activity
20162022
most citedSimultaneous observation of free and defect-bound excitons in CH3NH3PbI3 using four-wave mixing spectroscopy

40 citations · 162 across the 8 of their papers we have counts for

collaborators

8 papers

eess.IV2022★ 7 cited

On-the-fly 3D metrology of volumetric additive manufacturing

Antony Orth, Kathleen L. Sampson, Yujie Zhang +8

Additive manufacturing techniques are revolutionizing product development by enabling fast turnaround from design to fabrication. However, the throughput of the rapid prototyping p…

cs.NI2020★ 9 cited

Sensifi: A Wireless Sensing System for Ultra-High-Rate Applications

Chia-Chi Li, Vikram K. Ramanna, Daniel Webber +3

Wireless Sensor Networks (WSNs) are being used in various applications such as structural health monitoring and industrial control. Since energy efficiency is one of the major desi…

cond-mat.mtrl-sci2019★ 10 cited

Ultrafast acoustic phonon scattering in CHNHPbI revealed by femtosecond four-wave mixing

Samuel A. March, Drew B. Riley, Charlotte Clegg +4

Carrier scattering processes are studied in CHNHPbI using temperature-dependent four-wave mixing experiments. Our results indicate that scattering by ionized impurities…

cond-mat.mtrl-sci2017★ 34 cited

Carrier Diffusion in Thin-Film CH3NH3PbI3 Perovskite Measured using Four-Wave Mixing

D. Webber, C. Clegg, A. W. Mason +3

We report the application of femtosecond four-wave mixing (FWM) to the study of carrier transport in solution-processed CH3NH3PbI3. The diffusion coefficient was extracted through…

cond-mat.mes-hall2016★ 40 cited

Simultaneous observation of free and defect-bound excitons in CH3NH3PbI3 using four-wave mixing spectroscopy

Samuel A. March, Charlotte Clegg, Drew B. Riley +3

Solar cells incorporating organic-inorganic perovskite, which may be fabricated using low-cost solution-based processing, have witnessed a dramatic rise in efficiencies yet their f…

cond-mat.mes-hall2016★ 6 cited

Signatures of four-particle correlations associated with exciton-carrier interactions in coherent spectroscopy on bulk GaAs

D. Webber, B. L. Wilmer, X. Liu +4

Transient four-wave mixing studies of bulk GaAs under conditions of broad bandwidth excitation of primarily interband transitions have enabled four-particle correlations tied to de…

cond-mat.mes-hall2016★ 20 cited

Role of Strain on the Coherent Properties of GaAs Excitons and Biexcitons

Brian L. Wilmer, Daniel Webber, Joseph M. Ashley +2

Polarization-dependent two-dimensional Fourier-transform spectroscopy (2DFTS) is performed on excitons in strained bulk GaAs layers probing the coherent response for differing amou…

cond-mat.mtrl-sci2016★ 36 cited

Four-wave mixing in perovskite photovoltaic materials reveals long dephasing times and weaker many-body interactions than GaAs

Samuel A. March, Drew B. Riley, Charlotte Clegg +6

Perovksite semiconductors have shown promise for low-cost solar cells, lasers and photodetectors, yet their fundamental photophysical properties are not well understood. Recent obs…