Results 201 to 210 of about 611,547 (259)

Near-infrared-to-deep-blue photon upconversion engineered from PbS quantum dots and perylene derivatives. [PDF]

Chem Sci
Li H, Luan Q, Zhang S, Xi L, Feng Y, Hou L.   +5 more
europepmc   +1 more source

Engineering Properties of GeSi Alloy Quantum Dots by High-Temperature Annealing. [PDF]

Nanomaterials (Basel)
Luo W, Yin Y, Huang Q, Yang J, Zhan Y, Liu Z, Jiang Z, Zheng C, Zhong Z.   +8 more
europepmc   +1 more source

Antenatally diagnosed severe congenital pulmonary airway malformation requiring life-saving lobectomy in the early neonatal period: A case report. [PDF]

Radiol Case Rep
Ouaer ME, Hamida HB, Frigui T, Hammouda SB, Hssan SB, Salem AB.   +5 more
europepmc   +1 more source

Subtractive color filters based coaxial metasurface structures with high saturation and brightness. [PDF]

Sci Rep
Ali A, Sayed H, Mobarak M, Aly AH, Sabra W.   +4 more
europepmc   +1 more source

Probing the structure of D₂O ice layers on ALD-grown ZrO₂, Al₂O₃ and TiO₂ thin films by sum frequency generation (SFG) spectroscopy.

Faraday Discuss
Li X, Gross S, Haunold T, Jang MH, Zukalova M, Jindra M, Olszówka JE, Lei Y, Vajda Š, Rupprechter G.   +9 more
europepmc   +1 more source

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Anomalous Blue Shift of Exciton Luminescence in Diamond

Nano Letters, 2022
Generally speaking, for a semiconductor, the temperature dependence of excitonic emission corresponds to that of its band gap. However, an anomalous behavior is exhibited by the excitonic luminescence of diamond where as the temperature increases (from 10 to 300 K), its indirect exciton luminescence peak displays a spectral-distinguishable blue shift ...
Xiaoping Ouyang, Feng Huang, Yanming Zhu   +2 more
exaly   +3 more sources

Aging of porous silicon and the origin of blue shift

Optics Express, 2003
Aging effects of porous silicon (PS) and the origin of blue shift are investigated. Photoluminescence (PL) measurements of the PS prepared with HF-EtOH solution showed a 210 meV blue shift after 1.5 months. It is found from deconvolution of the PL spectra that this shift is not fully related to the quantum confinement (QC) effect.
Tevhit Karaçali
exaly   +4 more sources

Blue-shifted lithium bonds

Chemical Communications, 2004
A number of lithium bonding systems (X-LiY) have been found in which the X-Li bond is shortened due to the lithium bond formation.
Yong, Feng, Lei, Liu, Jin-Ti, Wang, Xiao-Song, Li, Qing-Xiang, Guo   +4 more
openaire   +2 more sources

On the Difference of the Properties between the Blue-Shifting Halogen Bond and the Blue-Shifting Hydrogen Bond

The Journal of Physical Chemistry A, 2010
The difference of the properties between the blue-shifting halogen bond and the blue-shifitng hydrogen bond has been investigated at the M06/6-311++G(d,p) theory level. It was found that the three lone electron pairs on the halogen atom play an important role for the difference of the properties between the blue-shifting halogen bond and the blue ...
Weizhou, Wang, Yu, Zhang, Baoming, Ji
openaire   +2 more sources

Blue shifts vs red shifts in σ-hole bonding

Journal of Molecular Modeling, 2008
Sigma-hole bonding is a noncovalent interaction between a region of positive electrostatic potential on the outer surface of a Group V, VI, or VII covalently-bonded atom (a sigma-hole) and a region of negative potential on another molecule, e.g., a lone pair of a Lewis base.
Jane S, Murray, Monica C, Concha, Pat, Lane, Pavel, Hobza, Peter, Politzer   +4 more
openaire   +2 more sources