.png){kind=icon}
返回
Mesoporous Metastable CuTe2 Semiconductor
.png){kind=icon}
PRE
AI
DOI：10.1021/jacs.3c05846.png)
.png){kind=icon}
原文求助.png){kind=icon}
分享.png){kind=icon}
收藏
摘要
En 中文
Binary metastable semiconductor materials offer exciting possibilities in the field of optoelectronics, such as photovoltaics, tunable photosensors, and detectors. However, understanding their properties and translating them into practical applications can sometimes be challenging, owing to their thermodynamic instability. Herein, we report a temperature-controlled crystallization technique involving electrochemical deposition to produce metastable CuTe(2 )thin films that can reliably function under ambient conditions. A series of in situ heating/cooling cycle tests from room temperature to 200 C-degrees followed by spectral, morphological, and compound analyses (such as ultraviolet-visible light spectroscopy, X-ray diffraction (XRD) analysis, and X-ray photoelectron spectroscopy (XPS)) suggest that the seeding electrodes play a key role in the realization of the metastable phase in CuTe2 films. In particular, CuTe2 films deposited on Al electrodes exhibit superior crystallinity and long-term stability compared with those grown on a Au substrate. The XRD data of thermally annealed CuTe2 thin films deposited on Al show a markedly sharp peak, indicating significantly increased crystal-domain sizes. Our method can be used to achieve the metastable phase of CuTe2 with a bandgap of 1.67 eV and offers outstanding photoresponsivity under different illumination conditions.
Keyword:
PHASES
期刊
IF:
15.6
论文数:
20.0W
被引数:
60.2W
机构
引用论文
The electrochemistry of noble metal electrodes in aprotic organic solvents containing lithium salts含锂盐的非质子有机溶剂中贵金属电极的电化学
PREAI
分享收藏Metastable materials discovery in the age of large-scale computation.png)
APPLIED PHYSICS REVIEWS
APPLIED PHYSICS REVIEWSIF11.6
PREAI
分享收藏Direct calorimetric verification of thermodynamic instability of lead halide hybrid perovskites卤化铅杂化钙钛矿热力学不稳定性的直接量热验证
OAAI
OAAI分享收藏
查看更多内容