Engineering

Engineers improve solar cell efficiency, stability

Purdue University researchers have created new, multifunctional ligands that improve the charge transfer, power conversion capability and long-term stability of perovskite solar cells.

Energy & Green Tech

Improving the operational stability of perovskite solar cells

Hybrid perovskites are materials made from metal halide frameworks interspersed with organic cations. They have attracted a lot of interest in the field of solar energy because of their light-harvesting capacity combined ...

Energy & Green Tech

An amorphous high-capacity iron fluorosulfate cathode

Chemists and engineers have been trying to create increasingly efficient, affordable and stable battery technologies to power a wide range of electronic devices. To do this, they have been leveraging the multi-redox reactions ...

Energy & Green Tech

Researchers unveil multi-mode reactions in perovskite solar cells

As a promising photovoltaic material, metal halide perovskite yields high efficiency in solar cells. However, the deep-level traps of minority carriers at the surface of the p-i-n perovskite solar cells can suppress nonradiative ...

Energy & Green Tech

100% efficient electrochemical conversion of carbon dioxide

Researchers from the University of Twente, in collaboration with Shell, developed a new mechanism that makes the conversion of carbon dioxide into carbon monoxide, which is an essential feedstock in the production of chemicals.

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Conversation

Conversation is a form of interactive, spontaneous communication between two or more people who are following rules of etiquette.

Conversation analysis is a branch of sociology which studies the structure and organization of human interaction, with a more specific focus on conversational interaction.

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