Pb-Free Quantum Dots Synthesis and Solar Cells Application

(Perovskite, III-V Semiconductor QDs)

▶ Background and Motivation

 With the aim to equalize solar energy and the energy production cost of fossil fuels, researchers had turned their efforts towards the development of new generations of solar cells. Among the inorganic compounds, lead(Pb) based composites are especially attractive for photovoltaic applications due to the high light-absorption properties, but it is very toxic for human body. In order to solve this issue, the copper based composites as a light-absorption materials have been attracted for 

▶ Pb-free QDs Synthesis and Characterization

The aim of this research is to study environmentally friendly Pb-free solar cell materials and devices for next generation solar cell development.
1. We are developing new materials suitable for improving the efficiency of the solar cell and improving the efficiency of the quantum dot solar cell by controlling the bandgap of the nanomaterial by changing the shape and composition of the Quantum Dots using cation and anion exchange methods.

 

▶ Perovskite Quantum Dots and Device Application

The purpose of this research is to develop all-inorganic perovskite nanomaterials and devices for the development of next-generation solar cells.

1. Synthesis of Perovskite and double perovskite QDs.

2. Improvement of solar cell efficiency and stability by controlling the bandgap of perovskite nanomaterial by changing the composition of perovskite nanoparticles using cation and anion exchange method.

 

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Dept. of ESE

MNEDL

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MNEDL

 Daegu Gyeongbuk Institute of Science & Technology (DGIST)

 Dept. of Energy Science & Engineering

 Multifunctional Nanomaterials &  Energy Device Lab.

MNEDL

 333, Techno jungang-daero, Hyeonpung-eup, Dalseong-gun,

Daegu, 42988, Rep. of Korea 

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