Photocurrent Enhancement from Solid-State Triplet–Triplet Annihilation Upconversion of Low-Intensity, Low-Energy Photons

ACS Photonics ◽  
2016 ◽  
Vol 3 (5) ◽  
pp. 784-790 ◽  
Author(s):  
Chuanhao Li ◽  
Christopher Koenigsmann ◽  
Fan Deng ◽  
Anna Hagstrom ◽  
Charles A. Schmuttenmaer ◽  
...  
Keyword(s):  
Solid State ◽  
Low Energy ◽  
Low Intensity ◽  
Triplet Triplet Annihilation

Bi-Crystal Compensation Method for the Over-Response of Solid-State Dosimetry

2014 ◽  
Vol 605 ◽  
pp. 540-543 ◽  
Author(s):  
Ruo Xi Wang ◽  
Patrick Pittet ◽  
Julien Ribouton ◽  
Guo Neng Lu ◽  
Jean Marc Galvan ◽  
...  
Keyword(s):  
Solid State ◽  
Measured Data ◽  
Compensation Method ◽  
Low Energy ◽  
Field Size ◽  
Reference Curve ◽  
Pencil Beam ◽  
Dose Ratio ◽  
Highly Sensitive

Solid-state dosimetry employs highly sensitive semiconductors such as Gallium Nitride (GaN) and Silicon (Si), but they have a common drawback of over response compared to tissues for low-energy scattered photons, which induces inacceptable errors for radiotherapy application. To tackle this issue, we propose a compensation method consisting in using two different materials of dosimetric interest with different atomic numbers. Their responses are denoted as SC1 and SC2. The response ratio SC1/water as a function of the ratio SC1/SC2 exhibits a monotonic curve that can serve as reference to compensate the over-response of SC1. To validate this method, we have studied the dosimetric response of GaN (0.1 mm3) and Si crystals (2.5 mm3) by simulations, using a validated model based on the general cavity theory in a homogeneous water phantom. The dosimetric response of GaN and Si calculated using the model has errors within 2.5% compared to measured data. The local fluence spectra have been obtained by convolution of pencil beam kernel built by Monte Carlo simulations for different clinical irradiation conditions with field size (from 5×5 cm2up to 20×20 cm2) at depth in the phantom (from 2 cm to 25 cm). The obtained results confirm a monotone relationship between GaN/water dose ratio and GaN/Si dose ratio. The reference curve is independent of irradiation conditions (field size, dosimeter position...), and allows determination of compensation value by identification.

scholarly journals Low energy upscattering of UCN in interaction with the surface of solid state

2007 ◽  
Vol 367 (4-5) ◽  
pp. 268-270 ◽  
Author(s):  
A. Serebrov ◽  
A. Vassiljev ◽  
M. Lasakov ◽  
I. Krasnoschekova ◽  
A. Fomin ◽  
...  
Keyword(s):  
Solid State ◽  
Low Energy

scholarly journals Enhanced sub-bandgap efficiency of a solid-state organic intermediate band solar cell using triplet–triplet annihilation

2017 ◽  
Vol 10 (6) ◽  
pp. 1465-1475 ◽  
Author(s):  
YunHui L. Lin ◽  
Marius Koch ◽  
Alyssa N. Brigeman ◽  
David M. E. Freeman ◽  
Lianfeng Zhao ◽  
...  
Keyword(s):  
Solar Cell ◽  
Solid State ◽  
Intermediate Band ◽  
Intermediate Band Solar Cell ◽  
Triplet Triplet Annihilation

A novel solid-state design is presented for an organic intermediate band solar cell with electrically integrated triplet–triplet annihilation upconversion.

The use of low-energy accelerators in low-temperature solid-state physics at the Centre D'Etudes Nucleaires de Grenoble

1971 ◽  
Vol 92 (4) ◽  
pp. 463
Author(s):  
E. Bonjour ◽  
J.M. Cotignola ◽  
Y. Depierre ◽  
R. Lagnier ◽  
C. Minier ◽  
...  
Keyword(s):  
State Physics ◽  
Solid State ◽  
Low Temperature ◽  
Low Energy ◽  
Solid State Physics

scholarly journals Triplet–triplet annihilation upconversion followed by FRET for the red light activation of a photodissociative ruthenium complex in liposomes

2015 ◽  
Vol 17 (41) ◽  
pp. 27380-27390 ◽  
Author(s):  
Sven H. C. Askes ◽  
Miroslav Kloz ◽  
Gilles Bruylants ◽  
John T. M. Kennis ◽  
Sylvestre Bonnet
Keyword(s):  
Lipid Bilayer ◽  
Ruthenium Complex ◽  
Red Light ◽  
High Energy ◽  
Low Energy ◽  
Light Activation ◽  
Triplet Triplet Annihilation

Three molecules in a single lipid bilayer to trigger high-energy photochemistry with low-energy photons.

InP solid state detector for measurement of low energy solar neutrinos

2010 ◽  
Vol 623 (1) ◽  
pp. 460-462 ◽  
Author(s):  
Yoshiyuki Fukuda ◽  
Toshiyuki Izawa ◽  
Yusuke Koshio ◽  
Shigetaka Moriyama ◽  
Toshio Namba ◽  
...  
Keyword(s):  
Solid State ◽  
Solar Neutrinos ◽  
Low Energy ◽  
Solid State Detector ◽  
State Detector
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