2022 - Angew. chem. int. ed.

M. Li1, H. Li, Q. Zhuang, D. He, B. Liu, C. Chen, M. Jiang, S. Xu, S. Zheng, B. Zhang, Th. Pauporté, Z. Zang, J. Chen 

Stabilizing Perovskite Precursor by Synergy of Functional Groups for NiOx-Based Inverted Solar Cells with 23.5% Efficiency 

Angew. Chem. Int. Ed., (2022) DOI: 10.1002/anie.20220691

A precursor stabilization and defect passivation strategy was developed by employing 3-hydrazinobenzoic acid (3-HBA) as a versatile additive. The synergistic effect of −NHNH2 and −COOH suppresses oxidation of I−, deprotonation of organic cations and amine-cation reaction. The NiOx-based inverted device achieves a certified efficiency of 23.3 % with excellent operational stability

Angewandte NiOx ToC
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2022 - adv. energy mater.

D. Zheng, T. Zhu, Y. Yan, Th. Pauporté

Controlling the formation process of methylammonium-free halide perovskite films for a homogeneous incorporation of alkali metal cations beneficial to solar cell performances

Adv. Energy Mater., (2022) DOI:10.1002/aenm.202103618.

 

We show that ammonium chloride additive in the precursor solution governs the even depth distribution of alkali metal (IA) elements in methylammonium-free perovskites, favors the crystallinity and phase purity and induces a lateral growth of large monolithic film grains. Combined with the surface treatment by n-propylammonium iodide (PAI), it results in solar cells with high photovoltaic performances and improved stability.

2022 - Nano energy

D. Zheng, C. Schwob, Z. Ouzitb, L. Coolen, Th. Pauporté* 

How Do Gold Nanoparticles Boost the Performance of Perovskite Solar Cells? 

Nano Energy, 94 (2022) 106934

DOI: 10.1016/j.nanoen.2022.106934

A new article explaining how do gold nanoparticles boost the performance of perovskite solar cells has been published in the Nano Energy Journal. Congratulation to Daming Zheng.

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