Journal: Frontiers in Chemistry

Article Title: Chirogenesis and Pfeiffer Effect in Optically Inactive Eu III and Tb III Tris(β-diketonate) Upon Intermolecular Chirality Transfer From Poly- and Monosaccharide Alkyl Esters and α-Pinene: Emerging Circularly Polarized Luminescence (CPL) and Circular Dichroism (CD)

doi: 10.3389/fchem.2020.00685

Figure Lengend Snippet: The chemical structures of cellulose alkyl esters ( CABu and CTA ), cellulose tris(phenylcarbamate) ( CTPC ), D -(+)- and L -(–)-glucose pentamethylester ( D - / L -Glu ), D -(–)- and L-( + )- arabinose tetramethylester ( D - / L -Ara ), (1 S )-/(1 R )-α-pinene, and four optically inactive Eu III and Tb III complexes coordinated with achiral tris(β-diketonate) [Eu(fod) 3 , Tb(fod) 3 , Eu(dpm) 3 , and Tb(dpm) 3 ].

Article Snippet: CTA (Wako Pure Chemicals, Osaka, Japan) and CABu (Sigma-Aldrich Japan, Tokyo, Japan) were used without further purification ( , SM).

Techniques:

Journal: Frontiers in Chemistry

Article Title: Chirogenesis and Pfeiffer Effect in Optically Inactive Eu III and Tb III Tris(β-diketonate) Upon Intermolecular Chirality Transfer From Poly- and Monosaccharide Alkyl Esters and α-Pinene: Emerging Circularly Polarized Luminescence (CPL) and Circular Dichroism (CD)

doi: 10.3389/fchem.2020.00685

Figure Lengend Snippet: CD and UV-visible spectra of Eu(fod) 3 in (A) CABu film and (B) in CTA film. CPL and PL spectra (excited at 315 nm) of Eu(fod) 3 in (C) CABu film and (D) in CTA film (excited at 315 nm). (E) CPLE and PLE spectra monitored at 589 and 615 nm of Eu(fod) 3 in CABu film. (F) CPLE and PLE spectra of Eu(fod) 3 monitored at 590 and 615 nm in CTA film. The cellulose and Eu(fod) 3 were hybridized at a weight ratio of 20 mg/10 mg in chloroform solution.

Article Snippet: CTA (Wako Pure Chemicals, Osaka, Japan) and CABu (Sigma-Aldrich Japan, Tokyo, Japan) were used without further purification ( , SM).

Techniques:

Journal: Frontiers in Chemistry

Article Title: Chirogenesis and Pfeiffer Effect in Optically Inactive Eu III and Tb III Tris(β-diketonate) Upon Intermolecular Chirality Transfer From Poly- and Monosaccharide Alkyl Esters and α-Pinene: Emerging Circularly Polarized Luminescence (CPL) and Circular Dichroism (CD)

doi: 10.3389/fchem.2020.00685

Figure Lengend Snippet: (A) Comparisons of CD and UV-visible and (B) CPL and PL spectra (excited at 310 nm) of Tb(fod) 3 in CTA and CABu films, respectively. The cellulose films and Tb(fod) 3 were hybridized at a weight ratio of 20 mg/10 mg from chloroform solution. (C) CPLE and PLE spectra of Tb(fod) 3 monitored at 535 nm and 548 nm in CABu film. (D) CPLE and PLE spectra of Tb(fod) 3 monitored at 495 nm in CABu film. The cellulose and Eu(fod) 3 were hybridized at a weight ratio of 20 mg/10 mg in chloroform solution.

Article Snippet: CTA (Wako Pure Chemicals, Osaka, Japan) and CABu (Sigma-Aldrich Japan, Tokyo, Japan) were used without further purification ( , SM).

Techniques:

Journal: Frontiers in Chemistry

Article Title: Chirogenesis and Pfeiffer Effect in Optically Inactive Eu III and Tb III Tris(β-diketonate) Upon Intermolecular Chirality Transfer From Poly- and Monosaccharide Alkyl Esters and α-Pinene: Emerging Circularly Polarized Luminescence (CPL) and Circular Dichroism (CD)

doi: 10.3389/fchem.2020.00685

Figure Lengend Snippet: (A) Comparisons of CD and UV-visible and (B) CPL and PL spectra (excited at 310 nm) of Tb(dpm) 3 in CTA and CABu films, respectively. (C) CPL and PL spectra (excited at 315 nm) of Tb(dpm) 3 in α-pinene ([conc] 0 = 10 −2 M, pathlength 1.0 mm) and their CPLE and PLE spectra monitored at (D) 548 nm and (E) 535 nm, respectively. (F) PL (in log scale) with CPL spectra (excited at 320 nm) associated with 4 f- 4 f transitions of Tb(dpm) 3 in ( R )-α-pinene. The cellulose films and Tb(dpm) 3 were hybridized at a weight ratio of 20 mg/10 mg in THF solution.

Article Snippet: CTA (Wako Pure Chemicals, Osaka, Japan) and CABu (Sigma-Aldrich Japan, Tokyo, Japan) were used without further purification ( , SM).

Techniques: