The time dependence of conductivity due to polarization of electron-holes pairs by the electric field of the THz pulse is found as a function of the sum of the electron-hole mobilities and delay time between the pump and probe pulses.
Fig. 26 shows the four steps by which OSCs are believed to operate; the process ultimately leads to the photogeneration of excitons and collection of charges in a simple bilayer device architecture. In the first step, bound electron–hole pairs are generated within one of the organic layers ...
Kim, Y., Smith, J.G. & Jain, P.K. Harvesting multiple electron–hole pairs generated through plasmonic excitation of Au nanoparticles.Nature Chem10, 763–769 (2018). https://doi.org/10.1038/s41557-018-0054-3 Download citation Received07 November 2017 ...
electron pairselectronsfree radicalsgamma radiationirradiationreaction kineticsspectraRECENT studies on γ-irradiated frozen aqueous solutions at 77° K have led to the elucidation of the kinetics of the reactions of electrons and holes produced by radiation 1 . From this it can be inferred that the ...
the injected electrons from the electron beam unbalance the equilibrium of the semiconductor and electron/ hole pairs are created. Within the depletion region, the natural field removes excess charge, creating increased reversed bias current. As a result, EBIC signals are generated primarily from burie...
415 Fabrication of micro composite structure by nano plastic forming In addition to using RGO as an electron "sink" to improve the transfer of photogenerated electron–hole pairs (EHPs) from CdS NWs, the TiO2 NPs on ... M Yoshino,S Chin-Chet,W Kurnia,... - 《Journal of Physics D Appli...
Hole Scavenging and Photo-Stimulated Recombination of Electron−Hole Pairs in Aqueous TiO2 Nanoparticles 来自 ACS 喜欢 0 阅读量: 25 作者:IA Shkrob,MC Sauer,Jr.摘要: It is shown that 532 and 1064 nm laser photoexcitation of trapped electrons generated by 355 nm photolysis of aqueous titania (...
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…in which ionizing radiation creates electron-hole pairs (see below Active detectors: Semiconductor detectors). In this case, however, traps for these charges are intentionally created through the addition of a dopant (impurity) or the special processing of the material. The object is to create...
A silicon drift detector (SDD) is the most common type of EDS detector used in a SEM instrument. The SDD is composed of a solid-state sensor that generates electron-hole pairs by absorbing X-rays. By measuring the charge generated in the detector over a signal collection period, a spectrum...