Efficient Bulk Heterojunction Solar Cells Based on a Broadly Absorbing Phenylenevinylene Copolymer Containing Thiophene and Pyrrole Rings

Mikroyannidis, John A.; Kabanakis, A. N.; Suresh, P.; Sharma, G. D.

doi:10.1021/jp112320b

Cited by 22 publications

(9 citation statements)

References 94 publications

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“…The ideal materials should possess easy tunability of their energy and absorption to facilitate charge generation and transport. Examples reported by Mikroyannidis et al use modified-PCBM with cyanovinylene 4-nitrophenyl dye segments, through the further Prato reaction of PC 61 BM [86][87][88]. It showed a broader and stronger absorption in the visible region between 400 and 750 nm.…”

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confidence: 99%

Functional fullerenes for organic photovoltaics

2012

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confidence: 99%

Functional fullerenes for organic photovoltaics

2012

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“…Figure shows the current–voltage ( J–V ) characteristics of the device based on P:modi-PC 60 BM blend cast from THF solvent, and photovoltaic parameters are listed in Table . We have also listed the photovoltaic parameters of the P:PC 60 BM blend for comparison, as previously reported in our published research paper . The device with P:modi-PC 60 BM blend showed PCE of 2.35% ( J sc = 5.56 mA/cm 2 , V oc = 0.88 V and FF 0.48), which is higher than that for P:PC 60 BM blend with PCE of 1.50% (photovoltaic parameters are complied in Table ).…”

Section: Results and Discussionmentioning

confidence: 81%

Diarylmethanofullerene: Efficient Polymer Solar Cells with Low-Band-Gap Copolymer

et al. 2013

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The photovoltaic performance of the polymer bulk heterojunction solar cells based on the low-band-gap D− A copolymer P as donor and modified fullerene (modi-PC 60 BM) as acceptor was in. We have achieved power conversion efficiency (PCE) of ∼2.35% for a polymer solar cell with modi-PC 60 BM as an electron acceptor in bulk heterojunction active layer, which is higher than that for PC 60 BM counterpart (1.50%). The increase in the PCE has been attributed to the increase in absorption in visible and higher LUMO level of modi-PC 60 BM, resulting in enhancement in J sc and V oc , respectively. In the device fabrications, we studied the effect of the solvent additive and modified PEDOT:PSS as a hole transport layer. The PCE of the polymer solar cell was improved up to 3.63% when the P:modi-PC 60 BM active layer was processed with the addition of CN as an additive in the THF solution (CN/THF), which is mainly attributed to more balanced charge transport due to the increased crystallinity of P in the blend. The PCE of polymer solar cell based on the active layer processed from CN/THF has been further improved up to 4.73% when a modified PEDOT:PSS (acetone-treated) was used as the hole transport layer. This increase in the PCE is mainly due to the enhancement in J sc and FF and may be attributed to the improvement in the conductivity induced by the polar solvent with high dipole moment, leading to more efficient collection of charge carrier by the anode.

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“…所以在没有对器件进行热处理的条件下, PCBn-BA 与 P3HT 共混制备的太阳能电池效率(0.78%)比 PCBM(0.59%)高. Troshin 等人 [35] 研究了不同个数酯基修饰对太阳能电池性能的影响, 首先用循环伏安曹镛研究小组 [36] 将 PCBM 的甲酯基用不同长度 https://engine.scichina.com/doi/10.1360/972012-955 Mikroyannidis 等人 [37] 在 PCBM 的酯基部位通过相比于 PCBM (V oc = 0.68 V, J sc = 8.0 mA cm −2 )都有所提高. 而且, F-NHCS 与其他共轭聚合物给体材料共混制备的太阳能电池效率相比于 PCBM 体系也有所提高 [38,39] , 说明 F-NHCS 是一种很有发展前景的受体材料.…”

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Fullerene derivatives as acceptors for polymer solar cells

Meng

Shu

et al. 2012

Chin. Sci. Bull.

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Polymer solar cells (PSCs) have drawn broad attention because of their advantages of low cost, light weight, and flexibility. Tremendous progress has been made on polymer solar cells to achieve high power conversion efficiency (PCE), and PCE of PSCs has already reached to 8%. The fullerene derivative is used as the excellent electron acceptor for PSCs, and the development of highly efficient fullerene acceptors has become the hot research field in recent years. In this paper, we reviewed the recent research progress on several types of fullerene derivative acceptors and heir relevant photovoltaic device properties, which could afford some reference for the development of high performance fullerene derivative acceptors.

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Efficient Bulk Heterojunction Solar Cells Based on a Broadly Absorbing Phenylenevinylene Copolymer Containing Thiophene and Pyrrole Rings

Cited by 22 publications

References 94 publications

Functional fullerenes for organic photovoltaics

Functional fullerenes for organic photovoltaics

Diarylmethanofullerene: Efficient Polymer Solar Cells with Low-Band-Gap Copolymer

Fullerene derivatives as acceptors for polymer solar cells

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