Laminated fabrication of polymeric photovoltaic diodes

Granström, Magnus; Petritsch, K.; Arias, Ana Claudia; Lux, Andrea; Andersson, Mats R.; Friend, Richard H.

doi:10.1038/26183

Cited by 1,296 publications

(749 citation statements)

References 25 publications

Supporting

Mentioning

738

Contrasting

Unclassified

Order By: Relevance

“…11,[23][24][25][26][27][28] Currently, the best performing polymer blend PV devices yield maximum EQEs of up to 52%; AM1Á5 (100 mW/cm 2 ) short-circuit currents between 3 and 4 mA/cm 2 and open-circuit voltages between 1 and 1Á5 V. The highest reported AM1Á5 (100 mW/cm 2 ) power conversion efficiencies range between 1Á5 and 1Á8%. 11,25,28 Besides the low fill factors, the performance is also limited by the sub-linear increase in the short-circuit current with illumination intensity, this is at least the case for PV devices based on MDMO-PPV and PF1CVTP.…”

Section: Power Conversion Efficiency (H Pce )mentioning

confidence: 99%

Nanoscale structure of solar cells based on pure conjugated polymer blends

Veenstra

Loos

Kroon

2007

Progress in Photovoltaics

View full text Add to dashboard Cite

This paper gives an overview of the status of photovoltaic devices based on blends of semiconducting polymers. The polymer blends form the bulk heterojunction in these photovoltaic devices. The fundamental mechanisms governing the performance of these devices are discussed as well as the specificities of these all-polymer solar cells. The morphology of the polymer blend layer is expected to influence the device performance of these bulk heterojunctions. An overview is presented of factors that influence the morphology of the active layer of polymer blend photovoltaic devices together with a summary of tools available to study the structure of this layer. An advanced electron microscopy technique is applied to study the morphology of polymer blends of MDMO-PPV and PCNEPV with differing molecular weights. It is shown that the molecular weight of the polymer influences the typical domain size from $200 nm down to less than 5 nm in these bulk heterojunction PV devices. No strong relation is observed between the typical length scale of the phase separated domains and the measured external quantum efficiency, indicating that the phases are intermixed.

show abstract

Section: Power Conversion Efficiency (H Pce )mentioning

confidence: 99%

Nanoscale structure of solar cells based on pure conjugated polymer blends

Veenstra

Loos

Kroon

2007

Progress in Photovoltaics

View full text Add to dashboard Cite

show abstract

“…Organic thin-film solar cells have been developed as next-generation systems, and they have advantages of low cost, flexibility and light weight [1][2][3]. They can be fabricated at low temperatures by spin-coating and printing methods [4,5].…”

Section: Introductionmentioning

confidence: 99%

Fabrication and characterization of P3HT:PCBM-based thin film organic solar cells with zinc phthalocyanine

Maruhashi

Oku

Suzuki

et al. 2015

AIP Conference Proceedings

View full text Add to dashboard Cite

“…1͒ has fueled research towards organic photovoltaic devices. [2][3][4][5] Upon photoexcitation of an electron-hole pair, the transfer of electrons from the polymer onto the fullerene leads to an efficient separation of charges that prevents luminescent recombination and is required in photovoltaic devices. Since the charge transfer can only occur if the photoexcitation on the polymer is within less than 10 nm of a C 60 molecule, [6][7][8] close proximity of polymer and fullerene is essential for efficient charge separation.…”

Section: Introductionmentioning

confidence: 99%

Thickness dependence,in situmeasurements, and morphology of thermally controlled interdiffusion in polymer-C60photovoltaic devices

2004

View full text Add to dashboard Cite

A series of detailed studies is presented in which heat-induced interdiffusion is used to create a gradient bulk-heterojunction of 2-methoxy-5-(2Ј-ethylhexyloxy͒-1,4-phenylenevinylene ͑MEH-PPV͒ copolymer and C 60 . Starting from a bilayer of spin-cast MEH-PPV and sublimed C 60 , films are heated in the vicinity of the glass transition temperature of the polymer to induce an interdiffusion of polymer and fullerene. Variation of the polymer layer thickness shows that the photocurrents increase with decreasing layer thickness within the examined thickness regime as transport of the separated charges out of the film is improved. The interdiffusion was observed in situ by monitoring the photocurrents during the heating process and exhibited a rapid rise during the first five minutes. Cross-sectional transmission electron microscopy studies show that C 60 forms clusters of up to 30 nm in diameter in the polymer bulk of the interdiffused devices. This clustering of the fullerene molecules puts a significant constraint on the interdiffusion process that can be alleviated by use of donor-acceptor combinations with better miscibility.

show abstract

Laminated fabrication of polymeric photovoltaic diodes

Cited by 1,296 publications

References 25 publications

Nanoscale structure of solar cells based on pure conjugated polymer blends

Nanoscale structure of solar cells based on pure conjugated polymer blends

Fabrication and characterization of P3HT:PCBM-based thin film organic solar cells with zinc phthalocyanine

Thickness dependence,in situmeasurements, and morphology of thermally controlled interdiffusion in polymer-C60photovoltaic devices

Contact Info

Product

Resources

About