Item Infomation
Title: | Micro-wheels composed of self-assembled tungsten oxide nanorods supported platinum counter electrode for highly efficient liquid-junction photovoltaic devices |
Authors: | Dang, Hai-Linh Thi |
Advisor: | Dao, Van-Duong Vu, Ngoc Hung Vu, Hong Ha Thi Tran, Nam Anh Nguyen, Thi Khanh Huyen Hoang, Xuan-Co Nguyen, Thi Hanh Phạm, Anh Tuan |
Issue Date: | 2021 |
Publisher: | Solar Energy |
Abstract: | In this study, the synthesis of micro-wheels composed of self-assembled tungsten oxide nanorods supported platinum (WO3/Pt) by atmospheric plasma reduction and its application in a counter electrode (CE) for highly efficient dye-sensitized solar cells were discussed. To characterize the developed materials, we conducted SEM, TEM, EDS-TEM, XRD. Due to a large surface-active area of developed material and its support for Pt nanoparticles in diameters of 2–3 nm, the WO3/Pt electrode indicated as a greater electrochemical catalyst for the redox reaction than Pt and WO3 CEs. Thus, the power conversion efficiency for a device with WO3/Pt electrode is improved to 8.10%, compared to 4.36% for a device with WO3 electrode and 7.61% for a cell with a Pt electrode. This study also supplies a procedure for fabricating highly catalytic and low-price catalyst materials for CEs, which has a tremendous meaning for various applications of micro-wheels consisted of self-assembled WO3 nanorods integrated with platinum. |
Description: | Q1 |
URI: | https://www.sciencedirect.com/science/article/abs/pii/S0038092X2031241X?via%3Dihub#! https://dlib.phenikaa-uni.edu.vn/handle/PNK/1759 |
Appears in Collections | Bài báo khoa học |
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