Photoelectrochemical response and electronic structure analysis of mono-dispersed cuboid-shaped Bi2Fe4O9 crystals with near-infrared absorption

RSC Advances ◽  
2014 ◽  
Vol 4 (54) ◽  
pp. 28209-28218 ◽  
Author(s):  
Yangyang Zhang ◽  
Yiping Guo ◽  
Huanan Duan ◽  
Hua Li ◽  
Lei Yang ◽  
...  
Keyword(s):  
Electronic Structure ◽  
Structure Analysis ◽  
Infrared Absorption ◽  
Near Infrared ◽  
Solar Spectrum ◽  
Strong Absorption ◽  
Photoelectrochemical Response

The [001]-oriented cuboid-shaped Bi2Fe4O9 with an indirect bandgap of 1.29 eV and strong absorption in all solar spectrum shows distinct photocurrent as photoanode.

Photophysical Properties and Electronic Structure of Bacteriochlorin-Chalcones with Extended Near-Infrared Absorption

2013 ◽  
Vol 89 (3) ◽  
pp. 586-604 ◽  
Author(s):  
Eunkyung Yang ◽  
Christian Ruzié ◽  
Michael Krayer ◽  
James R. Diers ◽  
Dariusz M. Niedzwiedzki ◽  
...  
Keyword(s):  
Electronic Structure ◽  
Infrared Absorption ◽  
Near Infrared ◽  
Photophysical Properties

Synthesis, photophysics and electronic structure of oxobacteriochlorins

2017 ◽  
Vol 41 (10) ◽  
pp. 3732-3744 ◽  
Author(s):  
Mengran Liu ◽  
Chih-Yuan Chen ◽  
Don Hood ◽  
Masahiko Taniguchi ◽  
James R. Diers ◽  
...  
Keyword(s):  
Electronic Structure ◽  
Near Infrared ◽  
Strong Absorption

Synthetic oxobacteriochlorins exhibit strong absorption in the deep-red window flanked by chlorins to the red and bacteriochlorins to the near-infrared.

The substitution of the platinum counter electrode in a plasmonic photoelectrochemical system with near-infrared absorption for solar water splitting

RSC Advances ◽  
2016 ◽  
Vol 6 (105) ◽  
pp. 103160-103168 ◽  
Author(s):  
Chih-Jung Chen ◽  
Chih Kai Chen ◽  
Tzu-Hsiang Lu ◽  
Shu-Fen Hu ◽  
Ru-Shi Liu
Keyword(s):  
Water Splitting ◽  
Infrared Absorption ◽  
Counter Electrode ◽  
Near Infrared ◽  
Solar Spectrum ◽  
Pt Electrode ◽  
Solar Water ◽  
Solar Water Splitting ◽  
Wide Range

A plasmonic photoelectrochemical system was constructed by alternating the conventional Pt electrode for utilizing a wide range of the solar spectrum.

Study on the Near-infrared Absorption Properties of ZnGeP2 Single Crystals

2010 ◽  
Vol 25 (10) ◽  
pp. 1029-1033
Author(s):  
Shi-Xing XIA ◽  
Chun-Hui YANG ◽  
Chong-Qiang ZHU ◽  
Tian-Hui MA ◽  
Meng WANG ◽  
...  
Keyword(s):  
Single Crystals ◽  
Infrared Absorption ◽  
Near Infrared ◽  
Absorption Properties

Pyrrole-bridged quinones: π-electronic systems that modulate electronic structures by tautomerism and deprotonation

2021 ◽  
Author(s):  
Shinya Sugiura ◽  
Hiromitsu Maeda
Keyword(s):  
Infrared Absorption ◽  
Electronic Structures ◽  
Near Infrared ◽  
Ion Pairing ◽  
Anion Binding ◽  
Electronic Systems

A new series of π-extended quinone derivatives containing a pyrrole bridge exhibited NH/OH-type tautomerization and anion binding along with deprotonation that induced near-infrared absorption and ion-pairing assemblies.

scholarly journals Characterization and mapping of hematite ore mineral classes using hyperspectral remote sensing technique: a case study from Bailadila iron ore mining region

2021 ◽  
Vol 3 (2) ◽  
Author(s):  
Ibrahim Shaik ◽  
S. K. Begum ◽  
P. V. Nagamani ◽  
Narayan Kayet
Keyword(s):  
Infrared Absorption ◽  
Near Infrared ◽  
Spectral Feature ◽  
Absorption Feature ◽  
X Ray ◽  
Remote Sensing Technique ◽  
Ore Minerals ◽  
Feature Fitting ◽  
Hematite Ore

AbstractThe study demonstrates a methodology for mapping various hematite ore classes based on their reflectance and absorption spectra, using Hyperion satellite imagery. Substantial validation is carried out, using the spectral feature fitting technique, with the field spectra measured over the Bailadila hill range in Chhattisgarh State in India. The results of the study showed a good correlation between the concentration of iron oxide with the depth of the near-infrared absorption feature (R2 = 0.843) and the width of the near-infrared absorption feature (R2 = 0.812) through different empirical models, with a root-mean-square error (RMSE) between < 0.317 and < 0.409. The overall accuracy of the study is 88.2% with a Kappa coefficient value of 0.81. Geochemical analysis and X-ray fluorescence (XRF) of field ore samples are performed to ensure different classes of hematite ore minerals. Results showed a high content of Fe > 60 wt% in most of the hematite ore samples, except banded hematite quartzite (BHQ) (< 47 wt%).

Near-infrared Inorganic Nanomaterials-based Nanosystem for Photothermal Therapy

Nanoscale ◽  
2021 ◽  
Author(s):  
Yufei Wang ◽  
Hongmin Meng ◽  
Zhaohui Li
Keyword(s):  
Photothermal Therapy ◽  
Near Infrared ◽  
Strong Absorption ◽  
Non Invasive ◽  
Inorganic Nanomaterials

The development of robust materials for treating diseases through non-invasive photothermal therapy (PTT) has attracted increasing attention in recent years. Among many types of nanomaterials, inorganic nanomaterials with strong absorption...

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