DataVXACS Applied Energy MaterialsPaper
journal article·2022-02-28

Natural Chlorophyll Derivative Assisted Defect Passivation and Hole Extraction for MAPbI3 Perovskite Solar Cells with Efficiency Exceeding 20%

Haoxin Wang, Ming Cheng, Xichuan Yang, Ze Yu, Licheng Sun

ACS Applied Energy Materials· Volume 5· Issue 2
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Source abstract

Abstract

A chlorophyll derivative, sodium copper chlorophyllin (NaCu-Chl), is utilized to passivate the defects at the perovskite film surface via a solution post-treatment method. It is found that NaCu-Chl not only suppresses the defect-induced nonradiative recombination but also improves the film morphology. Moreover, NaCu-Chl treatment also facilitates efficient hole extraction from perovskite to Spiro-OMeTAD. As a result, NaCu-Chl-treated MAPbI3 PSCs produce an optimal power conversion efficiency (PCE) of 20.27% with better ambient and thermal stability. This work offers an insight into the application of natural products and derivatives for fabrication of PSCs.
Source: openalex_inverted_index · Quality: baseline

Research context

Electronic materials

OpenAlex topics: Perovskite Materials and Applications · Chalcogenide Semiconductor Thin Films · Quantum Dots Synthesis And Properties

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

State Key Laboratory of Fine Chemicals, Dalian University of Technology (DUT), Dalian 116024, China

Institute for Energy Research, School of Energy and Power Engineering, Jiangsu University, Zhenjiang 212013, China

Department of Chemistry, School of Engineering Sciences in Chemistry, Biotechnology and Health, KTH Royal Institute of Technology, Stockholm 10044, Sweden

Center of Artificial Photosynthesis for Solar Fuels, School of Science, Westlake University, 310024 Hangzhou, China

Funding

Central University Basic Research Fund of China · Stiftelsen f?r?Strategisk Forskning · National Natural Science Foundation of China

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