Jacopo Pedrini

Jacopo Pedrini
Università degli Studi di Milano-Bicocca | UNIMIB · Department of Materials Science

PhD

About

16
Publications
2,467
Reads
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473
Citations
Citations since 2017
8 Research Items
457 Citations
2017201820192020202120222023020406080
2017201820192020202120222023020406080
2017201820192020202120222023020406080
2017201820192020202120222023020406080
Additional affiliations
October 2015 - September 2016
Lawrence Berkeley National Laboratory
Position
  • Visiting PhD Scholar
January 2014 - March 2017
Università degli Studi di Milano-Bicocca
Position
  • PhD Student
Education
November 2010 - March 2013
Università degli Studi di Milano-Bicocca
Field of study
  • Materials Science
October 2007 - October 2010
Università degli Studi di Milano-Bicocca
Field of study
  • Materials Science

Publications

Publications (16)
Article
The latest trend in solar cell technology is to develop photon managing processes that adapt the solar emission to the spectral range at which the devices show the largest intrinsic efficiency. Triplet–triplet annihilation-assisted photon upconversion (sTTA-UC) is currently the most promising process to blue-shift sub-bandgap photons at solar irrad...
Article
Intracellular pH is a key parameter in many biological mechanisms and cell metabolism and is used to detect and monitor cancer formation and brain or heart diseases. pH-sensing is typically performed by fluorescence microscopy using pH-responsive dyes. Accuracy is limited by the need for quantifying the absolute emission intensity in living biologi...
Article
Long-life excimer-like structures Metal quantum clusters have ideal properties for medical applications such as imaging. The challenge is to prolong their transient properties for the fabrication of useful devices. Santiago-Gonzalez et al. arranged gold clusters in a supramolecular lattice held together by hydrogen bonding and showed that this mate...
Article
Full-text available
The photon upconversion based on triplet–triplet annihilation (TTA) is a mechanism that converts the absorbed low-energy electromagnetic radiation into higher energy photons also at extremely low excitation intensities, but its use in actual technologies is still hindered by the limited availability of efficient annihilator moieties. We present her...
Article
Full-text available
The conversion of low‐energy light into photons of higher energy based on sensitized triplet–triplet annihilation (sTTA) upconversion is emerging as the most promising wavelength‐shifting methodology because it operates efficiently at excitation powers as low as the solar irradiance. However, the production of solid‐state upconverters suited for di...
Article
Photon up-conversion based on triplet-triplet annihilation (TTA) exploits the annihilation of optically dark triplets of an organic emitter to produce high-energy singlets that generate the high energy emission. In recently proposed hybrid systems, the annihilating triplets are indirectly sensitized by light-harvesting semiconductor colloidal nanoc...
Article
Full-text available
Materials for nanophotonic devices ideally combine ease of deposition, very high refractive index, and facile pattern formation through lithographic templating and/or etching. In this work, we present a scalable method for producing high refractive index WS2 layers by chemical conversion of WO3 synthesized via atomic layer deposition (ALD). These c...
Article
In triplet-triplet annihilation based upconversion, high-energy photons are generated through the annihilation of fluorophores triplets, populated via energy transfer from a light-harvesting sensitizer. However, the absorption band of common sensitizers is narrow, limiting the fraction of recoverable photons. We overcome this issue using a third ch...
Article
Full-text available
Up-conversion (UC) of low-energy photons into high-energy light can in principle increase the efficiency of solar devices by converting photons with energies below the energy absorption threshold into radiation that can be utilized. Among up-conversion mechanisms, the sensitized triplet-triplet annihilation based up-conversion (sTTA-UC) is the most...
Article
Lead halide perovskite nanocrystals (NCs) are emerging as optically-active materials for solution-processed optoelectronic devices. Despite the technological relevance of tracing rational guidelines for optimizing their performances and stability beyond their intrinsic resilience to structural imperfections, no in-depth study of the role of selecti...
Article
As demonstrated by F. Meinardi, L. Beverina, and co-workers with 3T3 cells under a standard aerated environment on page 8447, sensitized triplettriplet annihilation based photon up-conversion greatly improves the scope and applicability of fluorescence bioimaging. Anti-Stokes detection at low powers eliminates background autofluorescence and limits...
Conference Paper
A crucial limit of solar devices is their inability to harvest the full solar spectrum. Currently, sensitized up-conversion based on triplet-tripled annihilation (STTA-UC) in bi-component organic systems is the most promising technique to recover sub-bandgap photons, showing good efficiencies also at excitation intensities comparable to the solar i...
Article
Sensitized triplet–triplet annihilation based photon up-conversion (TTA-UC) greatly improves the scope and applicability of fluorescence bioimaging by enabling anti-Stokes detection at low powers, thus eliminating the background autofluorescence and limiting the potential damage of the living tissues. Here the authors present a facile, one-step pro...
Article
Metal quantum clusters have ideal properties for medical applications such as imaging. The challenge is to prolong their transient properties for the fabrication of useful devices. Santiago-Gonzalez et al. arranged gold clusters in a supramolecular lattice held together by hydrogen bonding and showed that this material can be used for imaging of fi...
Article
The technological application of the sensitized up-conversion based on triplet-triplet annihilation (TTA) requires the transition from systems operating in liquid solutions to solid-state materials. Here, we demonstrate that the high up-conversion efficiency reported in hyper-cross-linked nanoparticles does not originate from a residual mobility of...

Questions

Question (1)
Question
I have a Nikon C1 confocal head attached to my Eclipse Ti microscope and I found that the technician who installed it mounted it completely out of alignment.
I was wondering if there is a known procedure to re-align the excitation line by myself or if I'm forced to call the Nikon assistance.

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