氮雜穴醚雙核鈷配合物用于高效可見光催化二氧化碳還原
發(fā)布時(shí)間:2018-03-03 18:29
本文選題:穴醚 切入點(diǎn):催化轉(zhuǎn)化數(shù) 出處:《物理化學(xué)學(xué)報(bào)》2017年03期 論文類型:期刊論文
【摘要】:正能源短缺和二氧化碳排放引起的全球變暖是人類社會(huì)可持續(xù)發(fā)展所面臨的主要問題。同時(shí)解決這兩大問題的一條理想途徑是利用催化劑和太陽能,通過人工光合作用將二氧化碳轉(zhuǎn)化為有用的化學(xué)燃料或原料~1。要實(shí)現(xiàn)這一過程,關(guān)鍵在于設(shè)計(jì)合成高效、高選擇性的CO2還原催化劑,并與光敏劑耦合構(gòu)建高效光催化反應(yīng)體系~2。目前文獻(xiàn)報(bào)道的光催化CO_2還原生成CO催化劑的催化效率不高3-5,其催化轉(zhuǎn)化數(shù)(TON)和轉(zhuǎn)化頻率(TOF)分
[Abstract]:Global warming caused by positive energy shortages and carbon dioxide emissions is the main problem facing the sustainable development of human society. An ideal way to solve these two problems is to use catalyst and solar energy. Carbon dioxide is converted into a useful chemical fuel or feedstock by artificial photosynthesis. The key to this process lies in the design and synthesis of highly efficient and highly selective CO2 reduction catalysts. And the high efficiency photocatalytic reaction system was constructed by coupling with Guang Min. The catalytic efficiency of photocatalytic CO_2 reduction to CO was not high 3-5, the catalytic conversion number and the conversion frequency were lower than 3-5, and the conversion frequency was less than TOF fraction.
【作者單位】: 福州大學(xué)化學(xué)學(xué)院;
【分類號(hào)】:O643.36
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