We are grateful to Prof. Teresa Lamy, Dr. Evandro L. Duarte, Prof. Shirley Schreier, Dr. Jose C. Bozelli Jr. and Valquiria Pianheri Souza for collection of spectra, Pro. Xianyang Fang for help of SEM measurement. Yang Sun is supported by São Paulo Research Foundation (FAPESP, 13/09604-6 ), National Natural Science Foundation of China (NSFC, 21606077 ), Science and Technology Research Project of Education Department of Hubei Province ( Q20162605 ) and Natural Science Foundation of Hubei Province ( 2016CFB317 ). CLPO was supported by National Council for Scientific and Technological Development ( 304861/2015-4 ), the Coordination for the Improvement of Higher Education Personnel ( 431/15 ), the National Institute of Science and Technology Complex Fluids (INCT-FCx) , and the São Paulo Research Foundation (FAPESP, 15/01732-0 ).