Utilization of poly (4-styrenesulfonic acid) doped polyaniline as a hole transport layer of organic solar cell for indoor applications

Biswas, Swarup; You, Young‐Jun; Shim, Jae Won; Kim, Hyeok

doi:10.1016/j.tsf.2020.137921

Cited by 29 publications

(29 citation statements)

References 31 publications

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“…Some researchers attempted to replace PEDOT:PSS with other p ‐type semiconductors. [ 9,10 ] Inverted structures with an ITO/ETL/active material/hole transport layer/metal electrode (gold [Au], silver [Ag]) have also been tested. [ 11,12 ] For excellent overall performance, an inverted‐structure PSC (IPSC) should have an ETL with high carrier mobility, good transparency, and good energy level matching with other layers.…”

Section: Introductionmentioning

confidence: 99%

Highly Efficient Inverted Polymer Solar Cells Using an Indium Gallium Zinc Oxide Interfacial Layer

et al. 2021

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Organic polymer semiconductor‐based polymer solar cells (PSCs) are drawing tremendous research interest for their superior electrical, structural, optical, mechanical, and chemical properties. During the last two decades, immense efforts have been made toward the development of PSCs. Generally, poly(3,4‐ethylenedioxythiophene):poly(styrenesulfonate) (PEDOT:PSS) is used as hole transport layer (HTL) of PSCs to improve hole extraction efficiency, but highly acidic PEDOT:PSS reduces device lifetime by destroying indium tin oxide (ITO) electrodes and active layers. To avoid this, some have attempted to develop inverted structured PSCs with different electron transport layers (ETLs); however, the power conversion efficiency (PCE) of these devices is limited owing to low electron mobility of their ETLs. Therefore, an attempt is made to improve the PCE of an inverted‐structured PSC by using indium gallium zinc oxide (IGZO) with optimized amount of indium (In), gallium (Ga), and zinc (Zn). Inverted PSCs with ZnO or IGZO (having various molar ratios of In, Ga, and Zn) as ETL with the structure ITO/ETL/PTB7:PC71BM/MoO3/Al are constructed. The PCE of the inverted PSC can be increased from 6.22% to 8.72% by using IGZO with an optimized weight ratio of In, Ga, and Zn as an ETL.

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Section: Introductionmentioning

confidence: 99%

Highly Efficient Inverted Polymer Solar Cells Using an Indium Gallium Zinc Oxide Interfacial Layer

et al. 2021

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“…They help reduce the charge carrier recombination within the device. Therefore, in the past few years, considerable efforts have also been devoted toward the development of low-cost, less reactive, processable, and environmentally stable semiconducting materials to be used as the HTLs and ETLs of OSCs [ 12 ]. During the early development of indoor OSCs, Steim et al determined that the performance of an OSC is strongly dependent on its shunt resistance when the device is operating under the illumination of low-intensity indoor light [ 103 ].…”

Section: Pv Cells For Indoor Applicationsmentioning

confidence: 99%

“…Moreover, daily charging or frequent replacement of batteries is not practical in small wireless devices [ 7 ]. Therefore, alternative microscale ambient-energy-harvesting technologies, such as thermoelectric generators [ 8 , 9 ], mechanical energy harvesters [ 10 , 11 ], and low-intensity light energy harvesters [ 12 , 13 ], can be an excellent option for powering small wireless devices. Interestingly, most of the IoT devices are operated indoors.…”

Section: Introductionmentioning

confidence: 99%

Solar Cells for Indoor Applications: Progress and Development

Biswas

Kim

2020

Polymers

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The Internet of things (IoT) has been rapidly growing in the past few years. IoT connects numerous devices, such as wireless sensors, actuators, and wearable devices, to optimize and monitor daily activities. Most of these devices require power in the microwatt range and operate indoors. To this end, a self-sustainable power source, such as a photovoltaic (PV) cell, which can harvest low-intensity indoor light, is appropriate. Recently, the development of highly efficient PV cells for indoor applications has attracted tremendous attention. Therefore, different types of PV materials, such as inorganic, dye-sensitized, organic, and perovskite materials, have been employed for harvesting low-intensity indoor light energy. Although considerable efforts have been made by researchers to develop low-cost, stable, and efficient PV cells for indoor applications, Extensive investigation is necessary to resolve some critical issues concerning PV cells, such as environmental stability, lifetime, large-area fabrication, mechanical flexibility, and production cost. To address these issues, a systematic review of these aspects will be highly useful to the research community. This study discusses the current status of the development of indoor PV cells based on previous reports. First, we have provided relevant background information. Then, we have described the different indoor light sources, and subsequently critically reviewed previous reports regarding indoor solar cells based on different active materials such as inorganic, dye-sensitized, organic, and perovskite. Finally, we have placed an attempt to provide insight into factors needed to further improve the feasibility of PV technology for indoor applications.

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“…The most important characteristics of conducting polymers, to make it suitable candidate for electronic devices, are low cost [120], flexible [121], solution processable [122][123][124][125][126] and foremost non toxic [127][128][129]. Therefore as far as device applications are concerned, the conducting polymers (CPs) have tremendous role in different fields including sensors [130][131][132][133], solar cells [134,135], batteries [136], organic light emitting diodes (OLED) [69,137,138], electromagnetic shielding [139,140] and thermoelectric power generators [141][142][143][144]. Normally like molecular semiconductors the application of CPs, in various electronic devices, is determined by their electrical properties and in this connection, tailoring of electrical conductivity is the most targeted feature.…”

Section: Conducting Polymersmentioning

confidence: 99%

Electron Beam Induced Tailoring of Electrical Characteristics of Organic Semiconductor Films

et al. 2020

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Tailoring the characteristics of organic semiconductors including molecular semiconductor and conducting polymers is the frontline area of research for improving the performance of organic electronic devices. Electron beam treatment has been established as one of the easiest method in comparison to others like chemical doping, thermal processing, ozonolysis, UV and other ionizing radiation treatment, to tune the physico-chemical properties of organic semiconductors. High energy electron beam (EB) generated from an accelerators impinges energy to the material and causes several phenomena including doping, crosslinking, chain degradation, gas evolution, molecular structural modifications, oxidation and unsaturation. Such modifications lead to variation in electrical characteristics and consequently affect the overall device performances. In the present review we have focused on the different interaction processes of EB with organic semiconductors and its implications to tailor the performance of device comprising of it mainly gas sensors, field effect transistors, thermoelectric power generators and radiation dosimeters.

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Utilization of poly (4-styrenesulfonic acid) doped polyaniline as a hole transport layer of organic solar cell for indoor applications

Cited by 29 publications

References 31 publications

Highly Efficient Inverted Polymer Solar Cells Using an Indium Gallium Zinc Oxide Interfacial Layer

Highly Efficient Inverted Polymer Solar Cells Using an Indium Gallium Zinc Oxide Interfacial Layer

Solar Cells for Indoor Applications: Progress and Development

Electron Beam Induced Tailoring of Electrical Characteristics of Organic Semiconductor Films

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