CE) were implemented. The thickness of each layer of MoS2 and MoTe2 was tuned by changing the sputtering time to enhance DSSC performance. The DSSC with the MoS2/MoTe2 hybrid CE, exhibited a maximum power conversion efficiency (PCE) of 8.07% (6% for MoS2 and 7.25% for MoTe2 CE), and was comparable to one with N CE (8.33%). The observed good result of the MoS2/MoTe2 hybrid CE is ascribed to the synergistic properties between MoS2 and the metallic phase of MoTe2.
URI
https://www.sciencedirect.com/science/article/pii/S0169433219332179?via%3Dihubhttps://repository.hanyang.ac.kr/handle/20.500.11754/161159
ISSN
0169-4332; 1873-5584
DOI
10.1016/j.apsusc.2019.144401
Appears in Collections:
COLLEGE OF ENGINEERING[S](공과대학) > ORGANIC AND NANO ENGINEERING(유기나노공학과) > Articles
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