1. Key Laboratory of Colloid Interface and Chemical Thermodynamics Institute of Chemistry Chinese Academy of Sciences Beijing 100190 China
2. School of Chemistry and Chemical Engineering University of Chinese Academy of Sciences Beijing 100049 China
3. Center for Molecular Imaging and Nuclear Medicine School for Radiological and Interdisciplinary Sciences (RAD‐X) Soochow University Suzhou 215123 China
4. School of Chemical Engineering and Australian Centre for NanoMedicine (ACN) University of New South Wales Sydney NSW 2052 Australia
5. School of Mathematical and Statistical Sciences Arizona State University Tempe AZ 85287‐1804 USA