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Transition metal-ca...
Transition metal-catalysed molecular n-doping of organic semiconductors
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- Guo, Han (author)
- Southern Univ Sci & Technol SUSTech, Peoples R China
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- Yang, Chiyuan (author)
- Linköpings universitet,Laboratoriet för organisk elektronik,Tekniska fakulteten
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- Zhang, Xianhe (author)
- Southern Univ Sci & Technol SUSTech, Peoples R China
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- Motta, Alessandro (author)
- Univ Roma La Sapienza, Italy; UdR Roma, Italy
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- Feng, Kui (author)
- Southern Univ Sci & Technol SUSTech, Peoples R China
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- Xia, Yu (author)
- Flexterra Corp, IL 60077 USA
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- Shi, Yongqiang (author)
- Southern Univ Sci & Technol SUSTech, Peoples R China
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- Wu, Ziang (author)
- Department of Chemistry, Korea University, Seoul, South Korea
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- Yang, Kun (author)
- Southern Univ Sci & Technol SUSTech, Peoples R China
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- Chen, Jianhua (author)
- Southern Univ Sci & Technol SUSTech, Peoples R China
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- Liao, Qiaogan (author)
- Southern Univ Sci & Technol SUSTech, Peoples R China
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- Tang, Yumin (author)
- Southern Univ Sci & Technol SUSTech, Peoples R China
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- Sun, Huiliang (author)
- Southern Univ Sci & Technol SUSTech, Peoples R China
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- Woo, Han Young (author)
- Korea Univ, South Korea
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- Fabiano, Simone, 1985- (author)
- Linköpings universitet,Laboratoriet för organisk elektronik,Tekniska fakulteten
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- Facchetti, Antonio (author)
- Linköpings universitet,Laboratoriet för organisk elektronik,Tekniska fakulteten,Flexterra Corp, IL 60077 USA; Northwestern Univ, IL 60208 USA; Northwestern Univ, IL 60208 USA
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- Guo, Xugang (author)
- Southern Univ Sci & Technol SUSTech, Peoples R China
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(creator_code:org_t)
- 2021-11-03
- 2021
- English.
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In: Nature. - London, United Kingdom : Nature Publishing Group. - 0028-0836 .- 1476-4687. ; 599:7883, s. 67-73
- Related links:
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https://liu.diva-por... (primary) (Raw object)
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https://urn.kb.se/re...
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Abstract
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- Electron doping of organic semiconductors is typically inefficient, but here a precursor molecular dopant is used to deliver higher n-doping efficiency in a much shorter doping time. Chemical doping is a key process for investigating charge transport in organic semiconductors and improving certain (opto)electronic devices(1-9). N(electron)-doping is fundamentally more challenging than p(hole)-doping and typically achieves a very low doping efficiency (eta) of less than 10%(1,10). An efficient molecular n-dopant should simultaneously exhibit a high reducing power and air stability for broad applicability(1,5,6,9,11), which is very challenging. Here we show a general concept of catalysed n-doping of organic semiconductors using air-stable precursor-type molecular dopants. Incorporation of a transition metal (for example, Pt, Au, Pd) as vapour-deposited nanoparticles or solution-processable organometallic complexes (for example, Pd-2(dba)(3)) catalyses the reaction, as assessed by experimental and theoretical evidence, enabling greatly increased eta in a much shorter doping time and high electrical conductivities (above 100 S cm(-1); ref. (12)). This methodology has technological implications for realizing improved semiconductor devices and offers a broad exploration space of ternary systems comprising catalysts, molecular dopants and semiconductors, thus opening new opportunities in n-doping research and applications(12, 13).
Subject headings
- NATURVETENSKAP -- Fysik -- Den kondenserade materiens fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Condensed Matter Physics (hsv//eng)
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- art (subject category)
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Nature
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- By the author/editor
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Guo, Han
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Yang, Chiyuan
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Zhang, Xianhe
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Motta, Alessandr ...
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Feng, Kui
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Xia, Yu
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Shi, Yongqiang
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Wu, Ziang
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Yang, Kun
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Chen, Jianhua
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Liao, Qiaogan
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Tang, Yumin
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Sun, Huiliang
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Woo, Han Young
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Fabiano, Simone, ...
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Facchetti, Anton ...
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Guo, Xugang
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- NATURAL SCIENCES
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NATURAL SCIENCES
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and Physical Science ...
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and Condensed Matter ...
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Nature
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Linköping University