Imaging material functionality through three-dimensional nanoscale tracking of energy flow

Grain Boundaries Act as Solid Walls for Charge Carrier Diffusion in Large Crystal MAPI Thin Films

(2018) Richard Ciesielski et al.   ACS Applied Materials & Interfaces

Perovskite Solar Cells: From the Atomic Level to Film Quality and Device Performance

(2018) Michael Saliba et al.   ANGEWANDTE CHEMIE-INTERNATIONAL EDITION

Exciton Diffusion and Halo Effects in Monolayer Semiconductors

(2018) Marvin Kulig et al.   PHYSICAL REVIEW LETTERS

Quantitative mass imaging of single biological macromolecules

(2018) Gavin Young et al.   SCIENCE

Ultrafast Imaging of Carrier Transport across Grain Boundaries in Hybrid Perovskite Thin Films

(2018) Jordan M. Snaider et al.   ACS Energy Letters

Screened Charge Carrier Transport in Methylammonium Lead Iodide Perovskite Thin Films

(2017) Andrew H. Hill et al.   Journal of Physical Chemistry Letters

Resolving ultrafast exciton migration in organic solids at the nanoscale

(2017) Samuel B. Penwell et al.   NATURE MATERIALS

Long-Range Transport of Organic Exciton-Polaritons Revealed by Ultrafast Microscopy

(2017) Georgi Gary Rozenman et al.   ACS Photonics

Solution-processed semiconductors for next-generation photodetectors

(2017) F. Pelayo García de Arquer et al.   Nature Reviews Materials

Two Birds with One Stone: Tailoring Singlet Fission for Both Triplet Yield and Exciton Diffusion Length

(2016) Tong Zhu et al.   ADVANCED MATERIALS

Limiting Perovskite Solar Cell Performance by Heterogeneous Carrier Extraction

(2016) Wenming Tian et al.   ANGEWANDTE CHEMIE-INTERNATIONAL EDITION

Methylammonium lead iodide grain boundaries exhibit depth-dependent electrical properties

(2016) Gordon A. MacDonald et al.   Energy & Environmental Science

Electronic Dynamics in Natural Iron Pyrite Studied by Broadband Transient Reflection Spectroscopy

(2016) Shayne A. Sorenson et al.   Journal of Physical Chemistry C

Sub-10 fs Time-Resolved Vibronic Optical Microscopy

(2016) Christoph Schnedermann et al.   Journal of Physical Chemistry Letters

Interferometric scattering microscopy and its combination with single-molecule fluorescence imaging

(2016) Jaime Ortega Arroyo et al.   Nature Protocols

Grain-Size-Limited Mobility in Methylammonium Lead Iodide Perovskite Thin Films

(2016) Obadiah G. Reid et al.   ACS Energy Letters

Hybrid Organic-Inorganic Perovskites (HOIPs): Opportunities and Challenges

(2015) Joseph Berry et al.   ADVANCED MATERIALS

Are Mobilities in Hybrid Organic–Inorganic Halide Perovskites Actually “High”?

(2015) Thomas M. Brenner et al.   Journal of Physical Chemistry Letters

Benefit of Grain Boundaries in Organic–Inorganic Halide Planar Perovskite Solar Cells

(2015) Jae S. Yun et al.   Journal of Physical Chemistry Letters

Four-dimensional imaging of carrier interface dynamics in p-n junctions

(2015) E. Najafi et al.   SCIENCE

Low trap-state density and long carrier diffusion in organolead trihalide perovskite single crystals

(2015) D. Shi et al.   SCIENCE

Impact of microstructure on local carrier lifetime in perovskite solar cells

(2015) D. W. de Quilettes et al.   SCIENCE

Spatial and temporal imaging of long-range charge transport in perovskite thin films by ultrafast microscopy

(2015) Zhi Guo et al.   Nature Communications

Visualization of exciton transport in ordered and disordered molecular solids

(2014) Gleb M. Akselrod et al.   Nature Communications

Direct Imaging of Free Carrier and Trap Carrier Motion in Silicon Nanowires by Spatially-Separated Femtosecond Pump–Probe Microscopy

(2013) Michelle M. Gabriel et al.   NANO LETTERS

Thermal Imaging of Nanostructures by Quantitative Optical Phase Analysis

(2012) Guillaume Baffou et al.   ACS Nano

Mapping Carrier Diffusion in Single Silicon Core–Shell Nanowires with Ultrafast Optical Microscopy

(2012) M. A. Seo et al.   NANO LETTERS

Interferometric scattering microscopy (iSCAT): new frontiers in ultrafast and ultrasensitive optical microscopy

(2012) Jaime Ortega-Arroyo et al.   PHYSICAL CHEMISTRY CHEMICAL PHYSICS

Transient Reflection: A Versatile Technique for Ultrafast Spectroscopy of a Single Quantum Dot in Complex Environments

(2011) Christian Wolpert et al.   NANO LETTERS

Tuning charge transport in solution-sheared organic semiconductors using lattice strain

(2011) Gaurav Giri et al.   NATURE

Single-molecule imaging by optical absorption

(2011) Michele Celebrano et al.   Nature Photonics

Geometry-induced electrostatic trapping of nanometric objects in a fluid

(2010) Madhavi Krishnan et al.   NATURE

Large modulation of carrier transport by grain-boundary molecular packing and microstructure in organic thin films

(2009) Jonathan Rivnay et al.   NATURE MATERIALS

Grain-boundary-limited charge transport in solution-processed 6,13 bis(tri-isopropylsilylethynyl) pentacene thin film transistors

(2008) Jihua Chen et al.   JOURNAL OF APPLIED PHYSICS