DataVXAdvanced MaterialsPaper
journal article·2020-09Open access

Embedded Nickel‐Mesh Transparent Electrodes for Highly Efficient and Mechanically Stable Flexible Perovskite Photovoltaics: Toward a Portable Mobile Energy Source

Meng Li, Wei‐Wei Zuo, Antonio Gaetano Ricciardulli, Ying‐Guo Yang, Yan‐Hua Liu, Qiong Wang, Kai‐Li Wang, Gui‐Xiang Li, Michael Saliba, Diego Di Girolamo, Antonio Abate, Zhao‐Kui Wang

Advanced Materials· Volume 32· Issue 38
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Abstract

Abstract The rapid development of Internet of Things mobile terminals has accelerated the market's demand for portable mobile power supplies and flexible wearable devices. Here, an embedded metal‐mesh transparent conductive electrode (TCE) is prepared on poly(ethylene terephthalate) (PET) using a novel selective electrodeposition process combined with inverted film‐processing methods. This embedded nickel (Ni)‐mesh flexible TCE shows excellent photoelectric performance (sheet resistance of ≈0.2–0.5 Ω sq−1 at high transmittance of ≈85–87%) and mechanical durability. The PET/Ni‐mesh/polymer poly(3,4‐ethylenedioxythiophene):poly(styrenesulfonate) (PEDOT:PSS PH1000) hybrid electrode is used as a transparent electrode for perovskite solar cells (PSCs), which exhibit excellent electric properties and remarkable environmental and mechanical stability. A power conversion efficiency of 17.3% is obtained, which is the highest efficiency for a PSC based on flexible transparent metal electrodes to date. For perovskite crystals that require harsh growth conditions, their mechanical stability and environmental stability on flexible transparent embedded metal substrates are studied and improved. The resulting flexible device retains 76% of the original efficiency after 2000 bending cycles. The results of this work provide a step improvement in flexible PSCs.
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Research context

PolymersElectronic materials

OpenAlex topics: Perovskite Materials and Applications · Conducting polymers and applications · Quantum Dots Synthesis And Properties

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

Affiliations

Institute of Functional Nano & Soft Materials (FUNSOM) Jiangsu Key Laboratory for Carbon‐Based Functional Materials & Devices Soochow University Suzhou 215123 China

Helmholtz‐Zentrum Berlin für Materialien und Energie Kekuléstraße 5 Berlin 12489 Germany

Laboratory of Advanced Optoelectronic Materials College of Chemistry Chemical Engineering and Materials Science Soochow University Suzhou 215123 China

Institute of Materials Science Technische Universität Darmstadt Alarich‐Weiss‐Straße 2 Darmstadt 64287 Germany

Shanghai Synchrotron Radiation Facility (SSRF) Shanghai Advanced Research Institute Shanghai Institute of Applied Physics Chinese Academy of Sciences 239 Zhangheng Road Shanghai 201204 P. R. China

School of Optoelectronic Science and Engineering Key Lab of Advanced Optical Manufacturing Technologies of Jiangsu Province Key Lab of Modern Optical Technologies of Education Ministry of China Soochow University Suzhou 215123 China

Helmholtz Young Investigator Group lEK5‐Photovoltaik, Forschungszentrum Jülich Jülich 52425 Germany

Department of Chemical Materials and Production Engineering University of Naples Federico II Piazzale Tecchio 80, Fuorigrotta Naples 80125 Italy

Funding

National Natural Science Foundation of China · National Basic Research Program of China · Natural Science Foundation of Jiangsu Province · Collaborative Innovation Center of Suzhou Nano Science and Technology · Priority Academic Program Development of Jiangsu Higher Education Institutions · Higher Education Discipline Innovation Project · State Administration of Foreign Experts Affairs · Helmholtz-Zentrum Berlin für Materialien und Energie · Soochow University · State Key Laboratory on Integrated Optoelectronics · Deutsche Forschungsgemeinschaft

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