Ito glass substrates

ITO glass substrates (7
Ω/square) were purchased from Merck. Cesium carbonate (Cs₂CO₃, purity 99.99%), OAm (purity 80–90%),
and 1-octadecene (ODE, purity 90%) were purchased from Acros Organics.
Lead bromide (PbBr₂, purity 99.998%), lead iodide (PbI₂, purity 99.9985%), TPP (purity 99%), and DPMP (purity 99%)
were purchased from Alfa Aesar. OA (purity 90%) and Poly-TPD were
purchased from Sigma-Aldrich. PEDOT:PSS aqueous solution (Clevios
P VP AI 4083) was purchased from Heraeus Precious Metals GmbH &
Co. KG. TPBi was purchased from Lumtec and Shine Material Technology,
respectively. Other solvents were bought from Acros Organics, MACRON,
or TEDIA and used without further purification.

ITO glass substrates (7 Ω □⁻¹) were purchased from Merck. PEDOT:PSS aqueous solution (Clevios P VP AI 4083) was purchased from Heraeus Precious Metals GmbH & Co. KG. 37 wt% PEIE solution in water and PVK were purchased from Alfa Aesar and TCI, respectively. CdSe and additive BYK-P105 were provided by Opulence Optronics Co., Ltd. from Taiwan and BYK-Chemie GmBH, respectively. Other reagents and solvents were bought from Alfa Aesar, Acros and ECHO Chemical Co., Ltd. and used without further purification.

ITO glass substrates (7
Ω sq^–1) were purchased from Merck. Nickel(II)
sulfate heptahydrate (purity 98%) was purchased from Acros. PEIE (37
wt % in water) and PVK were purchased from Alfa Aesar and TCI, respectively.
CdSe QDs were provided by Opulence Optronics Co., Ltd. from Taiwan.
Colloidal ZnO NPs in n-butanol were synthesized according
to our previous report.^{23 (link)} Other reagents
and solvents were bought from Alfa Aesar, Acros, or ECHO Chemical
Co., Ltd. and used without further purification.