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Items: 17

1.

Extremely efficient internal exciton dissociation through edge states in layered 2D perovskites.

Blancon JC, Tsai H, Nie W, Stoumpos CC, Pedesseau L, Katan C, Kepenekian M, Soe CM, Appavoo K, Sfeir MY, Tretiak S, Ajayan PM, Kanatzidis MG, Even J, Crochet JJ, Mohite AD.

Science. 2017 Mar 24;355(6331):1288-1292. doi: 10.1126/science.aal4211. Epub 2017 Mar 9.

PMID:
28280250
2.

Polaron Stabilization by Cooperative Lattice Distortion and Cation Rotations in Hybrid Perovskite Materials.

Neukirch AJ, Nie W, Blancon JC, Appavoo K, Tsai H, Sfeir MY, Katan C, Pedesseau L, Even J, Crochet JJ, Gupta G, Mohite AD, Tretiak S.

Nano Lett. 2016 Jun 8;16(6):3809-16. doi: 10.1021/acs.nanolett.6b01218. Epub 2016 May 27.

PMID:
27224519
3.

Exciton Correlations in Intramolecular Singlet Fission.

Sanders SN, Kumarasamy E, Pun AB, Appavoo K, Steigerwald ML, Campos LM, Sfeir MY.

J Am Chem Soc. 2016 Jun 15;138(23):7289-97. doi: 10.1021/jacs.6b00657. Epub 2016 Jun 1.

PMID:
27183040
4.

Light-activated photocurrent degradation and self-healing in perovskite solar cells.

Nie W, Blancon JC, Neukirch AJ, Appavoo K, Tsai H, Chhowalla M, Alam MA, Sfeir MY, Katan C, Even J, Tretiak S, Crochet JJ, Gupta G, Mohite AD.

Nat Commun. 2016 May 16;7:11574. doi: 10.1038/ncomms11574.

5.

Heterogeneous nucleation and growth dynamics in the light-induced phase transition in vanadium dioxide.

Brady NF, Appavoo K, Seo M, Nag J, Prasankumar RP, Haglund RF Jr, Hilton DJ.

J Phys Condens Matter. 2016 Mar 31;28(12):125603. doi: 10.1088/0953-8984/28/12/125603. Epub 2016 Mar 2.

PMID:
26932975
6.

Excitonic Lasing in Solution-Processed Subwavelength Nanosphere Assemblies.

Appavoo K, Liu X, Menon V, Sfeir MY.

Nano Lett. 2016 Mar 9;16(3):2004-10. doi: 10.1021/acs.nanolett.5b05274. Epub 2016 Feb 10.

PMID:
26840127
7.

Structural patterns at all scales in a nonmetallic chiral Au133(SR)52 nanoparticle.

Zeng C, Chen Y, Kirschbaum K, Appavoo K, Sfeir MY, Jin R.

Sci Adv. 2015 Mar 20;1(2):e1500045. doi: 10.1126/sciadv.1500045. eCollection 2015 Mar.

8.

Hybrid Si-VO(2)-Au optical modulator based on near-field plasmonic coupling.

Markov P, Appavoo K, Haglund RF Jr, Weiss SM.

Opt Express. 2015 Mar 9;23(5):6878-87. doi: 10.1364/OE.23.006878.

PMID:
25836907
9.

Quantifying bulk and surface recombination processes in nanostructured water splitting photocatalysts via in situ ultrafast spectroscopy.

Appavoo K, Liu M, Black CT, Sfeir MY.

Nano Lett. 2015 Feb 11;15(2):1076-82. doi: 10.1021/nl504035j. Epub 2015 Jan 15.

PMID:
25564871
10.

Polarization selective phase-change nanomodulator.

Appavoo K, Haglund RF Jr.

Sci Rep. 2014 Oct 27;4:6771. doi: 10.1038/srep06771.

11.

Enhanced broadband ultrafast detection of ultraviolet emission using optical Kerr gating.

Appavoo K, Sfeir MY.

Rev Sci Instrum. 2014 May;85(5):055114. doi: 10.1063/1.4873475.

PMID:
24880422
12.

Ultrafast phase transition via catastrophic phonon collapse driven by plasmonic hot-electron injection.

Appavoo K, Wang B, Brady NF, Seo M, Nag J, Prasankumar RP, Hilton DJ, Pantelides ST, Haglund RF Jr.

Nano Lett. 2014 Mar 12;14(3):1127-33. doi: 10.1021/nl4044828. Epub 2014 Jan 31.

PMID:
24484272
13.

Ultrafast changes in lattice symmetry probed by coherent phonons.

Wall S, Wegkamp D, Foglia L, Appavoo K, Nag J, Haglund RF Jr, Stähler J, Wolf M.

Nat Commun. 2012 Mar 6;3:721. doi: 10.1038/ncomms1719.

PMID:
22395612
14.

Role of defects in the phase transition of VO2 nanoparticles probed by plasmon resonance spectroscopy.

Appavoo K, Lei DY, Sonnefraud Y, Wang B, Pantelides ST, Maier SA, Haglund RF Jr.

Nano Lett. 2012 Feb 8;12(2):780-6. doi: 10.1021/nl203782y. Epub 2012 Jan 24.

PMID:
22273268
15.

Revealing plasmonic gap modes in particle-on-film systems using dark-field spectroscopy.

Lei DY, Fernández-Domínguez AI, Sonnefraud Y, Appavoo K, Haglund RF, Pendry JB, Maier SA.

ACS Nano. 2012 Feb 28;6(2):1380-6. doi: 10.1021/nn204190e. Epub 2012 Jan 23.

PMID:
22256972
16.

Detecting nanoscale size dependence in VO2 phase transition using a split-ring resonator metamaterial.

Appavoo K, Haglund RF.

Nano Lett. 2011 Mar 9;11(3):1025-31. doi: 10.1021/nl103842v. Epub 2011 Feb 9.

PMID:
21306154
17.

Single-particle plasmon resonance spectroscopy of phase transition in vanadium dioxide.

Lei DY, Appavoo K, Sonnefraud Y, Haglund RF Jr, Maier SA.

Opt Lett. 2010 Dec 1;35(23):3988-90. doi: 10.1364/OL.35.003988.

PMID:
21124588

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