4,4′-Dimethylazobenzene as a chemical actinometer

被引:3
作者
Casimiro, Lorenzo [1 ]
Andreoni, Leonardo [2 ,3 ]
Groppi, Jessica [3 ]
Credi, Alberto [3 ,4 ]
Metivier, Remi [1 ]
Silvi, Serena [2 ,3 ]
机构
[1] Univ Paris Saclay, ENS Paris Saclay, CNRS, PPSM UMR 8531, F-91190 Gif Sur Yvette, France
[2] Univ Bologna, Dipartimento Chim G Ciamician, I-40126 Bologna, Italy
[3] Ist ISOF CNR, CLAN Ctr Light Activated Nanostruct, Via Gobetti 101, I-40129 Bologna, Italy
[4] Univ Bologna, Dipartimento Chim Ind Toso Montanari, I-40136 Bologna, Italy
关键词
PHOTOCHROMIC HETEROCYCLIC FULGIDES; QUANTUM YIELDS; PHOTOCHEMICAL ISOMERIZATION; CONVENIENT ACTINOMETER; POTASSIUM FERRIOXALATE; PHOTO-ISOMERIZATION; AZO-COMPOUNDS; AZOBENZENE; PHOTOISOMERIZATION; ANHYDRIDE;
D O I
10.1007/s43630-021-00162-3
中图分类号
Q5 [生物化学]; Q7 [分子生物学];
学科分类号
071010 ; 081704 ;
摘要
Chemical actinometers are a useful tool in photochemistry, which allows to measure the photon flux of a light source to carry out quantitative analysis on photoreactions. The most commonly employed actinometers so far show minor drawbacks, such as difficult data treatment, parasite reactions, low stability or impossible reset. We propose herewith the use of 4,4'-dimethylazobenzene as a chemical actinometer. This compound undergoes a clean and efficient E/Z isomerization, approaching total conversion upon irradiation at 365 nm. Thanks to its properties, it can be used to determine the photon flux in the UV-visible region, with simple experimental methods and data treatment, and with the possibility to be reused after photochemical or thermal reset. [GRAPHICS] .
引用
收藏
页码:825 / 833
页数:9
相关论文
共 64 条
[11]  
Braun AM., 1991, PHOTOCHEMICAL TECHNO
[12]   Photochemical investigation of cyanoazobenzene derivatives as components of artificial supramolecular pumps [J].
Casimiro, Lorenzo ;
Groppi, Jessica ;
Baroncini, Massimo ;
La Rosa, Marcello ;
Credi, Alberto ;
Silvi, Serena .
PHOTOCHEMICAL & PHOTOBIOLOGICAL SCIENCES, 2018, 17 (06) :734-740
[13]   cis-azo-compounds part III Absorphon spectra [J].
Cook, AH ;
Jones, DG ;
Polya, JB .
JOURNAL OF THE CHEMICAL SOCIETY, 1939, :1315-1320
[14]   Revised technique for the determination of mean incident light fluxes on photobioreactors [J].
Cornet, JF ;
Marty, A ;
Gros, JB .
BIOTECHNOLOGY PROGRESS, 1997, 13 (04) :408-415
[15]   PHOTOCHROMIC HETEROCYCLIC FULGIDES .2. ELECTROCYCLIC REACTIONS OF (E)-ALPHA-2,5-DIMETHYL-3-FURYLETHYLIDENE(ALKYL-SUBSTITUTED METHYLENE)-SUCCINIC ANHYDRIDES [J].
DARCY, PJ ;
HELLER, HG ;
STRYDOM, PJ ;
WHITTALL, J .
JOURNAL OF THE CHEMICAL SOCIETY-PERKIN TRANSACTIONS 1, 1981, (01) :202-205
[16]  
DEBLAUWE V, 1988, MAKROMOL CHEM, V189, P2503
[17]   DETERMINATION OF THE QUANTUM YIELD OF THE FERRIOXALATE ACTINOMETER WITH ELECTRICALLY CALIBRATED RADIOMETERS [J].
DEMAS, JN ;
BOWMAN, WD ;
ZALEWSKI, EF ;
VELAPOLDI, RA .
JOURNAL OF PHYSICAL CHEMISTRY, 1981, 85 (19) :2766-2771
[18]   CALCULATION OF PHOTOSTATIONARY STATES IN SYSTEMS A[]B WHEN ONLY A IS KNOWN [J].
FISCHER, E .
JOURNAL OF PHYSICAL CHEMISTRY, 1967, 71 (11) :3704-&
[19]  
Fischer E., 1984, EPA Newsletter, V21, P33
[20]   ELECTRONIC-SPECTRA OF CIS-AZOBENZENES AND TRANS-AZOBENZENES - CONSEQUENCES OF ORTHO SUBSTITUTION [J].
FORBER, CL ;
KELUSKY, EC ;
BUNCE, NJ ;
ZERNER, MC .
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 1985, 107 (21) :5884-5890