The importance of post-annealing process in the device performance of poly(3-hexylthiophene): Methanofullerene polymer solar cell

Kim, Hee Joo; So, Won‐Wook; Moon, Sang‐Jin

doi:10.1016/j.solmat.2006.11.010

Cited by 105 publications

(65 citation statements)

References 19 publications

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“…Furthermore, comparing the stability of active layers unconfined or confined by an Al cathode, phase segregation was reported to occur at longer time in the latter case due to the confining effects of the Al cathode [12,[20][21].…”

Section: Introductionmentioning

confidence: 99%

Morphology and photochemical stability of P3HT:PCBM active layers of organic solar cells

Dupuis

Tournebize

Bussière

et al. 2011

Eur. Phys. J. Appl. Phys.

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We report on the effects of continuous UV-visible light illumination at 60°C in the absence of oxygen on P3HT:PCBM blend films commonly used active layer of bulk heterojunction solar cells. A full description of the behavior of P3HT:PCBM blend films either unconfined or confined by an Al cathode and a PEDOT:PSS layer during annealing treatment and irradiation is provided. We also focused on the impact of the P3HT-type on the photostability. It was shown that the microstructure of P3HT dramatically influenced the photodegradation process of P3HT thin films deposited on inert substrate. The rate of photodegradation process was decreased when P3HT was blended with PCBM. It was shown that the photostability of the 2 active layer was not influenced by a PEDOT-PSS sub-layer. Solar cells were then fabricated from high-regioregular P3HT. Many large PCBM crystals were observed in P3HT:PCBM blend films and it was shown that the top surface of the active layer in contact with the Al cathode was nearly entirely composed of P3HT. Both results account for the low performances of the devices. Finally, photo-ageing experiments provoked a rapid failure of the Al cathodes which was tentatively attributed to an increase of internal strain within the devices.

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Section: Introductionmentioning

confidence: 99%

Morphology and photochemical stability of P3HT:PCBM active layers of organic solar cells

Dupuis

Tournebize

Bussière

et al. 2011

Eur. Phys. J. Appl. Phys.

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“…[ 57 ] Approximately half of the publications dealing with P3HT:PCBM have been made with either preproduction or postproduction thermal annealing (Figure 3 c, 3 d).…”

mentioning

confidence: 99%

P3HT:PCBM, Best Seller in Polymer Photovoltaic Research

2011

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In the fi eld of polymer-based photovoltaic cells, poly(3-hexylthiophene) (P3HT) and 1-(3-methoxycarbonyl)propyl-1-phenyl[6,6]C₆₁ (PCBM) are, to date, the most-studied active materials around the world for the bulk-heterojunction structure. Various power-conversion effi ciencies are reported up to approximately 5%. This Research News article is focused on a survey of the tremendous literature published between 2002 and 2010 that exhibits solar cells based on blends of P3HT and PCBM.

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“…The efficiency of the prepared photovoltaic devices increased with increasing of dopants to be maximum value at the ratio of doping as 30% doped which exhibited the best photovoltaic performance, the value of Voc is 0.48 V, Jsc is 22.999 mA/cm², FF is 0.2842 and ƞ is 3.0193% which reflected a better power conversion efficiency compared with other devices because of the absorption of incident light was slightly high furthermore, have excitation states which are increased the generated excitons (V. S. Arunachalam and E.L.Fleischer, 2008). The efficiency of the 20%doped decrease comparing with 10% and 30% that, was because surface morphology of the sample was smooth which led to less amount of the absorbed light and given low electron hopping transport, in other words, surface roughness of the active layer considered as important parameter because of its increase the photo-generated charge carriers near the site of contact between active layer and metallic electrode which support high efficient generation, extraction, collection of the photo-generated charge carriers and then the better power conversion efficiency was resulted (Yamamoto K et al, 1998;Riedel I. et al, 2004;Heejoo Kim et al, 2006;Heejoo Kim et al, 2007;Gang Li et al, 2005;Wanli Ma et al, 2005). Also the influence of shunt resistance on short circuit current was resulted due to increase the recombination of charge carrier near the dissociated site which was clear respect to doping process as 20% which led to decrease the power conversion efficiency (L.-M. Chen et al, 2009).…”

Section: J-v Characterization Of Pot and Doped Pot Solar Cell Devicesmentioning

confidence: 99%

Effect Of Cobalt’s Chloride On The Optical Properties Of Poly (O-Toluidine) And Study Of It’s Organic/Inorganic Solar Cell

Alfahed

Badran

Hassan

2016

ESJ

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Preparation of poly (o-toluidine) was doped by different volume ratios of cobalt chloride and characterized by (FT-IR, XRD and SEM). The results showed that the intensity of absorption increased while energy gaps of the prepared polymer decreased with respect to increasing ratio of the dopant where the direct and indirect energy gaps were calculated, in addition to edge of the absorption. Photovoltaic device was fabricated by deposit the prepared polymer on the n-type silicon by spin coating method, so the batter efficiency of the prepared devices was 3.02% which was tested under dark and illumination with intensity of 100mW/cm².

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The importance of post-annealing process in the device performance of poly(3-hexylthiophene): Methanofullerene polymer solar cell

Cited by 105 publications

References 19 publications

Morphology and photochemical stability of P3HT:PCBM active layers of organic solar cells

Morphology and photochemical stability of P3HT:PCBM active layers of organic solar cells

P3HT:PCBM, Best Seller in Polymer Photovoltaic Research

Effect Of Cobalt’s Chloride On The Optical Properties Of Poly (O-Toluidine) And Study Of It’s Organic/Inorganic Solar Cell

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