ScienceDaily: Earth & Climate News


New efficiency record for solar cell technology

Posted: 21 Jan 2022 09:48 AM PST

A research team has set a new record in the power conversion efficiency of solar cells made using perovskite and organic materials. Their latest work demonstrated a power conversion efficiency of 23.6%, approaching that of conventional silicon solar cells. This technological breakthrough paves the way for flexible, light-weight, low cost and ultra-thin photovoltaic cells for wide-ranging applications.

Lighted nets dramatically reduce bycatch of sharks and other wildlife while making fishing more efficient

Posted: 21 Jan 2022 09:48 AM PST

In a win-win for commercial fisheries and marine wildlife, researchers have found that using lighted nets greatly reduced accidental bycatch of sharks, rays, sea turtles, and unwanted finfish.

Pristine groundwater seeps support native algae on Hawai‘i’s coasts

Posted: 20 Jan 2022 01:51 PM PST

Native marine macroalgae, also known as limu, or as seaweed, thrive in environments created by natural groundwater seeps, specifically benefiting from the combined effects of enhanced nutrients despite lowered salinity levels, according to a new review.

Quantum dots boost perovskite solar cell efficiency and scalability

Posted: 20 Jan 2022 11:07 AM PST

Scientists have boosted the efficiency and scalability of perovskite solar cells by replacing their electron-transport layers with a thin layer of quantum dots.