Spectroscopy — Manipulating Photoconduction in Cu-Pyrene 1-D Coordination Nanosheets by Modulating Interlayer π-π Stacking

8 measurement groups · 15 results

Reported values remain attached to the sample, method, conditions, extraction quality and source location that produced them.

Cu-PTT nanosheet powder · Nanosheet

Emission spectra collected with 300 nm excitation; nanosheet compared with PTT ligand.

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
Relative emission breadth	Cu-PTT spectrum appears broader than Cu-tBuPTT	—	—	Text Qualitative	9-10 · Results and Discussion · Figure S8
Emission bathochromic shift versus ligand	approximately 10 nm	—	approximately	Text Approximate	9 · Results and Discussion · Figure S8

Cu-PTT nanosheet powder · Nanosheet

Solid sample measured by FTIR; compared with PTT ligand S-H stretch.

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
S-H stretching frequency absent after coordination	disappearance of S-H stretch at 2500 cm-1	—	—	Text Exact Reported	8 · Results and Discussion · Figure 2a

Cu-PTT nanosheet powder · Nanosheet

Diffuse reflectance spectra of nanosheet powder.

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
Diffuse reflectance absorption	broad absorption extending into the NIR region	—	—	Text Qualitative	9 · Results and Discussion · Figure 2c

Cu-PTT nanosheet powder · Nanosheet

Survey and high-resolution Cu 2p spectra.

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
Cu 2p1/2 binding energy	954 eV	—	—	Text Rounded Reported	9 · Results and Discussion · Figure S7
Cu 2p3/2 binding energy	933 eV	—	—	Text Rounded Reported	9 · Results and Discussion · Figure S7
Dominant fitted Cu2+ Cu 2p3/2 peak	934.8 eV	—	—	Text Exact Reported	9 · Results and Discussion · Figure S7
Fitted Cu+ satellite peak	around 933.1 eV	—	around	Text Approximate	9 · Results and Discussion · Figure S7
XPS survey elements	C, S and Cu resonance signals	—	—	Text Qualitative	9 · Results and Discussion · Figure S7

Cu-tBuPTT nanosheet powder · Nanosheet

Emission spectra collected with 300 nm excitation; nanosheet compared with tBuPTT ligand.

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
Emission bathochromic shift versus ligand	approximately 10 nm	—	approximately	Text Approximate	9 · Results and Discussion · Figure S8

Cu-tBuPTT nanosheet powder · Nanosheet

Solid sample measured by FTIR; compared with tBuPTT ligand S-H stretch.

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
S-H stretching frequency absent after coordination	disappearance of S-H stretch at 2500 cm-1	—	—	Text Exact Reported	8 · Results and Discussion · Figure 2a

Cu-tBuPTT nanosheet powder · Nanosheet

Diffuse reflectance spectra of nanosheet powder.

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
Diffuse reflectance absorption	broad absorption extending into the NIR region	—	—	Text Qualitative	9 · Results and Discussion · Figure 2c

Cu-tBuPTT nanosheet powder · Nanosheet

Survey and high-resolution Cu 2p spectra.

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
Dominant fitted Cu2+ Cu 2p3/2 peak	934.8 eV	—	—	Text Exact Reported	9 · Results and Discussion · Figure S7
Fitted Cu+ satellite peak	around 933.1 eV	—	around	Text Approximate	9 · Results and Discussion · Figure S7
XPS survey elements	C, S and Cu resonance signals	—	—	Text Qualitative	9 · Results and Discussion · Figure S7