German research team chuan bimetallic two-dimensional supercrystals, catalytic property tha tak tak nei an siam chhuak a. Formic acid tihchhiat hmanga hydrogen siam nan an hmang thei a, record result a awm.
Germany rama Ludwig Maximilian University of Munich (LMU Munich) kaihhruai scientist-te chuan plasma bimetallic two-dimensional supercrystals hmanga hydrogen siamna atana photocatalytic technology an siam chhuak a, hei hi a hlawhtling hle.
He zirchiannaah hian plasmonic structures te chu individual gold nanoparticles (AuNPs) leh platinum nanoparticles (PtNPs) te inzawmkhawmin an siam khawm a ni.
Researcher Emiliano Cortes chuan: “Rangkachak nanoparticle-te inrem dan hian incident light focus-naah leh rangkachak particle inkara lo awm, hot spot an tih, local electric field chak tak siam chhuahna kawngah a hlawk hle a ni,” a ti.
System configuration ruahman danah chuan visible light hian metal chhunga electron te nen nasa takin an inzawm a, resonant takin an vibrate a, chu chuan electron te chu an inzawmkhawmin nanoparticle sir khat atanga sir dangah rang takin an kal tir thin. Hei hian magnet te tak te a siam a, chu chu mithiamte chuan dipole moment an ti a ni.
Charge lian leh te leh positive leh negative charge center inkar hlat zawng atanga chhuak a ni. Chutiang a nih chuan nanoparticle te hian ni êng tam zawk an man a, electron chak tak takah an chantir a ni. Chemical reaction control nan an pui thin.
Academic community chuan plasmonic bimetallic 2D supercrystals te hian formic acid a tihchhiat theih dan an test a.
“Probe reaction hi rangkachak hi platinum aiin a reactive tlem zawk vang leh carbon-neutral H2 carrier a nih avangin thlan a ni,” an ti.
“Experimental-a platinum-in illumination hnuaia a performance tihchangtlun dan hian incident light leh gold array inzawmna hian voltage hnuaiah platinum a siam tih a tilang a ni,” an ti. “Dik tak chuan formic acid hi H2 carrier atana hman a nih chuan AuPt supercrystals te hian plasma performance tha ber an nei niin a lang.”
Crystal hian darkar khatah catalyst gram khatah H2 production rate 139 mmol a nei tih a tarlang. Research team chuan hei hian tunah chuan photocatalytic material hian hmuh theih êng leh ni zung hmanga formic acid dehydrogenate-a hydrogen siam chhuahna khawvel record a nei tawh tihna a ni, an ti.
Scientist-te hian tun hnaia journal Nature Catalice-a tihchhuah, paper “Plasmonic bimetallic 2D supercrystals for hydrogen generation”-ah solution thar an rawt a ni. He team-ah hian Free University of Berlin, University of Hamburg leh University of Potsdam-a zirchiangtute an tel a ni.
“Plasmon leh catalytic metal te kan inzawmkhawm hian industrial application atana photocatalyst chak tak tak siam chhuahna kawngah hma kan sawn zel a, hei hi ni êng hman dan thar a ni a, reaction dang pawh a nei thei a, chu chu carbon dioxide chu thil tangkai takah a chantir thei a ni,” tiin Cole Thes chuan a sawi. .
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