气候变化领域集成服务门户(CCPortal): A universal solution processed interfacial bilayer enabling ohmic contact in organic and hybrid optoelectronic devices

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DOI	10.1039/c9ee02202c
	A universal solution processed interfacial bilayer enabling ohmic contact in organic and hybrid optoelectronic devices
	Troughton J.; Neophytou M.; Gasparini N.; Seitkhan A.; Isikgor F.H.; Song X.; Lin Y.-H.; Liu T.; Faber H.; Yengel E.; Kosco J.; Oszajca M.F.; Hartmeier B.; Rossier M.; Lüchinger N.A.; Tsetseris L.; Snaith H.J.; De Wolf S.; Anthopoulos T.D.; McCulloch I.; Baran D.
发表日期	2020
ISSN	1754-5692
起始页码	268
结束页码	276
卷号	13 期号:1
英文摘要	Optoelectronic devices typically require low-resistance ohmic contacts between the optical active layers and metal electrodes. Failure to make such a contact often results in a Schottky barrier which inhibits charge extraction and, in turn, reduces device performance. Here, we introduce a universal solution processable metal-oxide/organic interfacial bilayer which forms a near-perfect ohmic contact between both organic and inorganic semiconductors and metals. This bilayer comprises a Nb-doped TiO2 metal oxide with enhanced electron mobility and reduced trap density compared to pristine TiO2, in combination with a metal-chelating organic molecule to make an intimate electrical contact with silver metallic electrodes. Using this universal interfacial bilayer, we demonstrate substantial efficiency improvements in organic solar cells (from 9.3% to 12.6% PCE), light emitting diodes (from 0.6 to 2.2 cd W-1) and transistors (from 19.7 to 13.9 V threshold voltage). In particular, a boost in efficiency for perovskite solar cells (from 18.7% up to 20.7% PCE) with up to 83% fill factor is achieved with no-operational lifetime loss for at least 1000 hours under continuous, full-spectrum illumination. © 2020 The Royal Society of Chemistry.
语种	英语
scopus关键词	Efficiency; Electric contactors; Electrodes; Ohmic contacts; Optoelectronic devices; Organic solar cells; Perovskite; Perovskite solar cells; Schottky barrier diodes; Threshold voltage; Titanium dioxide; Device performance; Efficiency improvement; Electrical contacts; Hybrid Optoelectronic Devices; Inorganic semiconductors; Metallic electrodes; Operational lifetime; Universal solutions; Metals; electron; electronic equipment; energy efficiency; equipment; performance assessment; perovskite
来源期刊	Energy and Environmental Science
文献类型	期刊论文
条目标识符	http://gcip.llas.ac.cn/handle/2XKMVOVA/162806
作者单位	King Abdullah University of Science and Technology (KAUST), KAUST Solar Center (KSC), Physical Sciences and Engineering Division (PSE), Thuwal, 23955-6900, Saudi Arabia; Department of Physics, Clarendon Laboratory, University of Oxford, Parks Road, Oxford, OX1 3PU, United Kingdom; Avantama AG Laubisrutistrasse 50, Stäfa, Switzerland; Department of Physics, National Technical University of Athens, Athens, 15780, Greece; Department of Chemistry, Imperial College LondonSW7 2AZ, United Kingdom
推荐引用方式 GB/T 7714	Troughton J.,Neophytou M.,Gasparini N.,et al. A universal solution processed interfacial bilayer enabling ohmic contact in organic and hybrid optoelectronic devices[J],2020,13(1).
APA	Troughton J..,Neophytou M..,Gasparini N..,Seitkhan A..,Isikgor F.H..,...&Baran D..(2020).A universal solution processed interfacial bilayer enabling ohmic contact in organic and hybrid optoelectronic devices.Energy and Environmental Science,13(1).
MLA	Troughton J.,et al."A universal solution processed interfacial bilayer enabling ohmic contact in organic and hybrid optoelectronic devices".Energy and Environmental Science 13.1(2020).