353 citations · 741 across the 7 of their papers we have counts for
7 papers
Mapping the Pathways of Photo-induced Ion Migration in Organic-inorganic Hybrid Halide Perovskites
Taeyong Kim, Soyeon Park, Vasudevan Iyer +7
Organic-inorganic hybrid perovskites (OIHPs) exhibiting exceptional photovoltaic and optoelectronic properties are of fundamental and practical interest, owing to their tunability…
Understanding the Effect of Lead Iodide Excess on the Performance of Methylammonium Lead Iodide Perovskite Solar Cells
Zeeshan Ahmad, Rebecca A. Scheidt, Matthew P. Hautzinger +3
The presence of unreacted lead iodide in organic-inorganic lead halide perovskite solar cells is widely correlated with an increase in power conversion efficiency. We investigate t…
Superior Photo-carrier Diffusion Dynamics in Organic-inorganic Hybrid Perovskites Revealed by Spatiotemporal Conductivity Imaging
Xuejian Ma, Fei Zhang, Zhaodong Chu +9
The outstanding performance of organic-inorganic metal trihalide solar cells benefits from the exceptional photo-physical properties of both electrons and holes in the material. He…
An analysis of carrier dynamics in methylammonium lead triiodide perovskite solar cells using cross-correlation noise spectroscopy
Kevin Davenport, Fei Zhang, Mark Hayward +3
Using cross-correlation current noise spectroscopy, we have investigated carrier dynamics in methylammonium lead triiodide solar cells. This method provides a space selectivity for…
Impact of Grain Boundaries on Efficiency and Stability of Organic-Inorganic Trihalide Perovskites
Zhaodong Chu, Mengjin Yang, Philip Schulz +7
Organic-inorganic perovskite solar cells have attracted tremendous attention because of their remarkably high power conversion efficiencies (PCEs). To further improve the device pe…
Simultaneous band gap narrowing and carrier lifetime prolongation of organic-inorganic trihalide perovskites
Lingping Kong, Gang Liu, Jue Gong +12
The organic-inorganic hybrid lead trihalide perovskites have been emerging as the most attractive photovoltaic material. As regulated by Shockley-Queisser theory, a formidable mate…
Multiple-stage structure transformation of organic-inorganic hybrid perovskite CH3NH3PbI3
Qiong Chen, Henan Liu, Hui-Seon Kim +8
By performing spatially resolved Raman and photoluminescence spectroscopy with varying excitation wavelength, density, and data acquisition parameters, we have achieved a unified u…