Issue link: https://iconnect007.uberflip.com/i/1518649
40 DESIGN007 MAGAZINE I APRIL 2024 tices is one thing, but being able to learn and then use them day-to-day is where the value lies. Did you learn any design techniques that you could use on your job right away? I am an electrical test engineer in the solar tracking industry. What I learned and was able to use right away was the ability to create and output manufacturing files, drawings, and data for projects on my team. We recently lost our layout engineer, and we needed to fill the gap. With the practice and information I learned from Kris's courses, we were able to pick back up without much loss. We would not have been able to do so if I hadn't taken those courses. That's a pretty good example. So, why should designers and design engineers attend the conference at IPC APEX EXPO this year? Designers should attend this conference if they want to learn about the most important IPC standards without having to pore over every page of every standard. Of course, read- ing the standards is still necessary, but with these classes, you get a sense of which stan- dards apply to which elements of design, and you learn exactly where to look when you need something. Combined with the help of some- one who can answer almost any question (and I mean it), it's hard not to come up with the answer you are looking for. Thanks for speaking with me, Graham. ank you, Andy. DESIGN007 A research team led by Professor Sung-Yeon Jang in the School of Energy and Chemical Engi- neering at UNIST has achieved a significant advancement in solar cell technology. Through a collaborative effort with Professor Sang Kyu Kwak and his team at Korea University, the researchers have developed a groundbreaking technology that greatly enhances the efficiency of solar cell devices by integrating tin-lead halide perovskites (TLHPs) photoactive layers with quantum dot layers. One of the challenges with tin-lead halide com- plexes is their limited energy gap between bands, despite their excellent light absorption capabilities in the near-infrared region. The presence of inter- nal defects and short charge movement distances has hindered stable charge extraction in the past. Moreover, the alignment of energy levels and efficient collection of electric charges, enabled by the unique properties of the materials, now allow for enhanced electron extraction and increased extraction of electric charges generated by sun- light. Professor Jang emphasized the significance of the integration of quantum dot and perovskite solar cell technologies, highlighting the potential for high-efficiency solar cells in the future. This research breakthrough opens up new possibilities for the development of next-generation solar cells with enhanced performance and efficiency. (Source: UNIST) Breakthrough in Efficiency for Narrow-Bandgap Perovskite Solar Cells Graham Blacksmith