tag: photovoltaic

Novel Family of Semiconductors
By Technical Paper Link - 21 Jun, 2022 - Comments: 0

New research paper titled "Semiconducting silicon–phosphorus frameworks for caging exotic polycations" from researchers at Department of Chemistry, Iowa State University, and Ames Laboratory, U.S. Department of Energy. Abstract "A series of novel semiconductors AAe6Si12P20X (A = Na, K, Rb, Cs; Ae = Sr, Ba; X = Cl, Br, I) is reported. Their crystal structures feature a tetrahedral Si–P f... » read more

Revealing the Effect of Nanoscopic Design on the Charge Carrier Separation Processes in Semiconductor-Metal Nanoparticle Gel Networks
By Technical Paper Link - 22 Dec, 2021 - Comments: 0

Abstract: "In this paper, it is shown that the nanoscopic design of combining semiconductors and noble metals has a direct impact on the macroscopic (electrochemical) properties of their assembled, hyperbranched, macroscopic gel networks. Controlled and arbitrary deposition of gold domains on CdSe/CdS nanorods leads to tipped and randomly decorated heteroparticles, respectively. Structur... » 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

The Limits Of Energy Harvesting
By Ed Sperling and Kevin Fogarty - 09 May, 2019 - Comments: 4

Energy harvesting, once considered an inexpensive alternative to low-power design and a way of achieving nearly unlimited power in mobile devices, has settled down to more modest expectations. This approach to generating energy through a variety of means—from solar to motion to ambient RF and even pH differences between soil and trees—has been proven to work. The problem is that it doesn... » read more

Power/Performance Bits: Feb. 4
By Ann Mutschler - 04 Feb, 2014 - Comments: 0

Lead halide perovskites Paving the way to the design of photovoltaic converters with improved efficiency, researchers at Ecole Polytechnique Fédérale de Lausanne (EPFL) said they have uncovered the mechanism by which solar cells based on lead iodide perovskite light-absorbing semiconductor transfer electrons along their surface. Photovoltaic systems based on lead halide perovskite are a n... » read more

The Week In Review: Manufacturing And Design
By Mark LaPedus - 03 Jan, 2014 - Comments: 0

Blocking cell phone use and texting while driving have been proposed by the U.S. government and for good reason. About 10 people a day are killed in “distraction-affected” car accidents in the U.S., according to the U.S. National Highway Traffic Safety Administration. As a result, some companies are developing technologies that can block texts while driving. But according to Strategy Analyt... » read more

Manufacturing Bits: Nov. 12
By Mark LaPedus - 12 Nov, 2013 - Comments: 0

Knife-Wielding Robot Cornell University has taught a knife-wielding robot to work in a mock-supermarket checkout line. In doing so, researchers have modified a Baxter robot from Rethink Robotics. In the experiment, the robot coactively learns and makes adjustments while an action is in progress. But when performing tasks at a checkout line, the robot’s problem is to identify the appropria... » read more

Power/Performance Bits: Nov. 12
By Brian Bailey - 12 Nov, 2013 - Comments: 0

Back To The Future In the hunt for sources of renewable energy, researchers at ETH Zurich have gone back to a 19th century discovery. Thermoelectric materials have the remarkable property that heating them creates a small electrical current. But enhancing this current to a level compatible with the needs of modern technologies has revealed an extraordinary challenge for scientists of the last ... » read more

The Week In Review: Aug. 19
By Mark LaPedus - 19 Aug, 2013 - Comments: 0

By Mark LaPedus Applied Materials named Gary Dickerson, who has been serving as president of the company, as CEO. Mike Splinter, who held the reins since 2003, was elevated to executive chairman of the board. Dickerson served as the CEO of Varian, which Applied acquired in 2011, as well as the president and COO of KLA-Tencor. Applied Materials also announced its Q3 results. The company rep... » read more

Solar In Context
By Ed Sperling - 08 Aug, 2013 - Comments: 0

What made Apple’s iPod a winner was business context. There were plenty of other MP3 players on the market and Apple’s wasn’t particularly noteworthy from a technology standpoint. But rather than just sell another portable music machine, the company created something its competitors didn’t have—iTunes. In fact, it was iTunes that made the iPod, not the other way around. The same th... » read more

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