Journal
JOURNAL OF MATERIALS CHEMISTRY A
Volume 7, Issue 4, Pages 1539-1547Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c8ta09724k
Keywords
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Funding
- National Key R&D Program of China [2016YFA0201002]
- NSFC-Guangdong Joint Fund [U1801256]
- NSFC [51803064, 51571094, 51431006, 51561135014]
- Guangdong Provincial Foundation [2016KQNCX035]
- Program for Chang Jiang Scholars and Innovative Research Teams in Universities [IRT_17R40]
- Guangdong Innovative Research Team Program [2013C102]
- Guangdong Provincial Engineering Technology Research Center for Transparent Conductive Materials
- MOE International Laboratory for Optical Information Technologies
- 111 Project
- project SMOSCs [37_220]
- National Center for International Research on Green Optoelectronics (IrGO)
- [16KJ06]
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We demonstrated an efficient multi-functional material, (E)-1,2-bis(5,11-bis(2-(2-ethoxyethoxy)ethyl)-5,11-dihydroindolo[3,2-b]carbazol-2-yl)ethane (BEDCE), obtained by a simple and low-cost solution processing procedure, which can be used as both an interfacial layer in perovskite solar cells (PSCs) and a greenish-yellow light emitter in organic light-emitting diodes (OLEDs). With excellent morphology and interfacial contact due to its elastomeric and amphiphilic properties, the BEDCE layer at the perovskite/Spiro-OMeTAD interface in PSCs significantly improves the short-circuit current and fill factor, enhancing the efficiency from 17.20% to 19.02%. Besides, the first solution-processed non-doped greenish-yellow OLEDs based on elastomeric BEDCE show efficiency and luminance of 4.56 cd A(-1) and 10320 cd m(-2), respectively, which are among the highest performances. Thus, to the best of our knowledge, BEDCE is the first multi-functional material to be utilized in both OLEDs and PSCs with good performances, showing its promising potential applications for various devices.
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