3 papers
physics.app-ph2020
Emergence of New Materials for Exploiting Highly Efficient Carrier Multiplication in Photovoltaics
Sourav Maiti, Marco van der Laan, Deepika Poonia +3
In conventional solar cell semiconductor materials (predominantly Si) photons with energy higher than the band gap initially generate hot electrons and holes, which subsequently co…
physics.app-ph2020
Change in Tetracene Polymorphism Facilitates Triplet Transfer in Singlet Fission-Sensitized Silicon Solar Cells
Benjamin Daiber, Sourav Maiti, Silvia Ferro +8
Singlet fission in tetracene generates two triplet excitons per absorbed photon. If these triplet excitons can be effectively transferred into silicon (Si) then additional photocur…
cond-mat.mtrl-sci2016
Ligand-Surface Interactions and Surface Oxidation of Colloidal PbSe Quantum Dots Revealed by Thin-film Positron Annihilation Methods
Wenqin Shi, Stephan W. H. Eijt, C. S. Suchand Sandeep +6
Positron Two Dimensional Angular Correlation of Annihilation Radiation (2D-ACAR) measurements reveal modifications of the electronic structure and composition at the surfaces of Pb…