Grafen je teraz (hlavne po udeleni Nobelovky za jeho vyrobenie a ukazanie vlastnosti) dost popularny nanomaterial. Vsetci s nim chcu zrazu nieco kuchtit, opicia sa, ziskavaju nan granty ako na beziacom pase a slubuju si od neho mnoho. Je to ale vyskum ako kazdy iny, t.j. na dlhe lakte. Az buducnost ukaze, ci su ocakavania realne. Kazdopadne, veda ide dopredu a aj vyvoj cipov sa este moze dockat revolucie.
no kiezby! To by dalo do smutku aj posledny pocin Canonu s ich novym snimacom ktory predstavili ako velmi citlivy a vhodny na "nocne zabery". Aj ked 1000x moze byt trochu prehnane aj hodnota polovicna by bola dost zaujimava. Asi si potom nastavime ISO 1 ako zakladnu citlivost
Take cipy sa uz vo vojenskej a vesmirnej technike davno pouzivaju..ale teraz konecne sa rozhodli ze uz pre nich to je zastarale lebo maju zase nieco nove tak sa rozhodli to prepustit nam obycajnym smrtelnikom tak zacinaju tymito hlupymi clankami aby nas na to akoze prichystali
ono to je sranda, ale samotny vedecky clanok porovnava novu metodu s "konvencnou" pouzivanou v aktualnych graphenovych detektoroch:
"The processed graphene device shows high photoresponse in the whole tested wavelength range (high photoresponsivity of 1.25AW11, 0.2AW-1 and 0.4AW-1 in the visible, near-infrared and midinfrared ranges, respectively). [b]These values are about two-three orders higher than those reported in the literature based on pure monolayer graphene photodetectors.[/b] More importantly, to the best of our knowledge, this is the broadest range reported for a single graphene-based photodetector device."
Nový fotočip
http://tech.sme.sk/c/6824232/novy-fotocip-snima-bez-blesku-aj-v-tme.html
http://tech.sme.sk/c/6824232/novy-fotocip-snima-bez-blesku-aj-v-tme.html
Aj ked 1000x moze byt trochu prehnane aj hodnota polovicna by bola dost zaujimava. Asi si potom nastavime ISO 1 ako zakladnu citlivost
"The processed graphene
device shows high photoresponse in the whole tested
wavelength range (high photoresponsivity of 1.25AW11,
0.2AW-1 and 0.4AW-1 in the visible, near-infrared and midinfrared
ranges, respectively). [b]These values are about two-three
orders higher than those reported in the literature based on pure
monolayer graphene photodetectors.[/b] More importantly, to the
best of our knowledge, this is the broadest range reported for a
single graphene-based photodetector device."
http://cdpt.ntu.edu.sg/Documents/ncomms%204%201811.pdf
novinari si z toho zobrali svoje a senzacia je na svete ...
zaregistrujte sa a presvedčte o mnohých z výhod byť členom