2024-08-07 03:45:12 来源于:凯发k8(国际)AG旗舰厅官方网站入口
相关论文即将发表在国际学术期刊《应用化学》(开发出了一种新型半导体催化剂■▪▷,氢能是未来最重要的能源之一○…•□●★,那么△▼△,有没有一种方法能利用太阳能直接产生化学能而不需要电的介入▼▽?德国科学家的一项最新研究•●,它能够让太阳能直接☆•“劈开•◁△★▼”水分子••,太阳是地球上最重要的能量来源◁▷☆。得到氢气★●□■。
领导该项研究的是德国马普生物无机化学研究所(Max Planck Institute for Bioinorganic Chemistry)的Martin Demuth◆●=■◁凯发k8登录《应用化学》:新型,他和同事利用的新型催化剂源自二矽化钛(TiSi
Demuth表示凯发k8登录…▽,▽○•=▼□“二矽化钛催化剂分解水的效率比其他利用可见光的半导体系统更高凯发k8登录=•-•。▷◆▽”此外▷▪,尽管存储的气体中有氢气也有氧气▷=■=◇,但由于氧气只有在温度高于100摄氏度而且黑暗的条件下才能释放出来=▷★-,因此研究人员可以方便地利用低温来分离出氢气-□△□。(科学网 任霄鹏/编译)
)△◆★,一种具有特殊光电性能的半导体材料☆◆◁=▼催化剂让太阳直接“劈”出氢能源。研究表明•…▼,在反应最初阶段○-,二矽化钛表面的微小氧化物会促使接触反应中心形成●▽☆,从而直接-◆•、高效地将水分解为氢气和氧气●◇◇。值得注意的是=▽◇…▷,二矽化钛在反应中所起到的不仅仅是光催化作用▷●▼,它同时能够可逆存储产生的气体▪…●•◇!盘点近期新材料应用,,从而实现氢和氧的完美分离-◇-。
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