Diluted Organic Semiconductors in Photovoltaics

Wang, Chuan FeiLinköpings universitet,Laboratoriet för organisk elektronik,Tekniska fakulteten (författare)

Funding Agencies|Swedish Energy AgencySwedish Energy Agency [45411-1]; Knut and Alice Wallenberg Foundation project "Tail of the Sun"; Swedish Research CouncilSwedish Research Council [2016-05498, 2016-05990]; Swedish Foundation for Strategic ResearchSwedish Foundation for Strategic Research [SE13-0060]; STINT grant [CH2017-7163]; Swedish Government Strategic Research Area in Materials Science on Functional Materials at Linkoping University (faculty grant SFO Mat LiU) [2009 00971]; Stiftelsen for Strategisk Forskning [FFL18-0322]
Incorporation of insulating polymers or molecules into organic semiconductor films, creating so-called diluted organic semiconductors, has been successfully used both in organic field-effect transistors and organic light-emitting diodes to reduce sensitivity to charge traps. However, application of this strategy in organic photovoltaics is challenging due to the complex requirements on the light-absorbing blend layer. Herein, diluted donor-acceptor-insulator ternary organic solar cells are developed to improve mobility and decrease radiative and nonradiative recombination in the active layer. In addition, both thermal and environmental stability of the diluted ternary solar cells are enhanced. Finally, the diluted semiconductor approach enables large-area solar cells to be fabricated where the loss in power density upon cell area upscaling is five times lower than for the equivalent binary cells.

NATURVETENSKAP Kemi Annan kemi hsv//swe
NATURAL SCIENCES Chemical Sciences Other Chemistry Topics hsv//eng
diluted semiconductors; fillers; high bandgap insulators; organic photovoltaics; ternary blends

Liu, XianjieLinköpings universitet,Laboratoriet för organisk elektronik,Tekniska fakulteten(Swepub:liu)xiali21 (författare)
Xiao, YiqunChinese Univ Hong Kong, Peoples R China (författare)
Bergqvist, JonasLinköpings universitet,Biomolekylär och Organisk Elektronik,Tekniska fakulteten(Swepub:liu)jonbe95 (författare)
Lu, XinhuiChinese Univ Hong Kong, Peoples R China (författare)
Gao, FengLinköpings universitet,Biomolekylär och Organisk Elektronik,Tekniska fakulteten(Swepub:liu)fenga88 (författare)
Fahlman, MatsLinköpings universitet,Laboratoriet för organisk elektronik,Tekniska fakulteten(Swepub:liu)matfa21 (författare)
Linköpings universitetLaboratoriet för organisk elektronik (creator_code:org_t)

Av författaren/redakt...: Wang, Chuan Fei; Liu, Xianjie; Xiao, Yiqun; Bergqvist, Jonas; Lu, Xinhui; Gao, Feng; visa fler...; Fahlman, Mats; visa färre...

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