The Future of Perovskite Solar Cells

A special issue of Micromachines (ISSN 2072-666X). This special issue belongs to the section "E:Engineering and Technology".

Deadline for manuscript submissions: closed (30 November 2021) | Viewed by 2564

Special Issue Editors


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Guest Editor
Laboratory of Photomolecular Science, Institute of Chemical Sciences and Engineering, École Polytechnique Fédérale de Lausanne, 1015 Lausanne, Switzerland
Interests: perovskite solar cells; organic electronics; time-resolved spectroscopy; solid-state NMR; photochemistry

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Guest Editor
Laboratory of Photonics and Interfaces, École Polytechnique Fédérale de Lausanne, 1015 Lausanne, Switzerland
Interests: catalyst; photovoltaic

Special Issue Information

Dear Colleagues,

The leap forward in the power conversion efficiency (PCE) enabled by lead (Pb) halide perovskites is unprecedented, with PCEs emerging from 3.8% in its first study to a recent certified value of 25.5% in single-junction perovskite solar cells. However, before bringing PSCs to an industrial scale-up process and using this material in other optoelectronic applications, some critical issues are needed to be carefully addressed, such as Pb and solvent toxicities and, most importantly, improving the intrinsic material and device stability. This Special Issue in micromachines will focus on the research and review articles based on the most recent advances in the field. In particular, we welcome the work based on the development of new perovskite compositions, interfacial engineering, molecular passivation, novel charge transporting materials, and innovative fabrication techniques aimed at enhancing performance and stability. Special consideration will be given to the work-based on lead-free perovskite solar cells.

Dr. Anurag Krishna
Dr. Hong Zhang
Guest Editors

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Published Papers (1 paper)

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Research

9 pages, 2062 KiB  
Article
Electric Field Induced Electrorotation of 2D Perovskite Microplates
by Ruifu Zhou, Daobiao Hong, Siyu Gao, Yu Gu and Xuhai Liu
Micromachines 2021, 12(10), 1228; https://doi.org/10.3390/mi12101228 - 9 Oct 2021
Cited by 1 | Viewed by 2035
Abstract
High precision-controlled movement of microscale devices is crucial to obtain advanced miniaturized motors. In this work, we report a high-speed rotating micromotor based on two-dimensional (2D) all-inorganic perovskite CsPbBr3 microplates controlled via alternating-current (AC) external electric field. Firstly, the device configuration with [...] Read more.
High precision-controlled movement of microscale devices is crucial to obtain advanced miniaturized motors. In this work, we report a high-speed rotating micromotor based on two-dimensional (2D) all-inorganic perovskite CsPbBr3 microplates controlled via alternating-current (AC) external electric field. Firstly, the device configuration with optimized electric field distribution has been determined via systematic physical simulation. Using this optimized biasing configuration, when an AC electric field is applied at the four-electrode system, the microplates suspended in the tetradecane solution rotate at a speed inversely proportional to AC frequency, with a maximum speed of 16.4 × 2π rad/s. Furthermore, the electrical conductivity of CsPbBr3 microplates has been determined in a contactless manner, which is approximately 10−9–10−8 S/m. Our work has extended the investigations on AC electric field-controlled micromotors from 1D to 2D scale, shedding new light on developing micromotors with new configuration. Full article
(This article belongs to the Special Issue The Future of Perovskite Solar Cells)
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