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Slowup of Bimolecular Recombination in Organic Polymer Solar Cells

100%

Nunzi J., Juška G., Jean F., Arlauskas K.

Acta Physica Polonica A

2005

vol. 107

issue 2

377-380

For the retrieval of best polymers for effective organic solar cells as testing parameter we have used the coefficient of bimolecular recombination (B). The B measurement demonstrated that in pure MEH-PPV layers its value is close to the value of Langevin recombination coefficient (B_L), while in case of perylene/MEH-PPV junction layers the ratio B/B_L≅0.013, and in blends of MEH-PPV with PCBM B/B_L<:0.01.

Photo- and thermoinduced ring opening reaction of 2[(1,3,3-trimethylindoline-2(1H)-yliden)propen-1-yl]-3,3-dimethylindolino[1,2-b]-oxazolidine in polymer films

100%

Petkov I., Charra F., Nunzi J., Deligeorgiev T.

Open Chemistry

2004

vol. 2

issue 2

290-301

The influence of UV light and temperature on poly(methylmethacrylate) (PMMA) and poly(vinylchloride) (PVC) films, doped with 2[(1,3,3-trimethylindoline-2(1H)-yliden)propen-1-yl]-3,3-dimethylindolino[1,2-b]-oxazolidine has been investigated. The radiation-induced colour was analyzed spectrophotometrically at the maximum of the absorption peak at 560 nm. The effect of the temperature on unirradiated and irradiated films was studied. The results demonstrate a strong photochromic and a weak thermochromic behaviour of the PMMA and PVC films. The relationship of photocolouration-thermal decolouration is discussed based on the spectral results reported here.

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1 Acta Physica Polonica A

1 Open Chemistry

1 2005

1 2004

2 Nunzi J.

1 Arlauskas K.

1 Charra F.

1 Deligeorgiev T.

1 Jean F.

1 Juška G.

1 Petkov I.

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Slowup of Bimolecular Recombination in Organic Polymer Solar Cells

Photo- and thermoinduced ring opening reaction of 2[(1,3,3-trimethylindoline-2(1H)-yliden)propen-1-yl]-3,3-dimethylindolino[1,2-b]-oxazolidine in polymer films