期刊
ADVANCED ENERGY MATERIALS
卷 9, 期 45, 页码 -出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/aenm.201902470
关键词
2D and 3D-dimensions; light-emitting diode; multifunctional devices; perovskite solar cells
类别
资金
- SNSF NRP 70 project, Solaronix, Aubonne, Switzerland [407040_154056, CTI 25590.1 PFNM-NM]
- National Research Foundation of Korea (NRF) - Ministry of Science and ICT [NRF-2017R1A2.B3006054, NRF-2017R1A2B4010675]
- National Research Foundation of Korea [22A20130000025] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
Although 2D|3D has shown potential for application in multifunctional devices, the principle of operation for multifunction devices (SOLAR Cell-LED: SOLED) has not yet been revealed. However, most studies have reported that the devices have only one auspicious characteristic. Here in this study the SOLED devices are monitored and investigated in a 2D|3D heterostructure with a multidimensional perovskite. It is fond that a 2D|3D heterostructure with a multidimensional perovskite interface induces carrier transmission from the interface, increasing the density of electrons and holes, and increasing their recombination. An interface-engineered perovskite 2D|3D-heterojunction structure is employed to realize the multifunctional photonic device in on-chip, exhibiting overall power conversion efficiencies of photovoltaics up to 21.02% under AM1.5, and external quantum efficiency of the light-emitting diode up to 5.13%. This novel phenomenon is attributed to carrier transfer resulting in a high carrier density and enhanced carrier recombination at the 2D|3D interface.
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