掺杂铂金属先后顺序对TiO2奈米纤维光触媒由乙醇产氢效率.PDFVIP

摻雜鉑金屬先後順序對TiO 奈米纖維光觸 2 媒由乙醇產氫效率的影響* Effect of Pt loading order of TiO nanofiber on the efficiency of H2 2 * generation 1 2 1 2 C.H. Lin , C.W. Liu 1 wt% Pt TiO2 n anof ib er s loaded w ith 1w t % Pt met al at Ti O2 P t differ ent st ages of wet impr egn at ion pr ocedu r e ar e Pt H TN denoted as PtHTN cat aly st and PtB cat aly st . PtHTN PtB H PtCl c at aly st w a s p r ep ar e d by imp r eg n at in g hy dr ogen 2 6 (H Ti O ) tr it it an at e n anof ib er s (H Ti O , HTN ) dir ectly w ith 2 3 7 2 3 7 (300600 ) 150 Pt H Pt Cl , calcin ing at t emp er atures b etween 300 and 2 6 600, and then reducing at 150 by hydrogen . PtB TiO2 (B) cat alyst was prepared by calcining HTN nanofiber at ( 300600) temperatures between 300 and 600to yield TiO2(B) H2PtCl6 PtHTN n anofib er, and impr egn at ing th is TiO2 supp or t w ith PtB H PtCl . The supp or t was then calcined and reduced 2 6 (band as for PtHTN to produce PtB Photocatalyst . Although gap energy) TiO2 physical properties of PtHTN and PtB cata