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Open AccessArticle

Mg Doped CuCrO2 as Efficient Hole Transport Layers for Organic and Perovskite Solar Cells

1
Department of Materials Science and Engineering, The University of Texas at Dallas, Richardson, TX 75080, USA
2
Department of Mechanical Engineering and Materials Science, Duke University, Durham, NC 27708, USA
3
Department of Physics, The University of Texas at Dallas, Richardson, TX 75080, USA
4
Department of Applied Chemistry, National Chiao Tung University, 1001 University Road, Hsinchu 30010, Taiwan
*
Author to whom correspondence should be addressed.
Nanomaterials 2019, 9(9), 1311; https://doi.org/10.3390/nano9091311
Received: 19 July 2019 / Revised: 9 September 2019 / Accepted: 11 September 2019 / Published: 13 September 2019
The electrical and optical properties of the hole transport layer (HTL) are critical for organic and halide perovskite solar cell (OSC and PSC, respectively) performance. In this work, we studied the effect of Mg doping on CuCrO2 (CCO) nanoparticles and their performance as HTLs in OSCs and PSCs. CCO and Mg doped CCO (Mg:CCO) nanoparticles were hydrothermally synthesized. The nanoparticles were characterized by various experimental techniques to study the effect of Mg doping on structural, chemical, morphological, optical, and electronic properties of CCO. We found that Mg doping increases work function and decreases particle size. We demonstrate CCO and Mg:CCO as efficient HTLs in a variety of OSCs, including the first demonstration of a non-fullerene acceptor bulk heterojunction, and CH3NH3PbI3 PSCs. A small improvement of average short-circuit current density with Mg doping was found in all systems. View Full-Text
Keywords: Mg doped CuCrO2; hole transport layer; organic solar cells; perovskite solar cells Mg doped CuCrO2; hole transport layer; organic solar cells; perovskite solar cells
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Zhang, B.; Thampy, S.; Dunlap-Shohl, W.A.; Xu, W.; Zheng, Y.; Cao, F.-Y.; Cheng, Y.-J.; Malko, A.V.; Mitzi, D.B.; Hsu, J.W.P. Mg Doped CuCrO2 as Efficient Hole Transport Layers for Organic and Perovskite Solar Cells. Nanomaterials 2019, 9, 1311.

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