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| 1 | SYNTHESIS OF BENZOINS BY DYE PHOTOSENSITIZATION显示文摘Using heavy-atom-containing xanthene dyes,benzoins can be quanti-tatively prepared by photosensitized reduction from benzils with triethyla-mine.It is an important supplement to'benzoin condensation',asp.for thosebenzoins with electron-donating substituents. | Zhan Gong ZHAO Tao SHEN institute of Photographic Chemistry,Academia Sinica,Beijing 100012,China | 1990 | Chinese Chemical Letters1990，1，1： | 3 |
| 2 | Langmuir-Blodgett Films from Schiff Base Aluminium (Ⅲ) Complex显示文摘The characteristics of the LB films of Schiff base aluminium( Ⅲ ), tris(2-hydroxy-5-nitro N-dodecyl-benzylideneaminato) aluminium ( Ⅲ ) [Al (TA 12) 3], were studied. The surface pres sure-area(r-A) isotherm of Al(TA12)3 in the pure water subphase was investigated. The molec ular area, 0.48 nm2, is one-third of the expected value that indicates the formation of an aggre gate. The Langmuir-Blodgett (LB) films of Al(TA12) 3 were transferred and characterized. The UV-Vis spectra and the AFM image both confirmed that the J-aggregates formed. The polarized UV-Vis spectra indicated that the complex plane had to be oriented with an angle of about 30° to the substrate surface. The IR spectra suggested that the complexation took place between aluminium ions and the oxygen atoms of the ligand rather than the nitrogen atom. | LIAN Wei~1, CAO Wei~2, WANG Gang~2, WEI Li~2, HONG Xia~2, SHEN Dong-fang~2 LIU Chun-yan~1, SHAO Hui-bo~(3**) and BAI Yu-bai~2(1. Institute of Photographic Chemistry, Chinese Academy of Sciences, Beijing 100101, P. R. China 2. Center for Intelligent Materials United Research(CIMUR), Department of Chemistry, Jilin University, Changchun 130023, P. R. China 3. Department of Chemistry, Capital Normal University, Beijing 100037, P. R. China) To whom correspondence should be addressed. | 2001 | Chemical Research in Chinese Universities2001，17，3： | 2 |
| 3 | Photoelectrical performance of nanocrystalline TiO_2 film electrode sensitized by Ru(Ⅱ)-bipyridine complexes显示文摘Two kinds of Ru(Ⅱ)-bipyridine complexes, cis-di(thiocyanate)bis(2,2′-bipyridyl-4,4′-dicarboxylate) ruthenium(Ⅱ) and cis-di(thiocyanate)bis(2,2′-bipyridyl-3,3′-dicarboxylate) ruthenium(Ⅱ), were utilized as the sensitizers to the nanocrystalline TiO-2 film electrodes. Study shows that the two dyes have quite different sensitization properties due to the strong steric effect of carboxyl groups. In addition, the pretreatment to nanocrystalline TiO-2 film electrodes with TiCl-4 was investigated, which is an effective way to improve the photoelectric conversion performances of sensitized TiO-2 electrodes. | YANG Rong, WANG Weibo, XIAO Xurui *, HOU Yuanjun, ZHANG Baowen and GAO Yi Institute of Photographic Chemistry, Chinese Academy of Sciences, Beijing 100101, China. * Corresponding author | 1998 | Chinese Science Bulletin1998，43，6： | 2 |
| 4 | SYNTHESIS,PHOTOCHROMIC PROPERTIES OF PYRRYL SUBSTITUTED HETEROCYCLIC FULGIDES显示文摘Nine new 3-acetyl pyrrole derivatives and corresponding 3-pyrryl substitutedheterocyclic fulgides:3-pyrryl-ethylidene(isopropylidene)succinic anhydrides havebeen synthesized and characterized.Their photochromic behavour in several organicsolvents were investigated.The coloured form of fulgide Ⅱc,(E)-α-(1,2,4-trimethyl-3-pyrryl)-ethylidene(isopropylidene)succinic anhydride,shows absorption maxmium at715nm in acetonitrile.It is the longest absorption among the known | Lian He YU Yang Fu MING Mei Gong FAN Intitute of photographic chemistry,Academia Sinica Beijing 100101 | 1993 | Chinese Chemical Letters1993，4，3： | 2 |
| 5 | UV-visible Absorption Studies of Tetrachloro-p-benzoquinone and Tertiary Amines Charge Transfer Complexes in Trichloromethane显示文摘The spectophotometry of charge transfer (CT) complexes of tetrachloro-p-benzoquinone(TCB) with tertiary amine [triethylamine (TEA), triphylamine (TPA), N,N-dimethylphenylamine(DMPA), N-ethylcarbazole (ECZ)] have been studied in dichloromethane in UV-visible region.The CT complexes parameter, molar ratio of reactAnts in complex, molar extinction coefficient equilibrium constant KCT, free energy G and dissociation energy of the CT complex excited stateE, have also been estimated and discussed. | Fang GAO Yong Yuan YANG(Institute of Photographic Chemistry, The Chinese Academy of Sciences, Beijing 100101) | 1999 | Chinese Chemical Letters1999，10，12： | 1 |
| 6 | A CIDNP STUDY OF THE PHOTOREACTIONS OF METHYLFURANS WITH CHLORANIL显示文摘The CIDNP observations indicated that photoreaction of methylfurans with chloranilresulted not only furylmethyl hydroxyphenyl ethers via radical pairs but inducedfuryl radical isomerization to the derivatives of cyclopropene,propadiene and pyran. | Ling jiang CHENG~(1,2) Han Cheng YUAN~3 Er Cheng LI~2 Bao Zhen YAN~3 Jian Hua XU~4 Guang Zhi XU~2 1 Institute of Photographic Chemistry,Chinese Academy Of Sciences,Beijing 100101 2 Institute of Chemistry,Chinese Academy of Sciences,Beijing 100080 3 Department of Applied Chemistry,Beijing Institute of Chemical Technology,Beijing 100029 4 Department of Chemistry,Nanjing University,Nanjing,Jiangsu 210008 | 1993 | Chinese Chemical Letters1993，4，4： | 1 |
| 7 | PHOTO-CIDNP STUDIES OF PHTHALIMIDE DERIVATIVES IN THE PRESENCE OF TRIETHYLAMINE显示文摘The photoreactivity of some phthalimides was tested by CIDNP studies on the reactionswith triethylamine. | Ling Jiang CHENG~(1,2) Han Cheng YUAN~3 Hua Pin PU~4 Bao Zhen YAN~3 Er Cheng LI~2 Jian Hua XU~4 Jin Shi MA~1 Guang Zhi XU~2 1 Institute of Photographic Chemistry,Chinese Academy Of Sciences,Beijing 100101 2 Institute of Chemistry,Chinese Academy of Sciences,Beijing 100080 3 Department of Applied Chemistry,Beijing Institute of Chemical Technology,Beijing 100029 4 Department of Chemistry,Nanjing University,Nanjing,Jiangsu 210008 | 1993 | Chinese Chemical Letters1993，4，4： | 1 |
| 8 | PHASE SEPARATION OF RETINAL SCHIFF BASE IN TWO-COMPONENT LB FILM WITH DIFFERENT LIPIDS显示文摘Phase sepertion of 9-cis-retinal schiff base in two-component LB film with different lipids has been observed under Brewster Angle | Long.JIANG~*, Dirk.HONIG~(**), Dietmar.MOBIUS~(**) ~*Institute of Photographic Chemistry,Academia Sinica,Beijing 100101 ~(**)Max-Planck-Institut fur biophysikaiische Chemie.FRG | 1992 | Chinese Chemical Letters1992，3，3： | 1 |
| 9 | Scanning Tunneling Microscopic and Scanning Tunneling Spectroscopic Studies of Nanocrystalline CdSe Thin Film显示文摘Nanocrystalline CdSe thin film prepared by chemical solution deposition was imaged in air with a scaninng tunneling microscope(STM). Scanning tunneling current spectroscopy(STS) was taken at a fixed tip - Sample separation. Tunneling currnt(i) - voltage(v) curve and differential conductance spectrum show an n-type schottky rectifying behaviour and yteld a direct measure of band gap energy. An increase of bandgap energy (1.8 - 2.1eV) was measured indicating energy quantization of this particular thin film. | Yuan LIN Rui Feng LIN Xiao Wen Zhou Jing Bo Zhang Xu Rui Xiao(Institute of Photographic Chemistry, The Chinese Academy of Sciences, Bejing,100101) | 1997 | Chinese Chemical Letters1997，8，9： | 1 |
| 10 | HYDROGEN BOND IN β-CYCLODEXTRIN显示文摘HYDROGEN BOND IN β-CYCLODEXTRINHYDROGENBONDINβ-CYCLODEXTRIN￥RuiQiangXIE;WenYiZHAOandCheniloTUNG(InstituteofPhotographicChemis... | Rui Qiang XIE Wen Yi ZHAO and Chen ilo TUNG (Institute of Photographic Chemistry.Chinese Academy of Sciences, Beijing. 100101) | 1994 | Chinese Chemical Letters1994，5，6： | 1 |
| 11 | Evolution of retinal detachment in posterior retinopathy of prematurity:impact on treatment approach显示文摘 | Vinekar A Trese MT Capone A Jr Photographic Screening for Retinopathy of Prematurity (PHOTO-ROP)Cooperative Group | 2008 | Am J Ophthalmol2008，145，： | 1 |
| 12 | Synthesis, complexation properties and crystal structure of 4',5'-dibromo-oxylyl-17-crown-5 ether显示文摘4’,5’-Dibromo-o-xylyl-17-crown-5 ether (2BrB17C5) was synthesized,starting from 1,2-dibromo-4,5-bis(bromomethyl)-benzene and tetraethylene glycol,and was characterized by 1H NMR,MS and elemental analysis.Pale yellow prismatic single crystal obtained from anhydrous ethanol was investigated by X-ray structural analysis.The complexation properties toward alkali metal ions were examined using the solvent extraction method and UV absorption spectroscopy.The crown ether was found to be conformationally deformed and oblate-like and is highly selective for lithium ion. | XIONG,Guo-Xiang ZHOU,Qing-Fu XU,Hui-JunInstitute of Photographic Chemistry,Chinese Academy of Sciences,Beijing 100101,China | 1996 | Chinese Journal of Chemistry1996，14，5： | 1 |
| 13 | Novel Zwitterionic Surfactants: Synthesis and Surface Active Properties of N-(3-Alkoxy-2-Hydroxypropyl)-N, N-Dimethyl glycine Betaines显示文摘Five new zwitterionic surfactants with long chain alkyl betaine structure incorporated with hydroxylpropyl group have been synthesized. Their structures were identified by elemental analysis,IR, 1HNMR,and 13CNMR. Surface tension experiments showed that these surfactants have higher surface activity than those without hydroxypropyl group. The values of CMC and γCMC of these surfactants have been | Jing Qu GUAN Xi You LI Chen Ho TUNG (Institute of Photographic Chemistry. Chinese Academy of Sciences. Beijing 100101) | 1997 | Chinese Chemical Letters1997，8，6： | 1 |
| 14 | Excitation energy transfer mechanisms in allophycocyanin(Ⅰ)——Energy transfer mechanisms in monomer显示文摘The mechanisms of excitation energy transfer within allophycocyanin monomer with the theory of generalized master equation (GME) and the technique of time-resolved fluorescence anisotropic spectroscopy are studied. In the case of known information of its structure and spectra, the theory applied is based on the assumption that the coupling interaction between two chromophores is fairly weak. The theory correctly predicts the experimentlly observed rate for excitation energy transfer in allophycocyanin monomer. Based on the results, the energy transfer mechanism can be described as Frster and these processes cannot take place from the high vibrational levels of donor to acceptor. | ZHANG Jingmin, ZHENG Xiguang, ZHAO Fuli, WANG Hezhou, ZHANG Jianping, ZHAO Jingquan and JIANG Lijin State Key Laboratory for Ultrafast Laser Spectroscopy, Zhongshan University, Guangzhou 510275, China Institute of Photographic Chemistry , Chinese Academy of Sciences , Beijing 100101, China | 1999 | Chinese Science Bulletin1999，44，11： | 1 |
| 15 | Study on the Singlet and Triplet StateElectron Transfer between Hypocrellin A and Aromatic Amines in Solvents of Various Polarity显示文摘StudyontheSingletandTripletStateElectronTransferbetweenHypocrellinAandAromaticAminesinSolventsofVariousPolarityMinWENG;ManHua... | Min WENG ManHua ZHANG Tao SHEN(Institute of Photographic Chemistry, Academia Sinica, P.O.Box 772,Beijing 100101) | 1996 | Chinese Chemical Letters1996，7，10： | 1 |
| 16 | Investigation on composite Au/TiO_2 nanoparticles (Ⅰ)——Synthesis and characterization显示文摘Nanometer sized Au/TiO\-2 particles were synthesized by irradiation of a HAuCl\-4 solution containing colloidal TiO\-2 with light of wavelength (λ)>330 nm. The absorption maximum attributed to the surface plasmon band of gold was observed at 540 nm, a red shift of about 20 nm from the position in aqueous solution. The Au clusters are situated on the surface of TiO\-2 in terms of microcrystallite, which was confirmed by HRTEM, EDS and XRD. The electronic interfaction between the metal and the suport was discussed. | WANG Chuanyi, LIU Chunyan and SHEN Tao Institute of Photographic Chemistry, Chinese Academy of Sciences, Beijing 100101, China | 1998 | Chinese Science Bulletin1998，43，3： | 1 |
| 17 | Optical Recording Performance of Azo Nickel Chelate Thin Film显示文摘 | YIN Jinlong WANG Shuangqing GAN Fuxi(Shanghai Institute of Optics and Fine Mechanics The Chinese Academy of Sciences Shanghai 201800 ChinaInstitute of Photographic Chemistry The Chinese Academy of Sciences Beijing 100101 China) | 1999 | Chinese Journal of Lasers1999，，05： | 1 |
| 18 | The Aggregates in LB Films of Schiff base Aluminium (III) Complex显示文摘The surface pressure-area ((-A) isotherm of Schiff base aluminium (III), tris (2-hydroxy-5-nitro-N-dodecyl-benzylideneaminato) aluminium (III) (denoted as Al(TA12)3), on pure water subphase was investigated. The molecular area, 0.48 nm2 , is one-third of expected value that indicated the aggregation took place. The Langmuir-Blodgett (LB) films of Al(TA12)3 was transferred and characterized. The AFM image confirmed the formation of aggregates. | Wei CAO1 , Wei LIAN2, Yu Bai BAI1, Chun Yan LIU2, Hui Bo SHAO3* 1Center for Intelligent Materials United Research (CIMUR), Department of Chemistry, Jilin University, Changchun 130023 2 Institute of Photographic Chemistry, Chinese Academy of Sciences, Bei | 2001 | Chinese Chemical Letters2001，12，3： | 1 |
| 19 | Magnetic field effects on photochemical reaction——III. Mechanistic study of the photodecarboxylation of arylmethyl esters in micellar solutions显示文摘Photolysis of benzyl phenylacetate (ACO2A), benzyl p-methylphenylacetate (BCO2A) and1-naphthyl phenylacetate (ACO2Np) in homogeneous and micellar solutions results in products typicalof radical coupling reactions and loss of carbon dioxide. The cage effects upon direct photolysis ofthese esters in acetonitrile are significantly greater than zero and those in SDS or HDTBr micellarsolutions are even greater. In the triplet sensitization reaction of ACO2 Np in micellar solutions thecage effects are smaller than those obtained upon direct irradiation. However, the application of a0.05 or 0.2 T external magnetic field in the photolysis in micellar solutions decreases the cage effectsdramatically. All these results suggest that the photoextrusions of carbon dioxide from these estersproceed via radical intermediates, and upon direct photolysis the reactive states for the cleavage re-action involve both singlet and triplet excited states. | TONG, Zhen-He TUNG, Chen-Ho* YUAN, Long-Hua, Institute of Photographic Chemistry, The Chinese Academy of Sciences, Beijing 100101 | 1991 | Chinese Journal of Chemistry1991，9，6： | 1 |
| 20 | Study of the Interaction between Cationic Surfactant and Polyacryldmide with Various Hydrolysis Degree显示文摘StudyoftheInteractionbetweenCationicSurfactantandPolyacryldmidewithVariousHydrolysisDegreeStudyoftheInteractionbetweenCationi... | Xin Ping WANG Ji An TANG Long JIANG (Institute of Photographic Chemistry,Academia Sinica, Beijing 100101) | 1996 | Chinese Chemical Letters1996，7，9： | 1 |
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