CAJ | 학술논문

采用两步法进行纳米铂在碳纳米管表面的原位担载。首先利用柠檬酸(CA)对苯胺(ANI)自组装作用,制备 PANI/CNT 复合载体；进而比较了柠檬酸络合及未络合氯铂酸前驱体两种方式,通过原位还原铂,制备纳米铂-聚苯胺-碳纳米管(Pt-PANI/CNT)复合材料。结果表明,CA 在初期利于 PANI 完整包覆 CNT,且 CA 络合氯铂酸方式在后期利于纳米铂均匀可控担载,从而所得 Pt-PANI/CNT 材料表现出高电化学活性面积、甲醇的稳定电催化活性。对拓展复合纳米结构及性能提出了可行路线,利于未来探索。
채용량보법진행납미박재탄납미관표면적원위담재。수선이용저몽산(CA)대분알(ANI)자조장작용,제비 PANI/CNT 복합재체；진이비교료저몽산락합급미락합록박산전구체량충방식,통과원위환원박,제비납미박-취분알-탄납미관(Pt-PANI/CNT)복합재료。결과표명,CA 재초기리우 PANI 완정포복 CNT,차 CA 락합록박산방식재후기리우납미박균균가공담재,종이소득 Pt-PANI/CNT 재료표현출고전화학활성면적、갑순적은정전최화활성。대탁전복합납미결구급성능제출료가행로선,리우미래탐색。
This paper adopted two-step synthesis to in-situ load nano-Pt on carbon nanotube surface.Initially,we used the self-assembly effect from citric acid (CA)on aniline to prepare PANI/CNT composite support.Then, we compared two approaches as the CA coordination with H 2 PtCl6 precursor and without coordination,further in situ reduction for nano-Pt to achieve Pt-PANI/CNT structures.Our results showed that CA helps complete PANI wrapping for CNT surface initially,and its coordination with H 2 PtCl6 precursor benefits the uniform dis-tribution and size control for nano-Pt subsequently,thus its Pt-PANI/CNT structure exhibiting high electro-chemical surface area and stable methanol electro-oxidation behaviors.In this regard,we provided feasible rou-tines to extend composite structures and their properties,helping for future explorations.