Ultrathin and efficient flexible polymer photovoltaic cells based on stable indium-free multilayer transparent electrodes

Guo, Xiaoyang; Lin, Jie; Chen, Hong; Zhang, Xin; Yi, Fan; Luo, Jinsong; Liu, Xingyuan

doi:10.1039/c2jm33594h

Cited by 29 publications

(28 citation statements)

References 46 publications

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“…As shown in Fig. 2, the root-mean-square roughness of the SAS structure deposited on glass is only 0.97 nm, which is much lower than that of sputter-derived commercial ITO (2.51 nm) and might contribute to the carrier injection and transportation performance21. The high quality surface morphologies can result from the process of electron-beam evaporator deposition, which affects the film deposition, oxidation, and crystallization simultaneously22.…”

Section: Resultsmentioning

confidence: 96%

“…This result indicates that the Ag thickness determines the electrical properties of the SAS electrodes. SAS electrodes with Ag layer thickness of less than 8 nm show higher sheet resistance because of the discontinuous Ag island growth2021. With the thickness of Ag layer increased to 18 nm, the average transmittance (λ = 300–380 nm) of SAS decreases gradually, which can result from the high reflectance of Ag layer.…”

Section: Resultsmentioning

confidence: 99%

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Sb2O3/Ag/Sb2O3 Multilayer Transparent Conducting Films For Ultraviolet Organic Light-emitting Diode

Song

Zhang

Lin

et al. 2017

Sci Rep

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A novel UV transparent conducting films based on Sb2O3/Ag/Sb2O3 (SAS) structure, which were prepared by an electron-beam thermal evaporation at room temperature. This SAS exhibits excellent electrical, optical and stable properties. Especially for UV region, the SAS has high transmittance of 80% at 306 nm and 92% at 335 nm, meanwhile achieving low sheet resistance ( ≤ 10 Ω sq−1). The UV OLED based on the SAS show competitive device performance. The UV OLED obtains the peak of UV electroluminescence at 376 nm and shows a very high maximum EQE of 4.1% with the maximum output power density of 5.18 mW cm−2. These results indicate that the potential of SAS applications in deep UV transparent electrodes and large-scale flexible transparent electronics.

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Section: Resultsmentioning

confidence: 96%

Section: Resultsmentioning

confidence: 99%

Sb2O3/Ag/Sb2O3 Multilayer Transparent Conducting Films For Ultraviolet Organic Light-emitting Diode

Song

Zhang

Lin

et al. 2017

Sci Rep

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“…However, because of its significant drawbacks in flexible form, ITO is not a practical FTE, i.e., it has mechanical instability due to the cracks that develop during repeated bending tests of OSCs, and a high‐temperature annealing process (>300 °C) is required for a low R sh . Therefore, during the past two decades, many studies have been devoted to the development of alternatives to ITO that can be applied to printable large‐area OSCs, e.g., conducting polymers, metal NWs, carbon nanotubes (CNTs), GR, metal meshes or grids, and hybrid electrodes . Therefore, in this section, we will review these new FTEs in terms of their compatibilities with printed large‐area OSCs.…”

Section: Flexible and Transparent Electrodesmentioning

confidence: 99%

Bulk‐Heterojunction Organic Solar Cells: Five Core Technologies for Their Commercialization

et al. 2016

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The past two decades of vigorous interdisciplinary approaches has seen tremendous breakthroughs in both scientific and technological developments of bulk-heterojunction organic solar cells (OSCs) based on nanocomposites of π-conjugated organic semiconductors. Because of their unique functionalities, the OSC field is expected to enable innovative photovoltaic applications that can be difficult to achieve using traditional inorganic solar cells: OSCs are printable, portable, wearable, disposable, biocompatible, and attachable to curved surfaces. The ultimate objective of this field is to develop cost-effective, stable, and high-performance photovoltaic modules fabricated on large-area flexible plastic substrates via high-volume/throughput roll-to-roll printing processing and thus achieve the practical implementation of OSCs. Recently, intensive research efforts into the development of organic materials, processing techniques, interface engineering, and device architectures have led to a remarkable improvement in power conversion efficiencies, exceeding 11%, which has finally brought OSCs close to commercialization. Current research interests are expanding from academic to industrial viewpoints to improve device stability and compatibility with large-scale printing processes, which must be addressed to realize viable applications. Here, both academic and industrial issues are reviewed by highlighting historically monumental research results and recent state-of-the-art progress in OSCs. Moreover, perspectives on five core technologies that affect the realization of the practical use of OSCs are presented, including device efficiency, device stability, flexible and transparent electrodes, module designs, and printing techniques.

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“…Those AL transparent electrodes having a Ag layer thickness of more than 10 nm show a lower sheet resistance, because of the continuous film growth of the Ag layer. 11,12) This indicates that the Ag layer thickness determines the electrical properties of the AL electrodes. The simulation and experimental data confirm that AL transparent electrodes (10/70 nm) possess good optical-electrical properties, thus making them suitable for use in transparent OTFTs.…”

mentioning

confidence: 99%

“…11,15,16) Figure 1(a) shows the calculated contour plots for the transmittance of the AL structures at 550 nm as a function of the Ag and LiF layer thicknesses. The specific details of this calculation method are shown in a previous study.…”

mentioning

confidence: 99%

N-channel transparent organic thin-film transistors with Ag/LiF bilayer transparent source–drain electrodes fabricated by thermal evaporation

Zhang¹,

Lin²,

Luo³

et al. 2014

Appl. Phys. Express

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In this paper, we report the use of Ag/LiF (AL) bilayer transparent source-drain (S/D) electrodes for n-channel F 16 CuPc-based transparent organic thin-film transistors (OTFTs). The transparent electrodes are deposited at room temperature by thermal evaporation, with devices subsequently fabricated without damaging the active layer or breaking the vacuum. Consequently, we obtain transparent OTFTs based on AL bilayer transparent S/D electrodes with good electron mobility of 1.31 ' 10 %2 cm %2 &V %1 &s %1 , a high on/off ratio of 4.2 ' 10 6 , and an average visible range transmittance of 55.6%.

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Ultrathin and efficient flexible polymer photovoltaic cells based on stable indium-free multilayer transparent electrodes

Cited by 29 publications

References 46 publications

Sb2O3/Ag/Sb2O3 Multilayer Transparent Conducting Films For Ultraviolet Organic Light-emitting Diode

Sb2O3/Ag/Sb2O3 Multilayer Transparent Conducting Films For Ultraviolet Organic Light-emitting Diode

Bulk‐Heterojunction Organic Solar Cells: Five Core Technologies for Their Commercialization

N-channel transparent organic thin-film transistors with Ag/LiF bilayer transparent source–drain electrodes fabricated by thermal evaporation

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