Ling, Xinsheng Sean
Article History
Received: 5 December 2019
Revised: 16 January 2020
Accepted: 29 January 2020
First Online: 2 July 2020
Compliance with Ethics Guidelines
: The author is a co-founder and consultant of the Nanjing Rhode Island Nanotech Ltd. (Nanjing, China) and NJRI Suzhou Ltd. (Suzhou, China) which acquired the patent [23] discussed in this article.
: This article is a review article and does not contain any studies with human or animal subjects performed by the author.
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