期刊論文
| 學年 | 106 |
|---|---|
| 學期 | 2 |
| 出版（發表）日期 | 2018-05-17 |
| 作品名稱 | Preferential Cation Vacancies in Perovskite Hydroxide for the Oxygen Evolution Reaction |
| 作品名稱（其他語言） | |
| 著者 | Dawei Chen; Man Qiao; Ying‐Rui Lu; Li Hao; Dongdong Liu; Prof. Chung‐Li Dong; Prof. Yafei Li; Prof. Shuangyin Wang |
| 單位 | |
| 出版者 | |
| 著錄名稱、卷期、頁數 | Angewandte Chemie 57(28), p.8691-8696 |
| 摘要 | The oxygen evolution reaction (OER) is an ideal model to study the relationship between the activity and the surface properties of catalysts. Defect engineering has been extensively developed to tune the electrocatalytic activity for OER. Compared to the anion vacancies in metal oxides, cation vacancies are more challenging to selectively generate, and the insight into the structure and activity of cation vacancies‐rich catalysts are lacked. Herein, using SnCoFe perovskite hydroxide as a precursor, abundant Sn vacancies on the surface were preferentially produced by Ar plasma. Sn vacancies could be preferentially produced as confirmed by the X‐ray absorption spectra, probably owing to the lower lattice energy and weaker chemical bonds of Sn(OH)4. The Sn vacancies promoted the exposure of active CoFe sites, resulting in an amorphous surface layer, modulated the conductivity, and thus enhanced the OER performance. |
| 關鍵字 | defects;electrocatalysts;oxygen;evolution;reaction;perovskites;vacancies |
| 語言 | en_US |
| ISSN | 1433-7851 |
| 期刊性質 | 國外 |
| 收錄於 | SCI |
| 產學合作 | |
| 通訊作者 | |
| 審稿制度 | 否 |
| 國別 | DEU |
| 公開徵稿 | |
| 出版型式 | ,電子版 |
| 相關連結 |
機構典藏連結 ( http://tkuir.lib.tku.edu.tw:8080/dspace/handle/987654321/114959 ) |