Warwick Centre for Ultrafast Spectroscopy: News

Ultrafast Dynamics of Excitons and Charge Carriers in Van der Waals WS2 Nanotubes

M.I. Paukov, V.V. Starchenko, A.A. Melnikov, G.A. Komandin, A.E. Goldt, D.I. Yakubovsky, A.V. Syuy, P. Mishra, K.I. Zaytsev, S.V. Garnov, A.G. Nasibulin, A.V. Arsenin, V. Volkov, M.G. Burdanova

Materials Today Chemistry, 36, 2024

Tue 07 May 2024, 09:12 | Tags: Paper OPTP News

Resolving the Ultrafast Charge Carrier Dynamics of 2D and 3D Domains within a Mixed 2D/3D Lead-Tin Perovskite

J. D. Hutchinson, E. Ruggeri, J. M. Woolley, G. Delport, S. D. Stranks, R. L. Milot.

Adv. Funct. Mater, 33, 50, 2023

Mon 07 Aug 2023, 14:31 | Tags: Paper OPTP News TEAS

The 2021 ultrafast spectroscopic probes of condensed matter roadmap

J. Lloyd-Hughes, P.M. Oppeneer, T. Pereira dos Santos, A. Schleife, S. Meng, M.A. Sentef, M. Ruggenthaler, A. Rubio, I. Radu, M. Murnane, X. Shi, H. Kapteyn, B. Stadtmüller, K.M. Dani, F.H. da Jornada, E. Prinz, M. Aeschlimann, R.L. Milot, M. Burdanova, J. Boland, T. Cocker and F. Hegmann
J. Phys.: Cond. Matt. 33 353001 (July 2021) [ pdf ] [ ref ]

Tue 06 Jul 2021, 10:48 | Tags: Paper TVAS Terahertz OPTP TEAS

Hot carriers in mixed Pb-Sn halide perovskite semiconductors cool slowly while retaining their electrical mobility

M. Monti, K.D.G.I. Jayawardena, E. Butler-Caddle, R.M.I. Bandara, J.M. Woolley, M. Staniforth, S.R.P. Silva and J. Lloyd-Hughes
Phys. Rev. B 102 245204 (Dec 2020) [ pdf ] [ ref ]

Mon 28 Dec 2020, 16:35 | Tags: Paper OPTP TEAS Analytical spectroscopy

Ultrafast, high modulation depth terahertz modulators based on carbon nanotube thin films

M.G. Burdanova, G.M. Katybab, R. Kashtiban, G.A. Komandin, E. Butler-Caddle, M. Staniforth, A.A. Mkrtchyan, D.V. Krasnikov, Y.G. Gladush, J.Sloan, A.G. Nasibulin and J. Lloyd-Hughes
Carbon 173 245 (Mar 2021) [ free e-print ] [ pdf ] [ ref ]

Fri 13 Nov 2020, 23:19 | Tags: Paper Terahertz OPTP News

Ultrafast Optoelectronic Processes in 1D Radial van der Waals Heterostructures: Carbon, Boron Nitride, and MoS₂ Nanotubes with Coexisting Excitons and Highly Mobile Charges

M.G. Burdanova, R.J. Kashtiban, Y. Zheng, R. Xiang, S. Chiashi, J.M. Woolley, M. Staniforth, E. Sakamoto-Rablah, X. Xie, M. Broome, J. Sloan, A. Anisimov, E.I. Kauppinen, S. Maruyama and J. Lloyd-Hughes
Nano Lett. (Apr 2020) [ free e-print ] [ preprint pdf ] [ ref ]

Thu 30 Apr 2020, 08:01 | Tags: Paper Terahertz OPTP TEAS Analytical spectroscopy

Approaching the Shockley-Queisser limit for fill factors in lead–tin mixed perovskite photovoltaics

K.D.G.I. Jayawardena, R.M.I. Bandara, M. Monti, E. Butler-Caddle, T. Pichler, H. Shiozawa, Z. Wang, S. Jenatsch, S.J. Hinder, M.G. Masteghin, M. Patel, H.M. Thirimanne, W. Zhang, R.A. Sporea, J. Lloyd-Hughes and S. R. P. Silva
J. Mater. Chem. A 8 693 (Jan 2020) [ pdf ] [ ref ]

Mon 06 Jan 2020, 20:28 | Tags: Paper Terahertz OPTP

Tin(IV) dopant removal through anti-solvent engineering enabling tin based perovskite solar cells with high charge carrier mobilities

R. M. I. Bandara, K. D. G. I. Jayawardena, S. O. Adeyemo, S. J. Hinder, J. A. Smith, H. M. Thirimanne, N. C. Wong, F. M. Amin, B. G. Freestone, A. J. Parnell, D. G. Lidzey, H. J. Joyce, R. A. Sporea and S. R. P. Silva
J. Mater. Chem. C, 7, 8389-8397 (2019)

Mon 09 Sep 2019, 09:31 | Tags: Paper Terahertz OPTP

Giant negative terahertz photoconductivity in controllably doped carbon nanotube networks

M.G. Burdanova, A.P. Tsapenko, D.A. Satco, R.J. Kashtiban, C.D.W. Mosley, M. Monti, M. Staniforth, J. Sloan, Y. Gladush, A.G. Nasibulin and J. Lloyd-Hughes
ACS Photonics just accepted (Mar 2019) [ pdf ] [ ref ]

Fri 15 Mar 2019, 08:00 | Tags: Paper Terahertz OPTP Analytical spectroscopy

Efficient Intraband Hot Carrier Relaxation in the Perovskite Semiconductor Cs_1-xRb_xSnI₃ Mediated by Strong Electron-Phonon Coupling

M. Monti, S. Tao, M. Staniforth, A. Crocker, E. Griffin, A. Wijesekara, R.A. Hatton, and J. Lloyd-Hughes
J. Phys. Chem. C 122 20669 (Aug 2018) [ pdf ] [ ref ]

Tue 21 Aug 2018, 09:00 | Tags: Paper Terahertz OPTP Analytical spectroscopy