Improved Synthesis of 5-(R-group)-10, 15, 20-tris(4-methylphenyl)porphyrins as Starting Compounds for the Preparation of Potential Sensitizer in Solar Cells

This paper presented a simple and effective method for the synthesis of unsymmetrical meso-phenyl-substituted porphyrins, which could be applied to link blocks for dye-sensitized solar cells of different structures. In order to overcome the main disadvantages associated with the need of highly toxic oxidant and unavoidable side reactions in the reported synthetic methods of unsymmetrical meso-phenyl-substituted porphyrins, an improved Macdonald-type 2+2 condensation based on the mixed solvents of dipyrromethanes and aldehydes were adopted to synthesize a series of 5-(R-group)-10, 15 and20-tris (4-methylphenyl) porphyrins, and all the structures were characterized by melting point analysis, electronic absorption spectroscopy and1H NMR spectroscopy. As a result, the high yield (13-17%) of A3B-type porphyrins as potential sensitizers in solar cells could be obtained by this new synthetic method.

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Synthesis of Nitro-Functionalized A3B-Type Tetraphenylporphyrins Compounds and Potential Applications in Dye-Sensitized Solar Cells

Applied Mechanics and Materials ◽

10.4028/www.scientific.net/amm.748.21 ◽

2015 ◽

Vol 748 ◽

pp. 21-24

Author(s):

Hui Li ◽

Yuan Bin She ◽

Hai Yan Fu ◽

Ting Wen Jia

Keyword(s):

Condensation Reaction ◽

Dye Sensitized Solar Cells ◽

High Yield ◽

Synthesis Process ◽

H Nmr ◽

Melting Point Analysis ◽

Point Analysis ◽

Potential Applications ◽

Optimum Reaction ◽

Sensitized Solar Cells

An improved Adler pre-mixed method based on a TFA-catalyzed condensation reaction between aldehydes and pyrroles was developed to synthesize a series of nitro-functionalized A3B-type tetraphenylporphyrins, and all the structures of A3B-type tetraphenylporphyrins were characterized by melting point analysis, electronic absorption spectroscopy, infrared spectroscopy, high-resolution mass spectroscopy, 1H NMR spectroscopy, and elemental analysis. Several factors in the synthesis process were systematically investigated to establish the optimum reaction conditions, hereby obtaining the high yield of products.

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Mixed Solvents Assisted Flame Spray Pyrolysis Synthesis of TiO2 Hierarchically Porous Hollow Spheres for Dye-Sensitized Solar Cells

Industrial & Engineering Chemistry Research ◽

10.1021/ie4006222 ◽

2013 ◽

Vol 52 (32) ◽

pp. 11029-11035 ◽

Cited By ~ 22

Author(s):

Junchao Huo ◽

Yanjie Hu ◽

Hao Jiang ◽

Wenjuan Huang ◽

Yunfeng Li ◽

...

Keyword(s):

Solar Cells ◽

Spray Pyrolysis ◽

Mixed Solvents ◽

Hollow Spheres ◽

Dye Sensitized Solar Cells ◽

Flame Spray Pyrolysis ◽

Flame Spray ◽

Dye Sensitized ◽

Sensitized Solar Cells ◽

Pyrolysis Synthesis

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Porphyrin-rhodanine dyads for dye sensitized solar cells

Journal of Porphyrins and Phthalocyanines ◽

10.1142/s1088424606000351 ◽

2006 ◽

Vol 10 (08) ◽

pp. 1007-1016 ◽

Cited By ~ 48

Author(s):

Lingamallu Giribabu ◽

Ch. Vijay Kumar ◽

P. Yella Reddy

Keyword(s):

Solar Cells ◽

Dye Sensitized Solar Cells ◽

Acid Group ◽

Redox Potentials ◽

Free Base ◽

Zinc Porphyrin ◽

H Nmr ◽

Dye Sensitized ◽

Uv Visible ◽

Sensitized Solar Cells

A series of four new porphyrin-rhodanine dyads were synthesized having the rhodanine acetic acid group either at the meso- or the pyrrole-β position of a free-base/zinc porphyrin. These dyads were fully characterized by UV-visible, 1 H NMR, MALDI-MS and fluorescence spectroscopies and cyclic voltammetry. Both the Soret and Q-bands were red-shifted in the case of pyrrole-β substituted dyads. The redox potentials of all four dyads were altered in comparison with their individual constituents. The dyads were tested in dye sensitized solar cells and the zinc metalated dyads gave a better performance in comparison with the corresponding free-base dyads.

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Hetero-seed meditated method to synthesize ZnO/TiO2 multipod nanostructures with ultra-high yield for dye-sensitized solar cells

Journal of Alloys and Compounds ◽

10.1016/j.jallcom.2019.07.169 ◽

2019 ◽

Vol 805 ◽

pp. 868-872 ◽

Cited By ~ 4

Author(s):

Youxia Cui ◽

Wenda Wang ◽

Ning Li ◽

Ran Ding ◽

Kunquan Hong

Keyword(s):

Solar Cells ◽

Dye Sensitized Solar Cells ◽

High Yield ◽

Dye Sensitized ◽

Sensitized Solar Cells

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Organic Nanostructured Materials for Sustainable Application in Next Generation Solar Cells

Applied Sciences ◽

10.3390/app112311324 ◽

2021 ◽

Vol 11 (23) ◽

pp. 11324

Author(s):

Rorisang Mabindisa ◽

Kevin Tambwe ◽

Lulama Mciteka ◽

Natasha Ross

Keyword(s):

Renewable Energy ◽

Solar Cells ◽

Nanostructured Materials ◽

Renewable Energy Sources ◽

Perovskite Solar Cells ◽

Dye Sensitized Solar Cells ◽

Synthetic Methods ◽

Environmental Stability ◽

Organic Photovoltaic ◽

Next Generation

Meeting our current energy demands requires a reliable and efficient renewable energy source that will bring balance between power generation and energy consumption. Organic photovoltaic cells (OPVs), perovskite solar cells and dye-sensitized solar cells (DSSCs) are among the next-generation technologies that are progressing as potential sustainable renewable energy sources. Since the discoveries of highly conductive organic charge-transfer compounds in the 1950s, organic semiconductors have captured attention. Organic photovoltaic solar cells possess key characteristics ideal for emerging next-generation technologies such as being nontoxic, abundant, an inexpensive nanomaterial with ease of production, including production under ambient conditions. In this review article, we discuss recent methods developed towards improving the stability and average efficiency of nanostructured materials in OPVs aimed at sustainable agriculture and improve land-use efficiency. A comprehensive overview on developing cost-effective and user-friendly organic solar cells to contribute towards improved environmental stability is provided. We also summarize recent advances in the synthetic methods used to produce nanostructured active absorber layers of OPVs with improved efficiencies to supply the energy required towards ending poverty and protecting the planet.

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TiO2 SUB-MICROSPHERES AS A BI-FUNCTIONAL SCATTERING LAYER FOR HIGH-PERFORMANCE DYE-SENSITIZED SOLAR CELLS

NANO ◽

10.1142/s1793292014400074 ◽

2014 ◽

Vol 09 (05) ◽

pp. 1440007 ◽

Cited By ~ 11

Author(s):

YONG DING ◽

LI'E MO ◽

LI TAO ◽

YANMEI MA ◽

LINHUA HU ◽

...

Keyword(s):

Electron Microscopy ◽

Solar Cells ◽

Light Scattering ◽

High Performance ◽

Dye Sensitized Solar Cells ◽

Dye Adsorption ◽

High Yield ◽

Scattering Layer ◽

Dye Sensitized ◽

Sensitized Solar Cells

The sub-microspheres play multiple roles in enhancing dye adsorption and light-scattering to improve the performance of dye-sensitized solar cells (DSSCs). In this work, the well-defined TiO 2 sub-microspheres with anatase granular-like nanocrystals are prepared in high yield by combining hydrolytic process with solvothermal treatment. Scanning electron microscopy (SEM) and transmission electron microscopy (TEM) results indicated that plenty of rhombic nanoparticles with ~ 18 nm diameter having mutual contacts to neighboring nanoparticles were densely self-assembled into sub-microspheres, and abundant mesopores existed in the whole sub-microspheres with superior light scattering ability. The appropriate pore diameter and relatively high specific surface area of the as-obtained sub-microsphere result in a higher dye adsorption. As expected, by using the sub-microspheres as a scattering layer, a higher photovoltaic conversion efficiency of 10.15% is obtained for DSSCs.

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