4 papers
Electronic origin of stability of 2D 1H-phase Janus transition metal dichalcogenides and beyond
Lei Li, Ji-Chun Lian, Zi-Xuan Yang +8
Janus transition metal dichalcogenides (JTMDs) monolayers have emerged as a new paradigm to broaden the family of two-dimensional (2D) materials. Despite numerous theoretical predi…
Reassessing the Role of Chain-of-Thought in Sentiment Analysis: Insights and Limitations
Kaiyuan Zheng, Qinghua Zhao, Lei Li
The relationship between language and thought remains an unresolved philosophical issue. Existing viewpoints can be broadly categorized into two schools: one asserting their indepe…
Doping-free Janus homojunction solar cell with efficiency exceeding 23%
Lei Li, Zi-Xuan Yang, Tao Huang +6
Photovoltaic solar cell is one of the main renewable energy sources, and its power conversion efficiency (PCE) is improved by employing doping or heterojunction to reduce the photo…
Symmetry-breaking-induced giant Stark effect in 2D Janus materials
Jiang-Yu Lu, Wu-Yu Chen, Lei Li +6
Symmetry breaking generally induce exotic physical properties, particularly for low-dimensional materials. Herein we demonstrate that symmetry breaking induces a giant Stark effect…