Room temperature synthesis of CdSe/CdS triangular nanoemitters and their stabilization in colloidal state and sol–gel glassElectronic supplementary information (ESI) available: (S1) The impact of reaction time using TAA on the optical properties of nanoparticles (absorbance and photoluminescence) and TEM image of intermediate product of surface modification after 2 h; (S2) an energy-dispersive X-ray spectroscopy (EDX) made in the center and on the faces of the CdSe/CdS nanoparticle; (S3) SAXS measurements for output sample (nanoplatelets) and obtained nanoparticles (triangles); (S4) emission comparison for CdSe/CdS nanoparticles detailed described in the paper and CdSe/CdS nanoparticles with low emission; changes in the emission of low photoluminescence CdSe/CdS nanoparticles after addition of TBAF over time; (S5) absorbance and emission changes of triangular CdSe/CdS nanoparticles after increasing amounts of TBAF; (S6) SAXS measurements for CdSe/CdS triangles and after addition of 40 μl and 80 μl of TBAF; (S7) DLS results for CdSe/CdS triangles and 2 h after adding of TBAF; (S8) photoluminescence measurements for nanoparticles in sol–gel glass after preparation and after 9 months of storage. See DOI: https://doi.org/10.1039/d3ra04992b

Room temperature synthesis of CdSe/CdS triangular nanoemitters and their stabilization in colloidal state and sol–gel glassElectronic supplementary information (ESI) available: (S1) The impact of reaction time using TAA on the optical properties of nanoparticles (absorbance and photoluminescence) and TEM image of intermediate product of surface modification after 2 h; (S2) an energy-dispersive X-ray spectroscopy (EDX) made in the center and on the faces of the CdSe/CdS nanoparticle; (S3) SAXS measurements for output sample (nanoplatelets) and obtained nanoparticles (triangles); (S4) emission comparison for CdSe/CdS nanoparticles detailed described in the paper and CdSe/CdS nanoparticles with low emission; changes in the emission of low photoluminescence CdSe/CdS nanoparticles after addition of TBAF over time; (S5) absorbance and emission changes of triangular CdSe/CdS nanoparticles after increasing amounts of TBAF; (S6) SAXS measurements for CdSe/CdS triangles and after addition of 40 μl and 80 μl of TBAF; (S7) DLS results for CdSe/CdS triangles and 2 h after adding of TBAF; (S8) photoluminescence measurements for nanoparticles in sol–gel glass after preparation and after 9 months of storage. See DOI: https://doi.org/10.1039/d3ra04992b