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Title: Highly soluble copper(ι) iodide-based hybrid luminescent semiconductors containing molecular and one-dimensional coordinated anionic inorganic motifs

Journal Article · · Journal of Materials Chemistry C
DOI:https://doi.org/10.1039/d2tc05479e· OSTI ID:2305732
 [1]; ORCiD logo [2];  [3];  [1]; ORCiD logo [1]
  1. Rutgers University, Piscataway, NJ (United States)
  2. Lawrence Berkeley National Laboratory (LBNL), Berkeley, CA (United States)
  3. Brookhaven National Laboratory (BNL), Upton, NY (United States)

Copper(I) iodide-based inorganic–organic hybrid semiconductors are considered promising materials for various optoelectronic applications. Here, using imidazolium bridged benzotriazoles as multidentate ligands, we designed and synthesized a series of all-in-one (AIO)-type CuI hybrid materials that hold both ionic and coordinate bonds at the interface of organic and inorganic modules. Their structures range from 0D clusters to 2D extended networks built on various molecular (0D) and chain-like (1D) anionic inorganic motifs that are interconnected through cationic ligands via multiple Cu–N bonds. Benefiting from their unique bonding nature, these compounds exhibit high stability towards heat and moisture and can be well dissolved in polar aprotic solvents. They emit low-energy light spanning from yellow to red color (550–625 nm). Finally, the electronic structure, emission mechanism, and effect of different coordination modes on their photophysical properties were studied using both experimental and theoretical methods, which has provided insight into the structure–property relationship of these inorganic–organic semiconductors.

Research Organization:
Wake Forest University, Winston-Salem, NC (United States); Brookhaven National Laboratory (BNL), Upton, NY (United States); Lawrence Berkeley National Laboratory (LBNL), Berkeley, CA (United States). Advanced Light Source (ALS)
Sponsoring Organization:
USDOE Office of Science (SC), Basic Energy Sciences (BES). Scientific User Facilities (SUF); USDOE Office of Science (SC), Basic Energy Sciences (BES)
Grant/Contract Number:
SC0019902; AC02-05CH11231; SC0012704
OSTI ID:
2305732
Alternate ID(s):
OSTI ID: 1924562; OSTI ID: 1963192
Report Number(s):
BNL-224158-2023-JAAM
Journal Information:
Journal of Materials Chemistry C, Vol. 11, Issue 8; ISSN 2050-7526
Publisher:
Royal Society of ChemistryCopyright Statement
Country of Publication:
United States
Language:
English

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