Fully Printed HTL-Free MAPbI3 Perovskite Solar Cells with Carbon Electrodes
Source abstract
Abstract
This study investigates fully printed methylamine vapour-treated methylammonium lead iodide (MAPbI3) hole transport layer (HTL)-free perovskite solar cells (PSCs) with a carbon electrode. We describe a method that can be used to deposit MAPbI3 films in an ambient environment with doctor blading that is entirely free of spin coating and has precise morphology control, in which the varying input N2 pressure affects the film morphology. Consequently, a fully printed perovskite solar cell with an ITO/SnO2/MAPbI3/carbon structure was fabricated using a doctor-blading SnO2 electron transport layer and a screen-printed carbon counter electrode. The low-temperature-derived PSCs exhibited a superior power conversion efficiency (PCE) of 14.17% with an open-circuit voltage (Voc) of 1.02 V on a small-active-area device and the highest efficiency of >8% for an illumination exposure area of 1.0 cm2, with high reproducibility. This work highlights the potential of doctor blading and methylamine vapour treatment as promising methods for fabricating high-performance perovskite solar cells. A doctor-blading approach offers a wide processing window for versatile high-performance perovskite optoelectronics in the context of large-scale production.
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Research context
OpenAlex topics: Perovskite Materials and Applications · Organic Light-Emitting Diodes Research · Conducting polymers and applications
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
Electronic Materials Research Laboratory, Key Laboratory of the Ministry of Education, International Center for Dielectric Research, Shaanxi Engineering Research Center of Advanced Energy Materials and Devices, School of Electronic Science and Engineering, Xi’an Jiaotong University, Xi’an 710049, China
Logistics Management Department, Weifang Medical University, Weifang 261041, China
Funding
Fundamental Research Funds for the Central Universities
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