This is an early access version, the complete PDF, HTML, and XML versions will be available soon. Open AccessFeature PaperArticle by Yuping Sun 1, Binfen Wang 1, Xiaoqiang Liu 1, Li Gao 1,* and Wenfeng Shangguan 2,* 1 College of Chemistry and Molecular Sciences, Henan University, Kaifeng 475004, China 2 Research Center for Combustion and Environmental Technology, Shanghai Jiao Tong University, Shanghai 200240, China * Authors to whom correspondence should be addressed.