Explore the words cloud of the NanoEAscopy project. It provides you a very rough idea of what is the project "NanoEAscopy" about.
The following table provides information about the project.
THE CHANCELLOR MASTERS AND SCHOLARSOF THE UNIVERSITY OF CAMBRIDGE
|Coordinator Country||United Kingdom [UK]|
|Total cost||183˙454 €|
|EC max contribution||183˙454 € (100%)|
1. H2020-EU.1.3.2. (Nurturing excellence by means of cross-border and cross-sector mobility)
|Duration (year-month-day)||from 2017-09-01 to 2019-08-31|
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|1||THE CHANCELLOR MASTERS AND SCHOLARSOF THE UNIVERSITY OF CAMBRIDGE||UK (CAMBRIDGE)||coordinator||183˙454.00|
Nanostructured electronic materials e.g. organic semiconductors (OSCs) and 2D semiconductors offer great promise for applications in optoelectronic (OE) devices, such as photovoltaics (PVs), light emitting diodes (LEDs) and photodetectors. The primary photoexcitations in both OSCs and 2D semiconductors are strongly bound excitons, quasiparticles of electrons and hole bound by the Coulomb interaction. Three aspects of these materials stand out when attempting to study photophysics of these materials. (1) Many of the crucial OE process in these systems occur at heterojunctions between p- and n-type materials, where charges recombine to form excitons and excitons dissociate to form charges. (2) The timescale for many such process is sub-ps, and charge transfer and charge separation (CS) can occur on sub-100fs timescales. (3) thin films made of these materials possess spatial inhomogeneity on µm and sub-µm length scales, due to variations in molecular packing, crystallinity and phase segregation in OSCs and due to lattice defects and variation in surface passivation and strain in 2D materials. No currently available technique has the ability to spatially correlate transient spectroscopic data with local molecular structure and composition. In order to do this, we will develop a new platform to directly image CS with sub-10fs time-resolution with sub-µm spatial resolution. Recent advances in pump-probe microscopy and ultrafast Electro-Absorption (EA) spectroscopy in the host’s group will be combined with the applicant’s expertise with optical microscopes and advanced data analysis methods to detect and quantify inhomogeneity. Novel analysis methods combined with an ultrafast EA pump-probe microscopy will allow for correlation of transient spectroscopic data with local molecular structure and composition. This will lead us to elucidate how CS is controlled by local properties such as molecular packing and crystallinity in OSCs and defect sites etc. in 2D semiconductors.
|year||authors and title||journal||last update|
Sachin Dev Verma, Qifei Gu, Aditya Sadhanala, Vijay Venugopalan, Akshay Rao
Slow Carrier Cooling in Hybrid Pbâ€“Sn Halide Perovskites
published pages: 736-740, ISSN: 2380-8195, DOI: 10.1021/acsenergylett.9b00251
|ACS Energy Letters 4/3||2020-03-23|
Christoph Schnedermann, Jooyoung Sung, Raj Pandya, Sachin Dev Verma, Richard Y. S. Chen, Nicolas Gauriot, Hope M. Bretscher, Philipp Kukura, Akshay Rao
Ultrafast Tracking of Exciton and Charge Carrier Transport in Optoelectronic Materials on the Nanometer Scale
published pages: 6727-6733, ISSN: 1948-7185, DOI: 10.1021/acs.jpclett.9b02437
|The Journal of Physical Chemistry Letters 10||2020-03-23|
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The information about "NANOEASCOPY" are provided by the European Opendata Portal: CORDIS opendata.
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