Enhancement in the efficiency of an organic–inorganic hybrid solar cell with a doped P3HT hole-transporting layer on a void-free perovskite active layer

Guo, Yunlong; Liu, Chao; Inoue, Kento; Harano, Koji; Tanaka, Hideyuki; Nakamura, Eiichi

doi:10.1039/c4ta02976c

Cited by 169 publications

(110 citation statements)

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“…However, a few examples can be found about the use of wellknown semiconductor polymers alike for example P3HT (poly-3-hexylthiophene). [5][6][7][8] In contrast, the number of small molecules that are used in MAPI perovskite solar cells as HTM grows much faster. 9,10 In this communication, we disclose the synthesis of a novel small organic molecule and its application as HTM in MAPI perovskite solar cell without the need of "dopants" (oxidants) to achieve solarto-electrical current efficiencies of 11% under 1 sun conditions.…”

Section: We Report the Synthesis And Characterisation Of Tetra{4-[nnmentioning

confidence: 99%

Diarylamino-substituted tetraarylethene (TAE) as an efficient and robust hole transport material for 11% methyl ammonium lead iodide perovskite solar cells

et al. 2015

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Section: We Report the Synthesis And Characterisation Of Tetra{4-[nnmentioning

confidence: 99%

Diarylamino-substituted tetraarylethene (TAE) as an efficient and robust hole transport material for 11% methyl ammonium lead iodide perovskite solar cells

et al. 2015

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“…Other studies arrived at a crystallite size on the order of 1.5 μm, which is questionable, given that the resolution of common lab-based XRD instruments is not capable of measuring diffraction peaks this sharp. 105 It may be tempting to use electron microscopy to validate the crystal sizes obtained from XRD analysis, and this is indeed a common method for measuring the size of grains in the literature. [101][102][103][104] However, the microstructures observed may be composed of much smaller crystallites, which would make such a comparison invalid.…”

Section: Analysis Of Thin Filmsmentioning

confidence: 99%

Perovskite-Inspired Photovoltaic Materials: Toward Best Practices in Materials Characterization and Calculations

et al. 2017

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ABSTRACT:Recently, there has been an explosive growth in research based on hybrid lead-halide perovskites for photovoltaics owing to rapid improvements in efficiency. The advent of these materials for solar applications has led to widespread interest in understanding the key enabling properties of these materials. This has resulted in renewed interest in related compounds and a search for materials that may replicate the defect-tolerant properties and long lifetimes of the hybrid lead-halide perovskites. Given the rapid pace of development of the field, the rises in efficiencies of these systems have outpaced the more basic understanding of these materials. Measuring or calculating the basic properties, such as crystal/electronic structure and composition, can be challenging because some of these materials have anisotropic structures, and/or are composed of both heavy metal cations and volatile, mobile, light elements. Some consequences are beam damage during characterization, composition change under vacuum, or compound effects, such as the alteration of the electronic structure through the influence of the substrate. These effects make it challenging to understand the basic properties integral to optoelectronic operation. Compounding these difficulties is the rapid pace with which the field progresses. This has created an ongoing need to continually evaluate best practices with respect to characterization and calculations, as well as to identify inconsistencies in reported values to determine if those inconsistencies are rooted in characterization methodology or materials synthesis. This article describes the difficulties in characterizing hybrid lead-halide perovskites and new materials, and how these challenges may be overcome. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 2 challenges discussed. The focus in this article is on crystallography, composition measurements, photoemission spectroscopy and calculations on perovskites and new, related absorbers. We suggest how some of the important artifacts could be avoided and how the reporting for each technique could be streamlined between groups to ensure reproducibility as the field progresses.

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“…Além disso, possui alto custo, dificultando sua utilização comercial. 116,117 Desse modo, materiais como poli-triarilamina (PTAA), 78,114,118 poli(3-hexiltiofeno)(P3HT), [119][120][121][122] poli[N-900-heptadecanil-2,7-carbazol-alt-5,5-(40,70-di-2--tienil-20,10,30-benzotidiazol)] (PCDTBT), 78 NiO, [123][124][125] CuSCN, [126][127][128][129] CuI, 130,131 entre outras diversas moléculas orgânicas, têm sido estudados para a substituição do spiro-MeOTAD. 36,74,104,132 A Figura 10 apresenta alguns dos HTLs e ETLs recentemente utilizados em células solares de perovskitas e os seus respectivos níveis energéticos.…”

Section: Desenvolvimento Das Células Solares De Perovskita Progressosunclassified

Células Solares De Perovskitas: Uma Nova Tecnologia Emergente

et al. 2017

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Recebido em 31/01/2017; aceito em 7/8/2017; publicado na web em 02/10/2017 PEROVSKITES SOLAR CELLS: A NEW EMERGING TECHNOLOGY. Solar energy has been considered as an important source of clean and safe energy to overcome the problems associate to the burn of fossil fuels (e.g. climate changes, pollution, health problems, etc.). In the area of photovoltaics, devices that convert solar energy into electricity, perovskites solar cells (PSC) have attracted great attention due to their rapid development, high energy conversion efficiency, diversification of the processing methods and different materials. The fantastic properties of the hybrid perovskite materials, such as high absorption coefficient, direct and tunable bandgap, ambipolar charge carrier, simple preparation, etc., have quoted this technology as one the most important in this century. The rapid development of PSC has provided a significant increase in energy conversion efficiency, which was first reported, in 2009, as 3.8% and now reaches up to 22.10%, according to the National Laboratory of Renewable Energy (NREL). Many studies have been carried out to further increase the efficiency of devices and solve problems as the instability of the material, and the presence of lead, so that the PSC can be applied commercially. This paper presents a review on PSC and the major advances reported in device's architecture, preparation methods, novel materials and interface engineering.Keywords: solar cell; perovskites; perovskites solar cells. INTRODUÇÃOHá muitos anos a humanidade tem feito uso de combustíveis fósseis para satisfazer grande parte da demanda de energia. Porém, com a diminuição progressiva das reservas de combustíveis fósseis, deterioração do meio ambiente (devido ao efeito estufa), poluição do ar e água e, consequentemente, com os problemas de saúde humana associados ao aquecimento global, além das questões econômicas e políticas relacionadas à saúde e preservação do meio ambiente, o desenvolvimento de fontes alternativas de energia tem se tornado cada vez mais importante.1,2 Tendo em vista essas preocupações, a energia solar fotovoltaica pode ser considerada umas das fontes de energia alternativa mais promissora, pois provém de uma fonte abundante, limpa e segura, não gera ruídos e ainda permite a geração de energia elétrica em áreas remotas. 3A energia solar é, de uma forma ou de outra, a fonte de quase toda a energia na Terra.4 O sol fornece ao nosso planeta cerca de 10.000 vezes mais energia que o nosso consumo diário global. A energia solar pode ser convertida em calor, o qual pode ser utilizado diretamente para o abastecimento de água quente, ou em eletricidade, através do efeito fotovoltaico, nas células solares. 5,6 A constituição básica de uma célula solar é baseada em duas camadas de semicondutores (junção), sendo uma camada contendo carga positiva (p) e outra contendo carga negativa (n), que geram corrente elétrica quando expostas à radiação solar.7 Atualmente, as células solares são classificadas em três tipos, a saber: Células Solares de...

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Enhancement in the efficiency of an organic–inorganic hybrid solar cell with a doped P3HT hole-transporting layer on a void-free perovskite active layer

Cited by 169 publications

References 24 publications

Diarylamino-substituted tetraarylethene (TAE) as an efficient and robust hole transport material for 11% methyl ammonium lead iodide perovskite solar cells

Diarylamino-substituted tetraarylethene (TAE) as an efficient and robust hole transport material for 11% methyl ammonium lead iodide perovskite solar cells

Perovskite-Inspired Photovoltaic Materials: Toward Best Practices in Materials Characterization and Calculations

Células Solares De Perovskitas: Uma Nova Tecnologia Emergente

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