In the quest for the efficient utilization of new energy sources, researchers continue to push the boundaries of technology, seeking innovative solutions to address global energy challenges.

2023 year 5 Month, a study published in the internationally renowned journal “ Chemical Engineering Journal The research findings published in the journal have attracted widespread attention in the energy sector. The study focuses on methylammonium lead iodide under low-temperature conditions. (MAPbI₃) Perovskite solar cell (PSCs) Performance optimization. It is worth noting that Chongguang Company’s temperature‑controlled device (TSL300-PM) It played a pivotal role in this study, serving as an indispensable tool for the research team to delve into low-temperature properties.

Journal Title: “ Chemical Engineering Journal 》

Major Category and Subdivision: Chinese Academy of Sciences, Engineering Technology 1 district Top

Article Title: « Low-Temperature robust MAPbI3 perovskite solar cells with power conversion efficiency exceeding 22.4% 》

Impact Factor: 16.744

Client Organization: Taiyuan University of Technology

Application Products: TSL300-PM

Figure 1 : Screenshot of the paper abstract

Figure 2 : Screenshot of the product model from the paper

I. Research Challenges and the Critical Role of Temperature-Controlled Devices

Perovskite solar cells, owing to their unique advantages, hold tremendous potential for future space exploration and aerospace applications. However, their performance under low-temperature conditions remains a critical challenge that hinders practical deployment. To gain deeper insights… PSCs To elucidate the evolution of performance at low temperatures and identify the intrinsic factors that limit such performance, research teams must accurately simulate a range of cryogenic conditions and obtain reliable experimental data. In doing so, extremely stringent requirements are imposed on the precision, stability, and applicability of temperature‑control equipment.

Figure 3：TSL300-PM

The temperature‑control system from Chongguang stands out thanks to its exceptional performance, perfectly meeting the stringent requirements of this research. Its precise temperature‑regulation capability allows it to… 290 - 90K Within a broad temperature range, the device achieves stable temperature control with extremely small temperature deviations, providing a reliable low-temperature environment for experiments. Whether in gradual cooling or during prolonged stabilization at specific setpoints, it delivers outstanding performance, ensuring the accuracy and reproducibility of experimental data.

II. Temperature-Controlled Apparatus Facilitates Experimental Progress

In this study, the research team employed a cryogenic variable-temperature apparatus to investigate both unmodified and PMMA modified PSCs Comprehensive low-temperature performance tests were conducted. Under the test current… -  Voltage ( J - V ) During the curve‑fitting process, the temperature‑controlled apparatus maintained a stable thermal environment, enabling researchers to accurately record the variations in the device’s performance parameters across different temperatures. From… 290K Gradually cool down to 90K During the process, it was clearly observed that the performance of the unmodified device first increased and then decreased, whereas… PMMA The trend of significant improvements in device performance provides a robust data foundation for subsequent analysis.

Figure 4 : At different temperatures   , ( d ) None PMMA modified PSCs and ( e ) There is PMMA modified PSCs of the PCE Data.

Meanwhile, in the context of temperature‑dependent steady‑state photoluminescence ( PL ), electrochemical impedance spectroscopy ( EIS ) In various types of testing, the outstanding performance of the temperature‑control system has also been indispensable. It not only rapidly reaches the target temperature but also maintains thermal stability throughout the test, thereby preventing temperature fluctuations from compromising the results. This enables the research team to thoroughly investigate the mechanisms underlying the changes in the device’s optoelectronic properties at low temperatures, shedding light on multiple aspects—from charge transport and defect states to phase transitions. PMMA Enhance and refine PSCs The secret of low-temperature performance.

Figure 5 : Temperature-dependent steady-state photoluminescence ( PL ), electrochemical impedance spectroscopy ( EIS ) and various other test results

III. Experimental Results Demonstrate the Value of the Device

Thanks to the robust support of the re‑illumination temperature‑control apparatus, this study has yielded a series of significant findings. The research team discovered that interfacial defects are a key factor influencing… PSCs A key factor in low-temperature performance, and PMMA The passivation layer can effectively suppress interfacial defects, lower the phase-transition temperature, and significantly enhance device performance at low temperatures. In 90K At that time, PMMA modified PSCs Achieved 22.4% high photoelectric conversion efficiency, and after 26  After the thermal cycling test, the device exhibited virtually no efficiency loss, demonstrating exceptional stability. These groundbreaking results not only provide both theoretical and experimental support for the application of perovskite solar cells in low-temperature environments but also firmly validate the outstanding utility of the Zhongguang temperature‑controlled apparatus in scientific research.

Figure 6 : Temperature Cycling Test Results

IV. Joining Hands to Forge a New Future in Scientific Research

This successful collaboration with the research team is yet another exemplary instance of how the Chongguang variable‑temperature apparatus is driving scientific innovation. We firmly recognize that, on the path of scientific exploration, cutting‑edge experimental equipment serves as a vital catalyst for advancing knowledge. Moving forward, Chongguang will remain committed to a spirit of innovation, continuously refining and upgrading its product performance to provide global researchers with more precise, stable, and efficient experimental tools—thereby supporting groundbreaking discoveries and contributing to the resolution of critical challenges in energy, materials, and other fields. We look forward to joining forces with even more research teams to achieve greater milestones in the pursuit of scientific and technological advancement.