![]() 14 Intriguingly, Ni infers a longer ambient stability to BP, paving the way to its wide utilization in the fabrication of long-lasting high performing devices. 9 Effective passivation methods of BP via chemical routes include the coating with organic molecules, 7 the doping with metals as Te, 10 or the surface decoration with titanium complex, 11 silver cation 12 and transition metal nanoparticles like Au 13 and Ni. 8 Therefore, since the initial rise of interest around BP, several studies have addressed the problem of its stabilization toward oxidation. 6 To date, the main pitfall of BP remains its limited ambient stability, 7 as photoexcited electrons formed upon light exposure can be easily transferred to surface adsorbed O 2 molecules, giving rise to reactive O 2 − species which in turn easily break down the polyphosphorus layers resulting in the formation of P−O. 1 The surface decoration of BP with metal nanoparticles 2 has boosted its application in various fields such as photo- and electrocatalysis, 3 gas-sensors, 4 energy storage and conversion, 5 and biomedicine. Since its discovery in 2014 exfoliated black phosphorus, named hereafter BP, has gained an increasing interest among bidimensional materials and semiconductors thanks to its exceptional physicochemical properties. Comparing the XANES and EXAFS spectra of fresh and aged samples of both nanohybrids, suggests that the interaction between Ni and P atoms results in a stabilization effect exerted via a dual electronic and redox mechanism, that infers a much superior ambient stability to BP, even if the surface functionalization is far to achieve a full coverage. Structural studies carried out by XAS can well distinguish the two nanohybrids and reveal that once Ni NPs are grown on BP nanosheets, a Ni-P coordinative bond is formed, featuring a short Ni-P distance of 2.27 Å, which is not observed when preformed Ni NPs are immobilized on BP. In particular, Ni functionalization performed in situ leads to a narrowing of the average BP band gap from 1.15 to 0.95 eV and to a marked shift in the conduction band maximum from −0.33 V to −0.07 V, which, in turn, improve the ambient stability. Herein, it is shown that the functionalization of BP with preformed and in situ grown Ni NPs, affects the electronic properties of the material. Nevertheless, as other 2D materials with atomic scale thickness, it suffers from easy degradation under ambient conditions. Record and share replays of your best runs.Layered black phosphorus (BP) is endowed with peculiar chemico-physical properties that make it a highly promising candidate in the field of electronics. 2 Difficulty settings to let you play an even faster version of FOTONICA. ![]() Electronic music by Michael Manning, Nicolò Sala, and legendary composer Baiyon. ![]() Beautiful, smooth, and unique vector-style graphics. 18 Achievements to unlock plus game stats. Two-player split-screen multiplayer mode on the same device! Plus 3 different endless levels to compete for high-scores. Every pixel is drawn to convey the maximum sense of speed, an exhilarating journey through light and void. The visuals are a treat for the nostalgic player but also for those hungry for new aesthetics. Think you can outrun your friends? Try the split-screen versus challenges. A multi-layered level design across eight different tracks, together with a procedural endless mode make for a game that is incredibly deep. One-handed controls: hold your finger down to run, release to jump, hold in mid-air to dive and land.įOTONICA is simple, but is not easy: it follows a tradition of arcade games that are easy to pick up and almost impossible to master. ![]() POCKET GAMER - 8/10 "You've experienced nothing like FOTONICA"Įver wondered what running at 140mph feels like? FOTONICA is a first-person game about the thrill of speed and traveling flawlessly through complex environments. ![]()
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