2016
DOI: 10.1016/j.nanoen.2016.10.029
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Engineering interfacial structure in “Giant” PbS/CdS quantum dots for photoelectrochemical solar energy conversion

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Cited by 96 publications
(99 citation statements)
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“…In addition, as the BiOI ratio increases, the light absorption edge of the heterojunction photocatalyst extends to the visible region . For example, a light absorbing edge of the TBA‐1 heterostructure was observed at approximately 500 nm, indicating a response in the visible light region . It is noteworthy that the TBA‐2 heterostructure exhibits a better optical response than the TBA‐3 heterostructure, which is very consistent with the PC activity.…”
Section: Resultssupporting
confidence: 62%
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“…In addition, as the BiOI ratio increases, the light absorption edge of the heterojunction photocatalyst extends to the visible region . For example, a light absorbing edge of the TBA‐1 heterostructure was observed at approximately 500 nm, indicating a response in the visible light region . It is noteworthy that the TBA‐2 heterostructure exhibits a better optical response than the TBA‐3 heterostructure, which is very consistent with the PC activity.…”
Section: Resultssupporting
confidence: 62%
“…34 For example, a light absorbing edge of the TBA-1 heterostructure was observed at approximately 500 nm, indicating a response in the visible light region. 35 It is noteworthy that the TBA-2 heterostructure exhibits a better optical response than the TBA-3 heterostructure, which is very consistent with the PC activity. The band gap of semiconductor synthesis can be calculated according to the equation: where α, ν, Eg, and A denote the absorption coefficient, optical frequency, band gap, and constant, respectively.…”
Section: Uv-visible Spectrasupporting
confidence: 70%
“…Core/shell NCs with thin shell (which we will call core/TS NCs) were synthesized inducing the formation of a thin CdS shell through cation exchange; samples with a "giant" shell were obtained via a subsequent successive ionic layer absorption and reaction (SILAR) procedure at 240 • C under N 2 flow. To vary the core/shell interface the precursor Cd:S stoichiometric ratio was changed from 1:1 to 1:0.8 so as to have an abrupt [22] or alloyed transition [25], that is, a "sharp" or a "graded" interface. In the following we will refer to core/shell NCs with a giant shell as core/GSS and core/GGS correspondingly for sharp or graded interface.…”
Section: A Experimental Detailsmentioning
confidence: 99%
“…All samples were dispersed in toluene solution. The NCs were previously characterized [22,25] and showed a narrow size distribution. The core is identical for all cases [22,25] with a diameter of ∼1.2 nm.…”
Section: A Experimental Detailsmentioning
confidence: 99%
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