tag: photovoltaics

Research Bits: Apr. 2
By Jesse Allen - 02 Apr, 2024 - Comments: 0

Stretchy, sensitive circuits Researchers from Stanford University developed skin-like, stretchable integrated circuits capable of driving a micro-LED screen with a refresh rate of 60 Hz and detecting a braille array that is more sensitive than human fingertips. The stretchable transistors are made from semiconducting carbon nanotubes sandwiched between soft elastic electronic materials. The... » read more

A Solar Solution For Every Situation
By Suresh Thangavel - 01 Dec, 2022 - Comments: 0

Regardless of where they are used, energy conversion efficiency is paramount in solar power applications (if you are interested in their technical details, here is a blog post for you). Even small improvements reduce energy waste, decrease operating costs, lower spatial and cooling systems requirements, and much more. The semiconductor switches used in energy conversion in photovoltaic (... » read more

Detection Of Electric Vehicles And Photovoltaic Systems In Smart Meter Data
By Fraunhofer IIS/EAS - 12 Oct, 2022 - Comments: 0

In the course of the switch to renewable energy sources, there is a shift from a few large energy sources (power plants) to a large number of small, distributed energy sources (e.g., photovoltaic systems) and energy storage devices (e.g., electric vehicles). This results in the need to know and identify these energy sources and sinks as soon as new devices are installed, in order to ensure grid... » read more

Roadmap on organic–inorganic hybrid perovskite semiconductors and devices
By Technical Paper Link - 03 Nov, 2021 - Comments: 0

ABSTRACT Metal halide perovskites are the first solution processed semiconductors that can compete in their functionality with conventional semiconductors, such as silicon. Over the past several years, perovskite semiconductors have reported breakthroughs in various optoelectronic devices, such as solar cells, photodetectors, light emitting and memory devices, and so on. Until now, perovskit... » read more

Power/Performance Bits: Oct. 26
By Jesse Allen - 26 Oct, 2021 - Comments: 0

Printing circuits on irregular shapes Researchers at Pennsylvania State University propose a way to print biodegradable circuits on irregular, complex shapes. “We are trying to enable direct fabrication of circuits on freeform, 3-D geometries,” said Huanyu “Larry” Cheng, professor in Penn State's Department of Engineering Science and Mechanics (ESM). “Printing on complicated objec... » read more

Energy Harvesting Shows New Signs of Life
By Bryon Moyer - 08 Apr, 2021 - Comments: 1

Energy harvesting is seeing renewed activity in select markets, years after some high-profile attempts to build this into consumer electronics stalled out. Costs, manufacturing challenges, and market resistance kept this technology from moving forward, more than a decade after it was being touted as the best way forward for consumer electronics and devices that were hard to access. While sol... » read more

Power/Performance Bits: July 10
By Jesse Allen - 10 Jul, 2019 - Comments: 0

Wearable heart monitoring Researchers at the University of Texas at Austin developed a lightweight, stretchy heart monitoring patch that can be worn externally. Along with being easy to wear, the graphene-based 'e-tattoo' is more accurate than existing electrocardiograph machines, according to the team. The e-tattoo measures cardiac health using both electrocardiograph and seismocardiograph... » read more

Manufacturing Bits: June 20
By Mark LaPedus - 20 Jun, 2017 - Comments: 0

Solar cell metrology Using atomic force microscopy (AFM), the National Institute of Standards and Technology (NIST) has developed a pair of novel techniques to measure the chemical compositions and defects in solar cells. The new techniques will give researchers insights into a thin-film solar cell material called cadmium telluride. The technology will also suggest ways to boost the efficie... » read more

Power/Performance Bits: May 10
By Jesse Allen - 10 May, 2016 - Comments: 0

Non-toxic thin-films A team at Australia's University of New South Wales achieved the world's highest efficiency using flexible solar cells that are non-toxic and cheap to make, with a record 7.6% efficiency in a 1cm2 area thin-film CZTS cell. Unlike its thin-film competitors, CZTS cells are made from abundant materials: copper, zinc, tin and sulphur, and has none of the toxicity problems... » read more

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