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Nanotechnology Now Home > Press > 2D materials for conducting hole currents from grain boundaries in perovskite solar cells a,b The structural schematic diagram and energy-level band diagram of a BP-modified PSC with a normal structure. c,d Current density-voltage (J-V) curves (reverse scan) and external quantum efficiency (EQE) spectra of PSCs without (control) and with BP deposition (1~3 times) on perovskite film surface. e Histogram of power conversion efficiencies (PCEs) of PSCs without (control) and with BP modification (BP coating for 2 times). The PCEs are derived from the reverse scan...

Our NanoNews Digest Sponsors Home > Press > Search for strange Skyrmion phenomenon fails but finds stranger magnetic beaded necklace: Physicists on the hunt for a rarely seen magnetic spin texture have discovered another object that bears its hallmarks, hidden in the structure of ultra-thin magnetic films, that they have c The measured domain pattern of the 'incommensurate spin crystal' phase. CREDIT University of Warwick Abstract: •University of Warwick physicists set out to find Skyrmions, only to find near-identical object with distinctive qualities that they have named an incommensurate ...

Home > Press > A general approach to high-efficiency perovskite solar cells Researchers from the Institute for Applied Physics (IAP) and the Center for Advancing Electronics Dresden (cfaed) at TU Dresden developed a general methodology for the reproducible fabrication of high efficiency perovskite solar cells. Their study has been published in the renowned journal Nature Communications. CREDIT Christiane Kunath Abstract: Perovskites, a class of materials first reported in the early 19th century, were "re-discovered" in 2009 as a possible candidate for power generation via their use in solar c...

Home > Press > Plasmon-coupled gold nanoparticles useful for thermal history sensing Peak wavelength of the polarized optical extinction spectrum as a function of the recovery temperature, showing the temperature-dependent behavior that can be applied for optical thermal-history sensors. Image credit: Mehedi H. Rizvi. Abstract: Researchers have demonstrated that stretching shape-memory polymers embedded with clusters of gold nanoparticles alters their plasmon-coupling, giving rise to desirable optical properties. One potential application for the material is a sensor that relies on optical pr...