Welcome to The Shao Group

Our current research focus on the design and fabrication of laser power conventer, physical unclonable function and perovskite X-ray detectors.

The final mission of our group is to design and develop new type photoelectronic devices with low cost and superior performance to serve our country and society. Achieving the ‘Holy Grail” requires the synthesis of novel material, deep understanding of the material photoelectronic properties, smart design of device structure, careful optimization of recipe. Therefore, we proactively collaborated with experts from different fields including chemistry, physics and engineering.

Recent Publications

1. Zhang, G., Y. Zheng, Y. Shi, X. Ma, M. Sun, T. Li, B. Yang and Y. Shao (2022). "Improving the Performance of Perovskite Solar Cells with Insulating Additive-Modified Hole Transport Layers." ACS Appl Mater Interfaces 14(9): 11500-11508.

2. Zhang, W., H. Wang, H. Dong, F. Li, Z. Wang and Y. Shao (2022). "Mechanical polishing with chemical passivation of perovskite single crystals for high-performance X-ray detectors." Journal of Materials Chemistry C 10(45): 17353-17363.

3. Chen, L., H. Wang, W. Zhang, F. Li, Z. Wang, X. Wang, Y. Shao and J. Shao (2022). "Surface Passivation of MAPbBr(3) Perovskite Single Crystals to Suppress Ion Migration and Enhance Photoelectronic Performance." ACS Appl Mater Interfaces 14(8): 10917-10926.

4. Ding, G., Y. Zheng, X. Xiao, H. Cheng, G. Zhang, Y. Shi and Y. Shao (2022). "Sustainable development of perovskite solar cells: keeping a balance between toxicity and efficiency." Journal of Materials Chemistry A 10(15): 8159-8171.

Laser Power Converter
Physical Unclonable Function
Perovskite X-ray Detector

In the deep sea, traditional energy transfer using cable is limited. For powering Autonomous Underwater Vehicles (AUV), laser wireless energy transfer appears to be a promising technology. This system is mainly consisting of a laser, a transmission medium, and an Laser power converter (LPC). The LPC is a device that converts the laser energy into electricity, like a solar cell, except that the incident light becomes a laser. However, the change in the incident light spectrum makes everything different.

Basically, the LPC and laser need to match the transmission medium to obtain optimal efficiency. So, we need to design an LPC considering all the factors for the underwater condition. For that aim, our

job is to design, fabricate, test, and package an LPC for underwater application and explore the highest possible energy transfer efficiency.

Physical Unclonable Function (PUF) is developed from the uncontrollable manufacturing randomness and unpredictable physical response upon external challenge. Comparing with the traditional non-volatile memory or anti-counterfeiting tags produced by deterministic methods, PUF shows an inherent advantage and is essential for security applications such as anti-counterfeiting, authentication, and cryptographic communication. Especially, optical PUF shows abundant encoding capacity due to the natural complexity of optical phenomenon from nanostructures. The fundamental physical mechanism ranging from classical optics to quantum optics can further enhance the security against mechanical learning.

Perovskite X-ray detector is a cutting-edge research field aiming to be an advanced alternative for the traditional radiation semiconductor detectors. The superior detection performance such as weak noise, low detection limit and high optoelectronic properties of lead-halide perovskite enable the excellent
we have developed various advanced techniques such as crystal growth, sensitivity. To further improve the device performance and operation stability, composition engineering, low dimensional material, mechanical chemical
flow schematic for perovskite X-ray detector have been established from crystal polishing, defect passivation, device structure optimization, and so on. Entire synthesis to X-ray detection.