Nikolay A Grigorenko

Title: **Nikolay A Grigorenko: Innovator in Silver Nanoplatelet Compositions**

Introduction

Nikolay A Grigorenko, based in Basel, Switzerland, is an accomplished inventor known for his contributions to the field of material sciences through innovative patents. With a portfolio of 10 patents, he has made significant strides in the development of advanced compositions and security elements, particularly utilizing silver nanoplatelets.

Latest Patents

Among his latest inventions, Grigorenko has designed compositions that comprise silver nanoplatelets. These compositions feature nanoplatelets with a mean diameter ranging from 20 to 70 nm and a mean thickness between 5 to 30 nm, both with a standard deviation of less than 50%. The innovative aspect ratio of the silver nanoplatelets is greater than 1.5, allowing unique properties in various applications. Notably, the highest wavelength absorption maximum in these compositions is within the range of 450 to 550 nm, imparting distinct optical characteristics such as a red or magenta color in transmission, along with a greenish-metallic color in reflection.

In another significant patent, Grigorenko has developed security or decorative elements that consist of a transparent substrate featuring visible features. The first layer contains transition metal particles with an average diameter ranging from 5 to 500 nm, along with a binder. An innovative second layer containing organic material allows for control over the color properties of the elements, creating a color flop effect that enhances their security applications.

Career Highlights

Nikolay A Grigorenko works at BASF SE Corporation, a leading global chemical company recognized for its innovation in materials. His role there has allowed him to push the boundaries of polymer and material sciences, yielding patented innovations that are both functional and appealing in design.

Collaborations

Grigorenko collaborates with a talented team, including notable colleague Michelle Richert. Their combined expertise enhances the innovative output at BASF, where they work together to bring cutting-edge solutions to the market.

Conclusion

Nikolay A Grigorenko is a pivotal figure in the field of nanotechnology and material sciences. Through his patents and collaborations, he continues to influence the development of advanced compositions and security products, standing as a testament to the power of innovation in addressing contemporary challenges. As he advances in his career, Grigorenko's work will undoubtedly pave the way for future breakthroughs in the industry.