A large, ultra-black, efficient and cost-effective dye-sensitized solar module approaching 12% overall efficiency under 1000 lux indoor light

Tsai, Mi Ching; Wang, Chin‐Li; Chang, Chiung-Wen; Hsu, Cheng-Wei; Hsiao, Yu-Hsin; Liu, Chia‐Lin; Wang, Chen‐Chi; Lin, Shr-Yau; Lin, Che

doi:10.1039/c7ta09322e

Cited by 78 publications

(64 citation statements)

References 52 publications

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“…In the past two decades, DSSCs have received considerable attention due to their ease of fabrication, low weight, cost-effective device modules, and suitability for indoor applications in comparison to SSCs. [1][2][3][4] Currentr esearch even follows an ew trend of integration systemst hat utilizeasingle devicet oh arvest the energy and to store it simultaneously.T hese integrated solar cells combinet he technologies of new-generation solar cells (SSCs, DSSCs, OPVs,a nd PSCs) and energy-storaged evices [lithiumion batteries (LIBs) and supercapacitors (SCs)]. [5,6] One of the most crucial components in the development of DSSCs is the design of high-performance organic sensitizers.…”

Section: Introductionmentioning

confidence: 99%

High‐Performance Organic Dyes with Electron‐Deficient Quinoxalinoid Heterocycles for Dye‐Sensitized Solar Cells under One Sun and Indoor Light

et al. 2019

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A series of Y‐shaped sensitizers incorporating quinoxaline or quinoxalinoid moieties were prepared and applied in dye‐sensitized solar cells (DSSCs). By the introduction of quinoxalinoid functionalities, the absorption extinction coefficients could be enhanced. The molecular structures were modified by introducing an extra acceptor group (A) between a donor (D) and a π‐bridge (D–A–π–A) and also by incorporating electron‐donating substituents at various positions of the quinoxalinoid moiety. Some of the dyes and mixtures thereof were found to exhibit good light‐harvesting efficiencies under both sunlight and indoor light, with efficiencies up to 7.92 % under one sun (AM 1.5G). When operated under indoor light, the efficiency could be boosted to 27.76, 28.74, and 30.45 % under 600, 1000, 2500 lux illumination, respectively. The best performance could be ascribed partly to an improved dye coverage on the TiO2 surface.

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Section: Introductionmentioning

confidence: 99%

High‐Performance Organic Dyes with Electron‐Deficient Quinoxalinoid Heterocycles for Dye‐Sensitized Solar Cells under One Sun and Indoor Light

et al. 2019

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“…FWD4 exhibited an very narrow absorption range among these three SMODs. The narrow adsorption spectrum and the low molar extinction coefficient indicate poor light harvesting capability that would typically result in poor power conversion efficiency of DSSCs …”

Section: Methodsmentioning

confidence: 99%

Low‐Cost, High‐Efficiency, and Efficiency Predictable Small Molecule Organic Dyes with Bis(4‐styryl)phenyl Amino Donor for Dye‐Sensitized Solar Cells

Ying¹,

Liu²,

Li³

et al. 2019

Solar RRL

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Three small molecule organic dyes (SMODs) with bis(4‐styryl)phenyl amino (BSPA) donor FWD4∼FWD6 are synthesized easily and applied as sensitizers for dye‐sensitized solar cells (DSSCs). The dipole moments (µ) of FWD4∼FWD6 are calculated by using density functional theory (DFT) to be 7.49, 9.64, and 9.22 D, respectively. The DSSCs based on FWD4∼FWD6 exhibit high power conversion efficiencies (η) of 5.83%, 7.62%, and 7.39%, respectively. The linear regression equation η = 0.817 µ–0.370 is created with R2 = 0.999 that reveals the equation owned high accuracy. Highly reliable linear equations are also obtained under different fabrication conditions, which indicates that the power conversion efficiency tendency is influenced only by these dyes’ intrinsic property, the dipole moment. The excellent linear correlation between the dipole moment and power conversion efficiency indicates that it is very likely to predict the power conversion efficiency precisely by calculating the dipole moment, which gives a convenient way to connect the experimental results with theoretical calculations for dyes with similar molecular structures.

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“…Therefore, DSSCs are very competitive to the first and second generations of solar cells due to numerous advantages including easy fabrication, low cost (Figure 1) [3], and high performance at dim-light condition. Moreover, DSSCs can be used in indoor ambient applications [5][6][7][8][9].…”

Section: Dye-sensitized Solar Cells (Dsscs)mentioning

confidence: 99%

Structural Engineering on Pt-Free Electrocatalysts for Dye-Sensitized Solar Cells

Huang¹,

Chen²,

Ann³

et al. 2020

Nanostructures

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In recent decades, plenty of nanomaterials have been investigated as electrocatalysts for the replacement of the expensive platinum (Pt) counter electrode in dyesensitized solar cells (DSSCs). The key function of the electrocatalyst is to reduce tri-iodide ions to iodide ions at the electrolyte/counter electrode interface. The performance of the electrocatalyst is usually determined by two key factors, i.e., the intrinsic heterogeneous rate constant and the effective electrocatalytic surface area of the electrocatalyst. The intrinsic heterogeneous rate constant of the electrocatalyst varies by different types of materials, which can be roughly divided into five groups: non-Pt metals, carbons, conducting polymers, transition metal compounds, and their composites. The effective electrocatalytic surface area is determined by the nanostructure of the electrocatalyst. In this chapter, the nanostructural design and engineering on different types of Pt-free electrocatalysts will be systematically introduced. Also, the relationship between various nanostructures of electrocatalysts and the pertinent physical/electrochemical properties will be discussed.

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A large, ultra-black, efficient and cost-effective dye-sensitized solar module approaching 12% overall efficiency under 1000 lux indoor light

Abstract: A large, ultra-black, efficient and cost-effective dye-sensitized solar module reaches an overall efficiency of ∼12% under 1000 lux of T5 fluorescent light.

Cited by 78 publications

References 52 publications

High‐Performance Organic Dyes with Electron‐Deficient Quinoxalinoid Heterocycles for Dye‐Sensitized Solar Cells under One Sun and Indoor Light

High‐Performance Organic Dyes with Electron‐Deficient Quinoxalinoid Heterocycles for Dye‐Sensitized Solar Cells under One Sun and Indoor Light

Low‐Cost, High‐Efficiency, and Efficiency Predictable Small Molecule Organic Dyes with Bis(4‐styryl)phenyl Amino Donor for Dye‐Sensitized Solar Cells

Structural Engineering on Pt-Free Electrocatalysts for Dye-Sensitized Solar Cells

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