Fully printed organic tandem solar cells using solution-processed silver nanowires and opaque silver as charge collecting electrodes

Guo, Fei; Li, Ning; Radmilović, V.; Radmilović, Velimir; Turbiez, Mathieu; Spiecker, Erdmann; Forberich, Karen; Brabec, Christoph J.

doi:10.1039/c5ee00184f

Cited by 93 publications

(78 citation statements)

References 45 publications

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“…The bulk/TOF mobilities of amine-based hole transporters that are commonly used in organic light-emitting diode (OLED) devices can be evaluated when polystyrene (PS) is employed as the gate dielectric layer in organic TFTs. In contrast to a PS gate dielectric layer, TFT mobilities are 1-2 orders lower than the bulk values for organic semiconductors grown on SiO 2 . [ 23 ] Temperaturedependent measurements were carried out to examine the origins of reduced mobilities.…”

Section: Doi: 101002/aelm201500273mentioning

confidence: 99%

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Probing Bulk Transport, Interfacial Disorders, and Molecular Orientations of Amorphous Semiconductors in a Thin‐Film Transistor Configuration

Sit

Cheung

Chan

et al. 2016

Adv Elect Materials

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Thin film transistors (TFTs) can be used to determine the bulk‐like mobilities of amorphous semiconductors. Different amine‐based organic hole transporting materials (HTs) used in organic light‐emitting diodes have been investigated. In addition, the present study also measures the TFT hole mobilities of two iridium phosphors: Ir(ppy)3 and Ir(piq)3. These materials are grown separately on SiO2 and polystyrene (PS). On SiO2, the TFT mobilities are found to be 1–2 orders smaller than the bulk values obtained by time‐of‐flight (TOF) technique. On PS gate dielectric layer, the TFT mobilities are in good agreement TOF data. Only 10 nm of organic semiconductor is sufficient for TFTs to achieve TOF mobilities. Using the Gaussian disorder model, it is found that on SiO2 surface, when compared to the bulk values, the energetic disorders (s) of the HTs increase and simultaneously, the high temperature limits (µ∞) of the carrier mobilities decrease. Both s and µ∞ contribute to the reduction of the carrier mobility. The increase in s is related to the presence of randomly oriented polar Si‐O bonds. The reduction of µ∞ on SiO2 is related to the orientations of the more planar molecules which tend to lie horizontally on the surface.

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Section: Doi: 101002/aelm201500273mentioning

confidence: 99%

“…[1][2][3][4][5][6] So far, organic light-emitting diodes have been the most successful for device applications. Many commercial products are now available.…”

Section: Introductionmentioning

confidence: 99%

Probing Bulk Transport, Interfacial Disorders, and Molecular Orientations of Amorphous Semiconductors in a Thin‐Film Transistor Configuration

Sit

Cheung

Chan

et al. 2016

Adv Elect Materials

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“…Furthermore, upon scaling up devices, many silver inks show severe wetting and adhesion problems on glass, as exemplified in the inset of Figure a. In a previous study, thin hygroscopic PEDOT:PSS adhesion layers were used to improve adhesion . Hygroscopic adhesion layers, however, may change their properties and are difficult to process in air.…”

Section: Resultsmentioning

confidence: 99%

Organic Solar Modules: Fully Doctor Bladed on Glass in Air

et al. 2017

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For future integration into building facades or overhead glazing, the direct deposition of organic solar modules on glass substrates in sheet‐to‐sheet processes may be more cost efficient than postproduction lamination. Complying with the special requirements for the deposition of the layer stack on glass substrates, we report on all‐doctor‐bladed organic solar modules yielding power conversion efficiencies of 4.5 and 3.6 % on photoactive areas of 1 and 20 cm2, respectively. The bottom electrode is doctor bladed from a silver ink atop an adhesion enhancing primer. The top electrode is applied from silver nanowires, dispersed in poly(3,4‐ethylenedioxythiophene):poly(styrenesulfonate) (PEDOT:PSS), which thereby avoids any visible bus bars and reduces shading of the active layer. Importantly, all layers are deposited under ambient conditions by using only non‐chlorinated, eco‐compatible solvents.

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“…Optical spacer was used to shift the optical field distribution inside the active layers for the inverted OPVs [14]. Besides the rational material design and efficient interface engineering, the fabrication process of tandem cells has also made advances, such as, fully printed as well as air-processed tandem cells [15,16]. In addition to the conventional series-connected tandem cells, recently emerged semi-transparent parallel-connected tandem cells also received much attention, and the quantitative analysis of the color Synthetic Metals j o u r n a l h o m e p a g e : w w w .…”

Section: Introductionmentioning

confidence: 99%

Effect of 3,4,9,10-perylenetetracarboxylic bisbenzimidazole (PTCBI) as well as bathocuproine (BCP) and Ag interlayer thickness on the performance of organic tandem solar cells

Zheng

Wang

et al. 2016

Synthetic Metals

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Fully printed organic tandem solar cells using solution-processed silver nanowires and opaque silver as charge collecting electrodes

Abstract: Fully printed organic tandem solar cells using solution-processed silver nanowires and opaque silver as charge collecting electrodes

Cited by 93 publications

References 45 publications

Probing Bulk Transport, Interfacial Disorders, and Molecular Orientations of Amorphous Semiconductors in a Thin‐Film Transistor Configuration

Probing Bulk Transport, Interfacial Disorders, and Molecular Orientations of Amorphous Semiconductors in a Thin‐Film Transistor Configuration

Organic Solar Modules: Fully Doctor Bladed on Glass in Air

Effect of 3,4,9,10-perylenetetracarboxylic bisbenzimidazole (PTCBI) as well as bathocuproine (BCP) and Ag interlayer thickness on the performance of organic tandem solar cells

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