Effects of Anodic Buffer Layer in Top-Illuminated Organic Solar Cell with Silver Electrodes

Chiu, Tien‐Lung; Mandal, Himadri; Zhang, Mi; Yang, Shun-Po; Chuang, Ya-Ting

doi:10.1155/2013/131984

Cited by 8 publications

(3 citation statements)

References 43 publications

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“…Such modied surface could provide a good wettability. 30 The inclusion of thin PVP layer in Device B shows signicant enhancement in FF as compared to Device A due to noteworthy decrease in contact resistance of the device. Thus, in order to investigate the quality of interfacial contact made between the photoactive and ZnO layer, series resistance (R s ) of both devices were calculated.…”

Section: Resultsmentioning

confidence: 98%

Effectiveness of a polyvinylpyrrolidone interlayer on a zinc oxide film for interfacial modification in inverted polymer solar cells

et al. 2014

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Section: Resultsmentioning

confidence: 98%

Effectiveness of a polyvinylpyrrolidone interlayer on a zinc oxide film for interfacial modification in inverted polymer solar cells

et al. 2014

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“…The measured spectra are given in Figure S13 in the Supporting Information. The refractive index of BCP was acquired from literature . Co‐evaporation method was utilized to precisely control the thickness of the MAPI .…”

Section: Discussionmentioning

confidence: 99%

Guideline for Optical Optimization of Planar Perovskite Solar Cells

Koç

Soltanpoor

Bektaş

et al. 2019

Advanced Optical Materials

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coefficient and carrier mobilities, and long minority carrier lifetimes. [1][2][3][4][5] Vast amount of research has been conducted on further improving stability and increasing the efficiency of perovskite solar cells. One way of boosting the efficiency of perovskite solar cells is maximizing the photocurrent generation by light management. Light management in perovskite solar cells can be provided by surface texturing, [6][7][8][9][10][11][12][13] plasmonics, [14][15][16] antireflective films on the glass substrate, [17,18] vertical cavity design, [19][20][21][22][23][24][25][26] and photon recycling. [27,28] Among them, vertical cavity design is popular since it does not require any additional material other than what is needed to fabricate a perovskite solar cell, guaranteeing its low-cost.Ball et al. reported optical simulation of glass/fluorine-doped tin oxide (FTO)/TiO 2 /CH 3 NH 3 PbI 3 (MAPI)/Spiro-OMeTAD/Au solar cell structure based on transfer matrix method (TMM), where they reported local maxima in the modeled short circuit current at MAPI thicknesses of ≈190, ≈320, ≈470, and ≈630 nm thanks to favorable interference conditions. [21] However, they did not extend their simulations to cover transport materials (TLs) with different refractive indices. In a recent study, Grant et al. published a comprehensive optical simulation study on MAPI/silicon tandem solar cells using the finite element method. [25] They divided the ideal refractive index of a front transport layer (FTL) of the perovskite top solar cell into two regions: those larger and smaller than the refractive index of MAPI at 1000 nm of wavelength. However, this separation is incapable of explaining single junction perovskite solar cells targeting shorter wavelengths. Filipic et al. provided vertical cavity designs for 2-and 4-terminal (2T and 4T)-MAPI/ silicon tandem solar cells in which, MAPI solar cell is composed of glass, front indium tin oxide (ITO), Spiro-OMeTAD, CH 3 NH 3 PbI 3 , TiO 2 , and rear ITO layers. [23] It is important to note that optimum thickness of a transport layer changes based on 2T and 4T configurations since in 2T configuration nonoptimum layer thicknesses can lead to a photocurrent reduction in the perovskite top cell and its increase in the silicon bottom cell. Therefore, an optical cavity design of a perovskite solar cell resembles that of perovskite top cell in a 4T tandem cell geometry, yet, the effect of replacing the rear solar cell with a planar metal is optically substantial. Although an FTL refractive index (n FTL ) around that of perovskite is commonly suggested in the literature, [20,25] there is no Organometallic halide perovskite solar cells have emerged as a versatile photovoltaic technology with soaring efficiencies. Planar configuration, in particular, has been a structure of choice thanks to its lower temperature processing, compatibility with tandem solar cells, and potential in commercialization. Despite all the breakthroughs in the field, the optical mechanisms leading to highly efficient perovsk...

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“…As for intrinsic stability, the degradation mechanism, which affects the active layer [16,17], the transport layers [18,19], the interfaces [20,21] and the contacts [22], has not been well understood. Numerous approaches and techniques, such as adopting stable electrode materials and inserting buffer layers, have been conducted to investigate the intrinsic mechanisms resulting in device degradation [23][24][25][26]. Inorganic and organic materials with low work functions, such as lithium fluoride (LiF), sodium chloride (NaCl), cesium fluoride (CsF), cesium carbonate (Cs 2 CO 3 ), 4,7-di(phenyl)-1,10-phenanthroline (BPhen) and bathocuproine (BCP), have been demonstrated to improve device performance and extend its long-term stability [8,[27][28][29][30][31].…”

Section: Introductionmentioning

confidence: 99%

Effect of a cathode buffer layer on the stability of organic solar cells

Wang

Zeng

Chen

et al. 2015

Semicond. Sci. Technol.

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We present the effect of a cathode buffer layer on the performance and stability of organic photovoltaics (OPVs) based on a blend of poly(3-hexylthiophene) (P3HT) and [6,6]-phenyl C61butyric acid methyl ester (PCBM). Six kinds of cathode buffer layers, i.e. lithium fluoride, sodium chloride, NaCl/Mg, tris-(8-hydroxy-quinoline) aluminum, bathocuproine and 1,3,5-tris (2-N-phenylbenzimidazolyl)benzene, were inserted between the photoactive layer and an Al cathode, which played a dominant role in the device's performance. Devices with the cathode buffer layers above exhibited improved performance. The degradation of these devices with encapsulation was further investigated in an inert atmosphere. The results indicated that devices with inorganic cathode buffer layers exhibited better stability than those with organic cathode buffer layers.

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Effects of Anodic Buffer Layer in Top-Illuminated Organic Solar Cell with Silver Electrodes

Cited by 8 publications

References 43 publications

Effectiveness of a polyvinylpyrrolidone interlayer on a zinc oxide film for interfacial modification in inverted polymer solar cells

Effectiveness of a polyvinylpyrrolidone interlayer on a zinc oxide film for interfacial modification in inverted polymer solar cells

Guideline for Optical Optimization of Planar Perovskite Solar Cells

Effect of a cathode buffer layer on the stability of organic solar cells

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