Micropump Fluidic Strategy for Fabricating Perovskite Microwire Array-Based Devices Embedded in Semiconductor Platform
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ArticleKAUST Department
Physical Science and Engineering (PSE) DivisionWater Desalination and Reuse Research Center (WDRC)
Material Science and Engineering
KAUST Catalysis Center (KCC)
Material Science and Engineering Program
KAUST Grant Number
BAS/1/1319-01-01Date
2021-01Submitted Date
2020-05-29Permanent link to this record
http://hdl.handle.net/10754/667196
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Microfluidic technologies are used to precisely manipulate fluid flow to integrate solution-processed materials in semiconductor devices. Here, a microfluidic method for incorporating perovskite into semiconductor-based devices is developed by embedding perovskite microwires (MWs) in Si microchannel platforms. The method relies on pumping a solution containing perovskite from the source to be precisely injected into Si microchannel arrays using filter paper that acts as a mesh of nano-/micropumps, owing to the capillary forces. Mask-free laser interference lithography is used to fabricate Si microchannels. Advanced characterization demonstrates that high-quality MWs are confined perfectly within the microchannel platform. Theoretical simulation is used to study the microfluidic mechanism. A high-performance photodetector based on the perovskite/Si MW array is obtained. Owing to this method’s simplicity, low cost, and zero chemical waste, it could pave the way for manufacturing cost-effective miniaturized perovskite in semiconductor platforms for a wide range of applications, including lab-on-a-chip technology.Citation
Xin, B., Pak, Y., Shi, M., Mitra, S., Zheng, X., Bakr, O. M., & Roqan, I. S. (2021). Micropump Fluidic Strategy for Fabricating Perovskite Microwire Array-Based Devices Embedded in Semiconductor Platform. Cell Reports Physical Science, 2(1), 100304. doi:10.1016/j.xcrp.2020.100304Sponsors
The authors acknowledge the financial support from King Abdullah University of Science and Technology (KAUST), baseline funding (BAS/1/1319-01-01).Publisher
Elsevier BVJournal
Cell Reports Physical ScienceAdditional Links
https://linkinghub.elsevier.com/retrieve/pii/S2666386420303301ae974a485f413a2113503eed53cd6c53
10.1016/j.xcrp.2020.100304
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