News tagged with heterojunctions

Researchers create two-segment nanotubes with distinct semiconducting domains

(PhysOrg.com) -- A group of researchers working in Japan has devised a means of creating dual segmented nanotubes where each segment has separate and distinct semiconducting properties. The team describes ...

Nanotechnology / Nanomaterials

created Oct 21, 2011 | popularity 5 / 5 (1) | comments 0 | with audio podcast report

One-pot synthesis provides simpler, faster route to highly efficient solar cells

Preventing the recombination of free charges produced when light strikes a solar cell is one of the main goal of engineers attempting to extract the maximum energy conversion efficiency from their devices. One way to achieve ...

Nanotechnology / Nanomaterials

created Aug 19, 2011 | popularity not rated yet | comments 0

'Quantum coaxial cable': Device proves solar cell potential of high bandgap inorganic nanowire arrays

A report, published in the March 14 edition of the Journal of Materials Chemistry, announced the successful fabrication and testing of a new type solar cell using an inorganic core/shell nanowire structure.

Nanotechnology / Nanophysics

created Apr 12, 2011 | popularity 4.8 / 5 (4) | comments 6 | with audio podcast

GaAs self-assembled nanowires could make chips smaller and faster

(PhysOrg.com) -- Researchers at the University of Illinois have found a new way to make transistors smaller and faster. The technique uses self-assembled, self-aligned, and defect-free nanowire channels made ...

Nanotechnology / Nanophysics

created Apr 20, 2009 | popularity 4.4 / 5 (5) | comments 0




Search results for heterojunctions


Imec, Polyera, Solvay set 8.3% efficiency record for organic solar cell with inverted device

Imec, Polyera and international chemical group Solvay have achieved a new world-record efficiency of 8.3% for polymer-based single junction organic solar cells in an inverted device stack. These excellent performance results ...

Technology / Energy & Green Tech

created Dec 15, 2011 | popularity not rated yet | comments 0

Quantum tunneling results in record transistor performance

(PhysOrg.com) -- Controlling power consumption in mobile devices and large scale data centers is a pressing concern for the computer chip industry. Researchers from Penn State and epitaxial wafer maker IQE ...

Technology / Semiconductors

created Dec 12, 2011 | popularity 5 / 5 (7) | comments 4 | with audio podcast

Kaneka, imec develop high-efficiency heterojunction silicon solar cells with copper electroplating

At the 21st International Photovoltaic Science and Engineering Conference, held on November 28 – December 2 in Fukuoka, Japan, Kaneka and imec present silver-free heterojunction silicon solar cells. The results were ...

Technology / Semiconductors

created Nov 28, 2011 | popularity 5 / 5 (1) | comments 0

Imec demonstrates extremely high-speed heterojunction bipolar transistors

Imec realized a fT/fMAX 245GHz/450GHz SiGe:C heterojunction bipolar transistor (HBT) device, a key enabler for future high-volume millimeter-wave low-power circuits to be used in automotive radar applications. ...

Technology / Semiconductors

created Oct 11, 2011 | popularity not rated yet | comments 3

Perspective article examines conductivity at the LaAlO3 and SrTiO3 (001) interface

(PhysOrg.com) -- Complex oxides have the potential to inject new functionalities into technologies that require semiconductors.  The correlated behavior of itinerant electrons in these materials sets complex oxides apart ...

Chemistry / Materials Science

created Oct 10, 2011 | popularity not rated yet | comments 0

Innovative organic solar cell architecture sets new performance level

The Belgian research centre imec, together with Plextronics and Solvay, present this week at the European Photovoltaic Solar Energy Conference and Exhibition (PVSEC) in Hamburg an organic polymer-based single ...

Technology / Semiconductors

created Sep 05, 2011 | popularity 5 / 5 (2) | comments 2

SNS, HFIR experiments help refine thin-film solar cells

(PhysOrg.com) -- Solar cells that convert sunlight into electricity could be a widely used renewable energy source. Getting to that point, though, requires breakthroughs in their cost and their efficiency at turning sunbeams ...

Chemistry / Materials Science

created Sep 02, 2011 | popularity not rated yet | comments 0

Researchers observe nanoscale charge transport in bulk heterojunction solar cells

(PhysOrg.com) -- Researchers in the CNST have used photoconductive atomic force microscopy (PCAFM) to characterize the nanoscale structure of organic photovoltaic (OPV) materials, and have performed a careful assessment of ...

Nanotechnology / Nanophysics

created Aug 11, 2011 | popularity 5 / 5 (1) | comments 0

Doctoral candidate publishes on graphene's potential

Since graphene was first isolated in 2004 with the help of Scotch tape, researchers have excitedly turned to the material to discover its potential applications. A single layer of carbon atoms whose applications range from ...

Nanotechnology / Nanomaterials

created Nov 18, 2010 | popularity 4.6 / 5 (5) | comments 1

New equation could advance research in solar cell materials

(PhysOrg.com) -- A groundbreaking new equation developed in part by researchers at the University of Michigan could do for organic semiconductors what the Shockley ideal diode equation did for inorganic semiconductors: ...

Physics / Condensed Matter

created Oct 20, 2010 | popularity 4.5 / 5 (12) | comments 0 | with audio podcast


List of search results for heterojunctions