Optimized design of active layers in organic donor-acceptor solar cells

Ren, Ju; Jian-bang, Zheng; Jian-Lin, Zhao

doi:10.7498/aps.56.2868

Cited by 6 publications

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“…As a result, Alq 3 can absorb the light reflected from the Ag cathode and change the light distribution in the device. [22,23] The absorption spectra of devices without and with Alq 3 or Bphen as a buffer layer are shown in Fig. 5.…”

Section: Resultsmentioning

confidence: 99%

Photocurrent analysis of organic photovoltaic cells based on CuPc/C₆₀with Alq₃as a buffer layer

Wang

Zang

et al. 2010

Chinese Phys. B

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The performance of an organic photovoltaic (OPV) cell based on copper phthalocyanine CuPc/C 60 with a tris-(8-hydroxyquinolinato) aluminum (Alq 3 ) buffer layer has been investigated. It was found that the power conversion efficiency of the device was 1.51% under illumination with an intensity of 100 mW/cm 2 , which was limited by a squareroot dependence of the photocurrent on voltage. The photocurrent-optical power density characteristics showed that the OPV cell had a significant space-charge limited photocurrent with a varied saturation voltage and a three quarters power dependence on optical power density. Also, the absorption spectrum was measured by a spectrophotometer, and the results showed that the additional Alq 3 layer has a minor effect on photocurrent generation.

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Section: Resultsmentioning

confidence: 99%

Photocurrent analysis of organic photovoltaic cells based on CuPc/C₆₀with Alq₃as a buffer layer

Wang

Zang

et al. 2010

Chinese Phys. B

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Investigation on photocurrent of ZnPc/C60 solar cells

Wu¹,

Li²,

Meng³

et al. 2011

Acta Phys. Sin.

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Solar cells with structure of ZnPc (20 nm)/C60 (10 nm) are fabricated by thermal evaporation. The photocurrent density (Jph) expressed by effective applied voltage (V0-Va) and light intensity (I) is derived from an analytical method, and it is shown that the results from the model are in good agreement with experimental results. The short-circuit current density (JSC) exhibits a nearly linear dependence on light intensity, which is partially determined by effective applied voltage. Thermal annealing treatment under an optimal condition of 100 ℃ and 20 min, improves JSC by 43.8%, lengthening its attenuation constant from 5.6h to 22.2 h, which is attributed to the improvement on interfacial morphology and the decrease of series resistance due to better contact of the layers.

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Optimization of quantum dot solar cells based on structures of GaAs/InAs-GaAs/ZnSe

姜冰一¹,

郑建邦²,

王春锋³

et al. 2012

Acta Phys. Sin.

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Based on the structures of GaAs/InAs-GaAs/ZnSe P-i-N quantum dot solar cells, according to the optical principle and diffusion theory, mathematic model describing the relationship between photogenerated electron current density and thickness of layer is proposed, and the effect of the quantum dot layer on the characteristics of solar cell is analyzed quantitatively for improving the power conversion efficiency of quantum dot solar cells. Simulations show that the optimal thicknesses of P(GaAs) and N(ZnSe) are 1541 nm and 78 nm respectively when the i layer thickness is 3000 nm, and the power conversion efficiency of solar cell is 20.1% at a single wavelength; At the same time, the volume of quantum dot and the temperature affect I-V property of quantum dot solar cell, and the value of open voltage reduces with the increase of the volume of quantum dot and temperature, so that the power conversion efficiency will be reduced.

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Optimized design of active layers in organic donor-acceptor solar cells

Cited by 6 publications

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Photocurrent analysis of organic photovoltaic cells based on CuPc/C₆₀with Alq₃as a buffer layer

Photocurrent analysis of organic photovoltaic cells based on CuPc/C₆₀with Alq₃as a buffer layer

Investigation on photocurrent of ZnPc/C60 solar cells

Optimization of quantum dot solar cells based on structures of GaAs/InAs-GaAs/ZnSe

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Optimized design of active layers in organic donor-acceptor solar cells

Cited by 6 publications

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Photocurrent analysis of organic photovoltaic cells based on CuPc/C60with Alq3as a buffer layer

Photocurrent analysis of organic photovoltaic cells based on CuPc/C60with Alq3as a buffer layer

Investigation on photocurrent of ZnPc/C60 solar cells

Optimization of quantum dot solar cells based on structures of GaAs/InAs-GaAs/ZnSe

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Product

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Photocurrent analysis of organic photovoltaic cells based on CuPc/C₆₀with Alq₃as a buffer layer

Photocurrent analysis of organic photovoltaic cells based on CuPc/C₆₀with Alq₃as a buffer layer