{"title":"A Current Matching Design and Its Impact of High-Efficiency Two-Terminal Perovskite/Silicon Tandem Photovoltaics","authors":"Kenji Kamide;Hidetaka Takato","doi":"10.1109/JPHOTOV.2023.3284588","DOIUrl":null,"url":null,"abstract":"We present a design theory for a two-terminal series perovskite (PVK)/silicon (Si) tandem solar cell. The development of this device requires PVK materials with a wide bandgap of about 1.7 eV for current matching with Si. On the other hand, in the current state of research and development, high quality as a single PVK cell has been obtained with materials having a lower bandgap (<1.6 eV). In this article, we focus on a design in which the top and bottom cells are divided into multiple cells and connected in series as an approach to adjust the current matching condition that limits the bandgap of the top cell, clarify its optimization and effectiveness by model calculations, and present an example of an optimal monolithic design.","PeriodicalId":445,"journal":{"name":"IEEE Journal of Photovoltaics","volume":"13 5","pages":"699-704"},"PeriodicalIF":2.5000,"publicationDate":"2023-06-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"IEEE Journal of Photovoltaics","FirstCategoryId":"5","ListUrlMain":"https://ieeexplore.ieee.org/document/10156841/","RegionNum":3,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q3","JCRName":"ENERGY & FUELS","Score":null,"Total":0}
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Abstract
We present a design theory for a two-terminal series perovskite (PVK)/silicon (Si) tandem solar cell. The development of this device requires PVK materials with a wide bandgap of about 1.7 eV for current matching with Si. On the other hand, in the current state of research and development, high quality as a single PVK cell has been obtained with materials having a lower bandgap (<1.6 eV). In this article, we focus on a design in which the top and bottom cells are divided into multiple cells and connected in series as an approach to adjust the current matching condition that limits the bandgap of the top cell, clarify its optimization and effectiveness by model calculations, and present an example of an optimal monolithic design.
期刊介绍：
The IEEE Journal of Photovoltaics is a peer-reviewed, archival publication reporting original and significant research results that advance the field of photovoltaics (PV). The PV field is diverse in its science base ranging from semiconductor and PV device physics to optics and the materials sciences. The journal publishes articles that connect this science base to PV science and technology. The intent is to publish original research results that are of primary interest to the photovoltaic specialist. The scope of the IEEE J. Photovoltaics incorporates: fundamentals and new concepts of PV conversion, including those based on nanostructured materials, low-dimensional physics, multiple charge generation, up/down converters, thermophotovoltaics, hot-carrier effects, plasmonics, metamorphic materials, luminescent concentrators, and rectennas; Si-based PV, including new cell designs, crystalline and non-crystalline Si, passivation, characterization and Si crystal growth; polycrystalline, amorphous and crystalline thin-film solar cell materials, including PV structures and solar cells based on II-VI, chalcopyrite, Si and other thin film absorbers; III-V PV materials, heterostructures, multijunction devices and concentrator PV; optics for light trapping, reflection control and concentration; organic PV including polymer, hybrid and dye sensitized solar cells; space PV including cell materials and PV devices, defects and reliability, environmental effects and protective materials; PV modeling and characterization methods; and other aspects of PV, including modules, power conditioning, inverters, balance-of-systems components, monitoring, analyses and simulations, and supporting PV module standards and measurements. Tutorial and review papers on these subjects are also published and occasionally special issues are published to treat particular areas in more depth and breadth.
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