1. Department of Materials Science and Engineering, University of Washington, Seattle, Washington 98195, United States, Institute for Innovative Learning, Mahidol University, 999 Phuttamonthon 4 Road, Nakhon Pathom 73170, Thailand, Department of Chemistry, Center of Excellence for Innovation in Chemistry, Faculty of Science, Mahidol University, Bangkok 10400, Thailand, and Intel Research Laboratories Seattle, Seattle, Washington 98105, United States