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Solar Cells

A dye-sensitized solar cell (DSSC) is a low-cost solar cell belonging to the group of thin film solar cells. It is based on a semiconductor formed between a photo-sensitized anode and an electrolyte, a photoelectrochemical system. The modern version of a dye solar cell, also known as the Grätzel cell, was originally co-invented in 1988 by Brian O'Regan and Michael Grätzel

Dye-Sensitized Solar Cell

 

Sensitizer

  • Panchromatic dye

  • High electron injection

  • Cheep

  • Excellent chemical stability

Dye(N719)

Working electrode

  • High surface area

  • Large pore size

  • Efficient electron transfer

Counter electrode

  • Cost-Effective

  • Excellent catalytic activity

  • Excellent chemical stability

  • High electrical conductivity

Electrolyte

 

  • High ionic conductivity

  • Excellent dye regeneration capacity

  • Suitable energy band position

  • Good stability

  • Spatial arrangements of CNTs in the TiO2 layer

  • The decay of Voc was significantly minimized, while maintained the superiol electron collection efficiency

  • Electrochemical catalytic behaviol of different redox couples at various doped(e.g. N, X and metals) and functionalized        (e.g. -COOH) graphene modified electrode

  • Graphene modified electrodes for the counter electrode in DSSCs

  • Enhanced the Jsc without sacrificing the Voc

  • Improved charge transport and charge collection efficiency

  • Interhalogen based binary-redox couples for high-voltage DSSCs

  • The interhalogeb ion(I2Br-) was formed an extra redox pair, at more positive potential than that of I-/I3-)

  • Voc increased significantly without affecting the short circuit current much

  • Novel energy relay dyes(EDSs) for the development of high efficiency DSSCs based on Forster Resonance energy transfer(FRET)

  • Jsc increased significantly

  • Localized surface plasmon resonance(LSPR) effect of metal nano particles for the efficiency enhancement in DSSCs

  • LSPR could enhance the overall photoconversion efficiency significantly

  • QDSSCs have been considered to be a promising type of third-generation solar cells

  • Metal sulfide(e.g. CdS, PdS, ZnS etc.) based photoelectrodes by SILAR, spin coating, and electrodeposition for QDSSCs

  • Metal-sulfides based counter electrode for QDSSCs

Quantum Dot Sensitized Solar Cells

 

Perovskite Solar Cells

 

  • Perovskite solar cells based on organometal halide light absorbers have been considered a promising photovoltaic technology due to their superb power conversion efficiency (PCE) along with very low material costs

  • Low-cost counter electrode materials based on mesoporous carbon for PSCs

 

  • P-type semiconductors for the development of high efficiency PSCs

  • Efficient sensitization based solar cells including dye-sensitized solar cells (DSSCs), quantum dots-sensitized solar cells (QDSSCs), perovskite-sensitized solar cells (PSCs) by exploring new novel energy materials and materials engineering

Flexible Solar Cells

 

  • Highly viscous low temperature TiO2 paste for Flexible solar cells

  • Binary liquid-liquid mixture

  • Excellent adhesion capacity on TCO

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