Ƙarfan rukunin Platinum sun haɗa da platinum (Pt), rhodium (Rh), palladium (Pd), ruthenium (Ru), osmium (Os), da iridium (Ir), waɗanda ke cikin ƙarfe masu daraja kamar zinariya (Au) da azurfa (Ag) . Suna da ƙaƙƙarfan igiyoyin atomic masu ƙarfi, don haka suna da babban ƙarfin haɗin gwiwar interatomic da matsakaicin girma mai yawa. Lambar daidaitawa ta atomatik na duk karafa na rukunin platinum shine 6, wanda ke ƙayyade abubuwan halayensu na zahiri da na sinadarai na musamman. Ƙarfashin rukunin Platinum suna da manyan wuraren narkewa, kyawawan halayen lantarki da juriya na lalata, ƙarfin zafin jiki mai ƙarfi da juriya mai zafi mai zafi, da kwanciyar hankali mai kyau. Wadannan halaye sun sa su zama kayan aiki masu mahimmanci don masana'antu na zamani da gine-ginen tsaro na kasa, ana amfani da su sosai a cikin jiragen sama, sararin samaniya, roka, makamashin nukiliya, fasahar microelectronics, sunadarai, gilashi, tsarkakewar gas da masana'antun karafa, kuma rawar da suke takawa a cikin manyan masana'antu na karuwa. Saboda haka, an san shi da "bitamin" da "sabon karfe na zamani" na masana'antar zamani.

A cikin 'yan shekarun nan, an ƙara yin amfani da ƙarfe na rukuni na platinum a masana'antu kamar mota da kuma babur tsarkakewa, man fetur, lantarki da lantarki masana'antu, hakori kayan da kayan adon. A cikin ƙalubale na karni na 21, haɓaka kayan ƙarfe na rukuni na platinum yana taƙaita saurin ci gaban waɗannan fagagen fasaha, kuma kai tsaye yana shafar matsayi na ƙasa da ƙasa a cikin tattalin arzikin duniya.

Misali, bincike kan halayen iskar oxygen da iskar shaka na kananan kwayoyin halitta irin su methanol, formaldehyde, da formic acid, wadanda za a iya amfani da su azaman sel mai ta nano platinum catalysts yana da mahimmancin bincike na asali na asali da kuma buƙatun aikace-aikace. Nazarin ya nuna cewa manyan abubuwan haɓakawa tare da wasu ayyukan iskar shaka na electrocatalytic don ƙananan ƙwayoyin ƙwayoyin cuta sune galibin rukunin platinum masu daraja.

Hongwu Nano ya kware wajen kera kayan karfen nano masu daraja sama da shekaru 15, ciki har da amma ba'a iyakance ga nano platinum, iridium, ruthenium, rhodium, azurfa, palladium, zinare ba. Yawancin lokaci ana ba da shi a cikin foda, watsawa kuma za'a iya daidaita shi, kuma ana iya daidaita girman barbashi bisa ga takamaiman buƙatu.

Platinum nanoparticles, 5nm, 10nm, 20nm, ...

Platinum carbon Pt/C, Pt 10%, 20%, 50%, 75%…