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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.

Roland Diehl Presents Research at Science Lecture

2024-05-28

On May 24, 2024, Professor Roland Diehl from the Max-Planck-Institut für extraterrestrische Physik was invited to the 152nd Science Lecture at the College of Science.

Professor Fei QI talks about Physical Chemistry in Flame

2024-05-23

On May 21, 2024, Prof. Fei QI from Shanghai Jiao Tong University was invited to the 153rd Science Lecture in the College of Science, SUSTech. He gave a lecture themed “Physical Chemistry in Flame”.

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

2024-05-15