Energy & Green Tech
To make organic solar cells (OSC) competitive, the light-absorbing molecules should simultaneously satisfy multiple key requirements, including a weak-absorption charge transfer state, a high dielectric constant, suitable ...
Jun 21, 2024
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50
Electronics & Semiconductors
Mesoscopic dye-sensitized solar cells (DSCs) were invented in 1990s by Brian O'Regan and Michael Grätzel, taking on the latter's name—the world-famous Grätzel cells. DSCs convert light into electricity through photosensitizers—dye ...
Oct 26, 2022
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192
Energy & Green Tech
Two types of materials are better than one when it comes to solar cells, as revealed by an international team that has tested a new combination of materials and architecture to improve solar-cell efficiency.
Mar 11, 2021
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101
Energy & Green Tech
In recent years, all-polymer solar cells (all-PSCs) have been considered more likely to be photovoltaic devices for future applications due to their excellent mechanical properties and device stability.
Feb 15, 2022
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156
Energy & Green Tech
Stacking solar cells increases their efficiency. Working with partners in the PERCISTAND project, researchers at the Karlsruhe Institute of Technology (KIT) have produced perovskite/CIS tandem solar cells with an efficiency ...
Jun 27, 2022
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149
Energy & Green Tech
Scientists at the U.S. Department of Energy's National Renewable Energy Laboratory (NREL) have demonstrated a tin-lead perovskite cell that overcomes problems with stability and improves efficiency. The new cell, a tandem ...
Jun 15, 2022
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146
Energy & Green Tech
Researchers at EPFL and Northwestern University have unveiled a groundbreaking design for perovskite solar cells, creating one of the most stable PSCs with a power-conversion efficiency above 25%, paving the way for future ...
Oct 24, 2023
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54
Energy & Green Tech
A new study compares the life-cycle greenhouse gas (GHG) emissions of electric, hydrogen, natural gas and diesel trucks and buses in Europe. The results indicate a clear pathway to decarbonize the sector: Battery electric ...
Feb 7, 2023
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26
Energy & Green Tech
The power-conversion efficiencies (PCEs) of organic solar cells based on compounds known as polymer donors and fused ring electron acceptors (FREAs) have recently exceeded 19%. In contrast, organic solar cells based on non-fused ...
Engineering
A research team has proposed a new surface stabilization strategy that maximizes stability and efficiency by effectively reducing defects in the surface of perovskite quantum dots.
Oct 31, 2023
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