Invention Grant
- Patent Title: Thin and uniform silver nanowires, method of synthesis and transparent conductive films formed from the nanowires
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Application No.: US17316876Application Date: 2021-05-11
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Publication No.: US11848117B2Publication Date: 2023-12-19
- Inventor: Yongxing Hu , Ying-Syi Li , Xiqiang Yang , Jing Shun Ang , Ajay Virkar
- Applicant: C3 Nano, Inc.
- Applicant Address: US CA Hayward
- Assignee: C3 Nano, Inc.
- Current Assignee: C3 Nano, Inc.
- Current Assignee Address: US CA Hayward
- Agency: Christensen, Fonder, Dardi
- Agent Elizabeth A. Gallo; Peter S. Dardi
- The original application number of the division: US15951758 2018.04.12
- Main IPC: H01B1/02
- IPC: H01B1/02 ; H01B5/00 ; H01B13/00 ; B82Y40/00 ; B82Y35/00

Abstract:
Highly uniform and thin silver nanowires are described having average diameters below 20 nm and a small standard deviation of the diameters. The silver nanowires have a high aspect ratio. The silver nanowires can be characterized by a small number of nanowires having a diameter greater than 18 nm as well as with a blue shifted narrow absorption spectrum in a dilute solution. Methods are described to allow for the synthesis of the narrow uniform silver nanowires. Transparent conductive films formed from the thin, uniform silver nanowires can have very low levels of haze and low values of ΔL*, the diffusive luminosity, such that the transparent conductive films can provide little alteration of the appearance of a black background.
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