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Kannatassen Appavoo (Krishen)
Kannatassen Appavoo (Krishen)
Associate Professor, Department of Physics, UAB
Bestätigte E-Mail-Adresse bei uab.edu - Startseite
Titel
Zitiert von
Zitiert von
Jahr
Extremely efficient internal exciton dissociation through edge states in layered 2D perovskites
JC Blancon, H Tsai, W Nie, CC Stoumpos, L Pedesseau, C Katan, ...
Science 355 (6331), 1288-1292, 2017
10722017
Light-activated photocurrent degradation and self-healing in perovskite solar cells
W Nie, JC Blancon, AJ Neukirch, K Appavoo, H Tsai, M Chhowalla, ...
Nature communications 7 (1), 11574, 2016
8072016
Structural patterns at all scales in a nonmetallic chiral Au133(SR)52 nanoparticle
C Zeng, Y Chen, K Kirschbaum, K Appavoo, MY Sfeir, R Jin
Science Advances 1 (2), e1500045, 2015
3812015
Polaron stabilization by cooperative lattice distortion and cation rotations in hybrid perovskite materials
AJ Neukirch, W Nie, JC Blancon, K Appavoo, H Tsai, MY Sfeir, C Katan, ...
Nano letters 16 (6), 3809-3816, 2016
3102016
Role of Defects in the Phase Transition of VO2 Nanoparticles Probed by Plasmon Resonance Spectroscopy
K Appavoo, DY Lei, Y Sonnefraud, B Wang, ST Pantelides, SA Maier, ...
Nano letters 12 (2), 780-786, 2012
2682012
Ultrafast changes in lattice symmetry probed by coherent phonons
S Wall, D Wegkamp, L Foglia, K Appavoo, J Nag, RF Haglund Jr, ...
Nature communications 3 (1), 721, 2012
2532012
Revealing plasmonic gap modes in particle-on-film systems using dark-field spectroscopy
DY Lei, AI Fernández-Domínguez, Y Sonnefraud, K Appavoo, ...
Acs Nano 6 (2), 1380-1386, 2012
2072012
Ultrafast phase transition via catastrophic phonon collapse driven by plasmonic hot-electron injection
K Appavoo, B Wang, NF Brady, M Seo, J Nag, RP Prasankumar, DJ Hilton, ...
Nano letters 14 (3), 1127-1133, 2014
1522014
Exciton correlations in intramolecular singlet fission
SN Sanders, E Kumarasamy, AB Pun, K Appavoo, ML Steigerwald, ...
Journal of the American Chemical Society 138 (23), 7289-7297, 2016
1382016
Optically-Triggered Nanoscale Memory Effect in a Hybrid Plasmonic-Phase Changing Nanostructure
SAM Dang Yuan Lei, Kannatassen Appavoo, Filip Ligmajer, Yannick Sonnefraud ...
ACS Photonics, 2015
1312015
Detecting Nanoscale Size Dependence in VO2 Phase Transition Using a Split-Ring Resonator Metamaterial
K Appavoo, RF Haglund Jr
Nano letters 11 (3), 1025-1031, 2011
1262011
Tracking the evolution of electronic and structural properties of VO during the ultrafast photoinduced insulator-metal transition
S Wall, L Foglia, D Wegkamp, K Appavoo, J Nag, RF Haglund Jr, ...
Physical Review B—Condensed Matter and Materials Physics 87 (11), 115126, 2013
1182013
Hybrid Si-VO2-Au optical modulator based on near-field plasmonic coupling
P Markov, K Appavoo, RF Haglund Jr, SM Weiss
Optics express 23 (5), 6878-6887, 2015
902015
Single-particle plasmon resonance spectroscopy of phase transition in vanadium dioxide
DY Lei, K Appavoo, Y Sonnefraud, RF Haglund Jr, SA Maier
Optics letters 35 (23), 3988-3990, 2010
792010
Electron-beam deposition of vanadium dioxide thin films
RE Marvel, K Appavoo, BK Choi, J Nag, RF Haglund
Applied Physics A 111, 975-981, 2013
702013
Quantifying bulk and surface recombination processes in nanostructured water splitting photocatalysts via in situ ultrafast spectroscopy
K Appavoo, M Liu, CT Black, MY Sfeir
Nano letters 15 (2), 1076-1082, 2015
612015
Polarization selective phase-change nanomodulator
K Appavoo, RF Haglund Jr
Scientific Reports 4 (1), 6771, 2014
602014
Epitaxial VO2 Nanostructures: A Route to Large-Scale, Switchable Dielectric Metasurfaces
F Ligmajer, L Kejik, U Tiwari, M Qiu, J Nag, M Konecny, T Sikola, W Jin, ...
ACS photonics 5 (7), 2561-2567, 2018
482018
Role of size and defects in ultrafast broadband emission dynamics of ZnO nanostructures
K Appavoo, M Liu, MY Sfeir
Applied Physics Letters 104 (13), 2014
342014
Enhanced broadband ultrafast detection of ultraviolet emission using optical Kerr gating
K Appavoo, MY Sfeir
Review of Scientific Instruments 85 (5), 2014
322014
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