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Sulfonium cations for quasi-2D perovskite solar cells

Ruddlesden-Popper-type (RP) quasi-two-dimensional (2D) perovskite solar cells (PSCs) have attracted extensive attention due to their unique photovoltaic properties and excellent device stability. Due to disordered crystallization, ...

Animal friendships are surprisingly like our own

When you think of friendship, what comes to mind? Is it a phone conversation that lasts late into the night? Watching a movie and sharing a pizza? Enjoying some laughs over a beer? Friendship is a central part of the human ...

Super-resolved coherent Raman spectroscopy with quantum light

In recent years, entangled photons—a popular quantum light source—have been widely used in quantum imaging, optical interferometry, quantum computing, quantum communication, and other fields. Spontaneous parametric down-conversion ...

Turning carbon dioxide into valuable products

Carbon dioxide (CO2) is a major contributor to climate change and a significant product of many human activities, notably industrial manufacturing. A major goal in the energy field has been to chemically convert emitted CO2 ...

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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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