Improved Solid-State Dye Solar Cells with Polypyrrole using a Carbon-Based Counter Electrode

Kitamura, Takayuki; Maitani, Masato M.; Matsuda, Masami; Wada, Yuji; Yanagida, Shozo

doi:10.1246/cl.2001.1054

Cited by 103 publications

(62 citation statements)

References 7 publications

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“…Due to these difficulties, previous efforts by a number of researchers have focused on modifying the inorganic metal oxide surface by binding to it various organic molecules and ruthenium-based dyes that, in combination with hole transporting conjugated polymers, result in photovoltaic devices with photoconversion efficiencies well below 1%. [23][24][25][26][27][28][29][30][31] Here, we successfully demonstrate a device structure comprised of TiO 2 nanotube arrays/organicdye/P3HT, with the vertically oriented TiO 2 nanotube arrays of small pore size providing a large interfacial surface area for dye adsorption and a large interfacial area between the organic dye monolayer and the P3HT. The successful infiltration of P3HT into the nanotube arrays is demonstrated.…”

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confidence: 99%

Visible to Near-Infrared Light Harvesting in TiO₂ Nanotube Array−P3HT Based Heterojunction Solar Cells

et al. 2009

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The development of high-efficiency solid-state excitonic photovoltaic solar cells compatible with solution processing techniques is a research area of intense interest, with the poor optical harvesting in the red and near-IR (NIR) portion of the solar spectrum a significant limitation to device performance. Herein we present a solid-state solar cell design, consisting of TiO 2 nanotube arrays vertically oriented from the FTOcoated glass substrate, sensitized with unsymmetrical squaraine dye (SQ-1) that absorbs in the red and NIR portion of solar spectrum, and which are uniformly infiltrated with p-type regioregular poly(3-hexylthiophene-2,5-diyl) (P3HT) that absorbs higher energy photons. Our solidstate solar cells exhibit broad, near-UV to NIR, spectral response with external quantum yields of up to 65%. Under UV filtered AM 1.5G of 90 mW/cm 2 intensity we achieve typical device photoconversion efficiencies of 3.2%, with champion device efficiencies of 3.8%.The best performing bulk heterojunction solar cells (η ∼ 6%) employ an optimized blend of a polymeric donor and a fullerene acceptor. 1,2 The fullerene acceptor absorbs very little light and is primarily used in blends to provide an efficient interface for exciton dissociation. Various efforts toward efficiency improvement in these devices are directed toward the development of low band gap polymers to absorb a broad swathe of the solar spectrum, 3-6 lowering the molecular energy levels of the semiconducting polymer to enhance the open circuit voltage of the organic solar cells, 1,7 and the control of the blended film morphology for enhanced exciton harvesting. [8][9][10][11][12] In the best performing solid-state dyesensitized solar cells (SS-DSSCs), η ∼ 5%, the only photon absorber is a dye, while the electron and hole transport functions are performed, respectively, by a disordered nanoparticulate TiO 2 network and a transparent small molecule spiro-OMeTAD. [13][14][15][16] To achieve higher efficiency devices, research efforts have focused on improved porefilling by the hole transporter, the use of higher mobility hole transporters and the synthesis of dyes with a broader and more-intense absorption spectrum.Red/NIR radiation (650-1000 nm) accounts for approximately 33% of the solar energy arriving at the surface of the Earth, while UV-visible radiation (350-650 nm) accounts for about 40%. Hence a key issue toward achieving higher efficiency organic solar cells is in the development of red and NIR absorbing molecules to utilize more of the solar spectrum. As an approach for efficiently utilizing visible to NIR solar radiation, herein we describe an inorganic-organic hybrid solar cell, see Figure 1a, where electron transporting TiO 2 nanotube arrays, sensitized with red and NIR light absorbing organic dye, are used in combination with hole transporting and visible light absorbing regioregular P3HT. [17][18][19] It should be noted that this low band gap organic dye should not block transmission of the high-energy photons of near-UV-visible range pa...

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Visible to Near-Infrared Light Harvesting in TiO₂ Nanotube Array−P3HT Based Heterojunction Solar Cells

et al. 2009

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“…Selain itu, karbon mempunyai sifat tahan terhadap korosi dan mempunyai kemampuan elektrokatalitis yang baik terhadap triiodide [3]. Telah banyak penelitian yang mencoba menggantikan peran dari platina dengan bahan karbon seperti black carbon [4][5][6][7], karbon aktif [5], single [8] atau multi-wall carbon nanotube [9][10][11], graphene oxide, maupun reduced graphene oxide [3]. Pada paper ini dilaporkan hasil kinerja pengaruh jenis katalis yang digunakan pada elektroda pembanding terhadap efisiensi DSSC.…”

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Pengaruh Jenis Katalis pada Elektroda Pembanding terhadap Efisiensi Dye Sensitized Solar Cells dengan Klorofil sebagai Dye Sensitizer

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Adawiyah

Fajar

et al. 2017

JFA

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IntisariDye Sensitized Solar Cell (DSSC) merupakan sel surya tersensitisasi zat pewarna yang dibentuk dengan struktur sandwich dimana terdapat lima bagian antara lain: kaca ITO (Indium Tin Oxide) sebagai substrat; TiO2 sebagai bahan semikonduktor; dye klorofil sebagai donor elektron; elektrolit sebagai transfer elektron. Serbuk TiO2 berukuran nanometer didapatkan melalui sintesis dengan metode kopresipitasi.Pengukuran dilakukan pada daya 100 mW/cm 2 . Hasil efisiensi DSSC menggunakan active carbon sebagai katalis pada elektroda pembanding menghasilkan prosentase yang lebih besar daripada black carbon dan grafit, yaitu 0,05% untuk active carbon, 0,032% untuk black carbon, 0,029% untuk grafit. ABSTRACTDye-sensitized Solar Cell (DSSC) is a dye sensitized solar cells are formed by a sandwich structure where there are five parts include: glass ITO (Indium Tin Oxide) as a substrate; TiO2 as a semiconductor material; chlorophyll dye as an electron donor; electrolyte as electron transfer. Nanometer-sized TiO2 powder obtained through synthesis by coprecipitation method. Measurements were taken at the power of 100 mW/cm 2 . The results of the efficiency of DSSC using active carbon as a catalyst in the reference electrode, produces a larger percentage than black carbon and graphite, which is of 0.05% for active carbon, black carbon to 0.032%, 0.029% for graphite. I. PENDAHULUANCahaya matahari merupakan salah satu sumber energi alternatif yang bersih, ramah lingkungan, dan aplikatif. Di dunia ini timbul suatu dorongan untuk menciptakan atau merancang suatu sistem untuk penyediaan energi yang aman dan nyaman bagi manusia maupun lingkungan. Cahaya matahari telah banyak digunakan sebagai sumber energi pada sel surya. Sel surya merupakan suatu peralatan yang dapat mengubah energi cahaya menjadi energi listrik. Pengembangan sel surya menjadi sebuah penyediaan energi ketika manusia dihadapkan pada berkurangan cadangan energi yang berasal dari bahan bakar fosil [1].Akan tetapi penggunaan sel surya sebagai sumber energi listrik masih terbatas karena kendala oleh mahalnya bahan utama dari sel tersebut, yaitu silikon. Namun, setelah melewati perkembangan zaman, teknologi sel surya juga ikut berkembang. Perkembangan tersebut telah sampai pada sel surya yang dikembangkan oleh Grätzel. Sel ini sering juga disebut dengan sel Grätzel atau Dye Sensitized Solar Cells (DSSC) atau sel surya berbasis pewarna tersensitisasi (SSPT) * E-MAIL: nurrisma@physics.its.ac.idPada DSSC, selain semikonduktor pada fotoanoda dan elektrolit yang menjaga stabilitas elektron pada siklus DSSC, elektroda pembanding merupakan salah satu faktor penting dalam berlangsungnya siklus terproduksinya arus dan tegangan. Fungsi utama elektroda pembanding adalah sebagai katalis agar proses berlangsungnya transfer elektron dan proses reduksi iodine/triiodide pada elektrolit semakin cepat, dengan demikian semakin cepat pula DSSC memproduksi listrik. Bahan katalis yang sering digunakan sebagai bahan yang dapat mempercepat reaksi redoks pada DSSC adalah katalis dari bahan pla...

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“…Various triarylamine-based polymers [60][61][62][63], poly(3-alkylthiophene)s [64][65][66][67][68][69][70][71][72][73][74][75][76], polypyrrole [77][78][79][80], polyaniline [81][82][83][84][85], are studied as HTMs in solid-state DSSCs. The polymers cast from solutions must penetrate into the pores between the nanoparticles and should form a good contact with the absorbed dye.…”

Section: Solid-state Dye-sensitized Solar Cell Using Conjugated Polymmentioning

confidence: 99%

Similar Device Architectures for Inverted Organic Solar Cell and Laminated Solid-State Dye-Sensitized Solar Cells

et al. 2012

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Here, we examine the device architecture of two different types of solar cells mainly inverted organic solar cells and solid state dye-sensitized solar cells (DSSCs) that use organic materials as hole transportation. The inverted organic solar cells structure is dominated by work on titanium dioxide (TiO 2 ) and zinc oxide (ZnO). These layers are sensitized with dye in solid state DSSCs. Because of the similar device architecture, it becomes possible to fabricate laminated solid-state DSSCs. The performance of the device was improved by varying the top metal electrode. In laminated solid-state DSSC, we expect that excited dye molecules inject electron into the conduction band of nanocrystalline TiO 2 layer, whereas P3HT provides efficient hole transportation. These solar cells are promising for future energy source as they are cheaper, light weight, flexible and made into large areas, which are showing growing importance.

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Improved Solid-State Dye Solar Cells with Polypyrrole using a Carbon-Based Counter Electrode

Cited by 103 publications

References 7 publications

Visible to Near-Infrared Light Harvesting in TiO₂ Nanotube Array−P3HT Based Heterojunction Solar Cells

Visible to Near-Infrared Light Harvesting in TiO₂ Nanotube Array−P3HT Based Heterojunction Solar Cells

Pengaruh Jenis Katalis pada Elektroda Pembanding terhadap Efisiensi Dye Sensitized Solar Cells dengan Klorofil sebagai Dye Sensitizer

Similar Device Architectures for Inverted Organic Solar Cell and Laminated Solid-State Dye-Sensitized Solar Cells

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Improved Solid-State Dye Solar Cells with Polypyrrole using a Carbon-Based Counter Electrode

Cited by 103 publications

References 7 publications

Visible to Near-Infrared Light Harvesting in TiO2 Nanotube Array−P3HT Based Heterojunction Solar Cells

Visible to Near-Infrared Light Harvesting in TiO2 Nanotube Array−P3HT Based Heterojunction Solar Cells

Pengaruh Jenis Katalis pada Elektroda Pembanding terhadap Efisiensi Dye Sensitized Solar Cells dengan Klorofil sebagai Dye Sensitizer

Similar Device Architectures for Inverted Organic Solar Cell and Laminated Solid-State Dye-Sensitized Solar Cells

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Visible to Near-Infrared Light Harvesting in TiO₂ Nanotube Array−P3HT Based Heterojunction Solar Cells

Visible to Near-Infrared Light Harvesting in TiO₂ Nanotube Array−P3HT Based Heterojunction Solar Cells