Professor Bai has made many important contributions in developing new research techniques and methodologies, and applying them in research in to chemistry and molecular sciences. In particular, he is recognised as one of the pioneers in the field of scanning probe microscopy, nanoscience and nanotechnology, and has conducted unique investigations into the behaviours of single molecule and molecular assembly on solid surfaces, leading to the development of various nano-products or processes. He also plays a strong leadership role in advancing science and technology in China, and has made many contributions to promote the scientific and technological cooperation between Australia and China.