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Researchers make series of progress in field of perovskite solar cells

2024-06-01

To achieve the “double carbon” goals in China and worldwide, it is crucial to vigorously develop efficient and low-cost new photovoltaic technologies. Perovskite solar cells (PSCs), with their advantages of low cost, high efficiency, solution processability, and large-area preparation, have become the most commercially viable new photovoltaic devices. Although the power conversion efficiency (PCE) of PSCs has significantly increased from 3.8% to more than 26%, there is still a large gap between its theoretical efficiency (33%). At the same time, while the stability life of the device has been extended from a few minutes to thousands of hours, there is still a huge gap from the commercial standard or crystalline silicon’s service life of more than 25 years.

Researchers reveal intermediate-scale lowermost-mantle anomaly’s segregation and coalescence history

2024-05-31

The lower mantle has two significant structures known as large low-velocity anomalies (LLVPs) beneath the Pacific Ocean and Africa. These LLVPs cover approximately 30 percent of the core-mantle boundary (CMB) and exert a crucial influence on lower mantle dynamics. However, their stability has been a subject of controversy within the scientific community. Certain studies propose that these two LLVPs have maintained stability for hundreds of millions of years (Torsvik et al., 2010). Conversely, other research suggests that these structures may exhibit a more dynamic nature, akin to the continental motions observed on the Earth’s surface, involving processes of coalescence and dispersion (McNamara and Zhong, 2005).

Researchers reveal evolution of spin-orbit splitting near silicon isotope chains

2024-05-30

Spin-orbit coupling is a phenomenon in quantum physics that involves the interaction between the spin of a particle and its orbital motion. This effect is important in many fields, such as condensed matter physics, molecular physics, atomic physics, and atomic nuclear physics. In condensed matter physics, spin-orbit coupling has important effects on the electronic structure and properties of materials, such as magnetism, electrical conductivity, and optical properties. In the atomic nucleus, the spin-orbit coupling effect is used to explain the “magic number” of the nucleus.

SUSTech hosts meeting to launch and plan implementation for National Key R&D Program of China in Mathematics and Applied Research

2024-05-15

SUSTech’s Chemistry discipline achieves top 1‰ global ranking in ESI

2024-05-10

Clarivate Analytics unveiled its latest Essential Science Indicators (ESI) data on May 9, announcing that the Chemistry discipline at the Southern University of Science and Technology (SUSTech) has been ranked among the world’s top 1‰ disciplines for the first time.

Researchers reveal high-precision method to restore formation history of complex networks

2024-04-18

For many natural networked complex systems, evolution is their most striking feature. Exploring and understanding the underlying mechanism of evolution lies at the heart of many scientific areas, ranging from studying the origin and evolution of life and the ecological system to the emergence of intelligence through the brain neural network’s rewiring and formation of social communities and nation-states. It is the most fundamental aspect of scientific discoveries in evolving complex systems.