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Dr John Dennis

Reader in Molecular Nanostructural Materials

Department School of Physics and Astronomy
 G O Jones 119, Mile End
Telephone +44 (0)20 7882 3412
Email j.dennis@qmul.ac.uk
Homepage http://ph.qmul.ac.uk/directory/j.dennis

Research Keywords

Carbon, Fullerenes

Research Interests

Dr Dennis's research centres on the synthesis, purification, and spectroscopic characterization of novel fullerene related materials. Dr Dennis conducted pioneering work in the synthesis and purification of fullerenes. During August 1990 Dr Dennis beacme the first researcher to synthesize and purify the archetypal fullerene C60 (i.e., to do both) and since then was the first to purified more fullerenes isomers than all other researchers combined; including all 9 known isomers of the third most abundant fullerene C84. To this end he has developed several counter to proper practice HPLC techniques for fullerene purification that are now commonly used in many fullerene research labs throughout the world. His present research interest include: Temperature-dependent structural studies: through NMR spectroscopy (molecular and dynamical) and XRD (crystal). Temperature-dependant vibrational studies via FTIR and FT-Raman. Double-walled nanotubes: developing the production and purification of double-walled carbon nanotubes (by both pulsed arc, and CVD techniques), and to exploit the durability of double-walled nanotubes to produce more reliable nano-transistors, and materials with potential applications for field emission-based flat screen displays. Carbon peapods: By encapsulating metal element containing endohedral fullerenes within carbon nanotubes tube, the band gap tubes can be narrowed (at the points corresponding to the positions of the endohedral fullerene). Preliminary results indicate these carbon peapods can be p-type, n-type, or am-bipolar, depending on the encapsulated atom. The effects of the encapsulated atom on the electronic transport of the fullerene is investigated. Endohedral fullerenes as contrast agents for MRI: Gadolinium-containing endohedral fullerenes are promising species for contrast enhancement in MRI, these species have several advantages over conventional agents. The incarcerated highly toxic Gd3+ ion is severely sterically hindered to dissociation, and they are about 20 times as effective, thus are required in much smaller doses. We, in collaboration with researchers at the Institute of Chemistry at the Chinese Academy of Sciences in Beijing are currently investigating functionalisation of these species to make them water-soluble and specific tissue targeting. For example, we have recently produced bone-targeting Gd-based endohedral fullerenes. Quantum information processing: The ESR of the nitrogen-containing endohedral fullerene iNC60 has hyperfine lines at least two orders of magnitude narrower then any other known radical, making it a possible qubit candidate for quantum computation. Having recently performed the first (and still only) isolation of iNC60, I intend to systematically investigate the potential of nitrogen- and phosphorous-containing incar-fullerenes, as dimers as novel building-block materials for electron spin-based scalable solid-state quantum computation. Isomer-pure fullerene and endohedral fullerene-based Transistors: Recently our group has begun researching the use of fullerenes and endohedral fullerenes in semi-conductor devices, including transistors. Before joining QMUL, Dr Dennis conducted postdoctoral research under a series of personal research fellowships from the Australian Research Council, the Japan Society for the Promotion of Science, and the Alexander von Humboldt Foundation. He gained his D.Phil. under the supervision of Prof .Harry Kroto at the University of Sussex in 1993.

Key Publications

Shu CY, Wang CR, Zhang JF, Gibson HW, Dorn HC, Corwin FD, Fatouros PP and Dennis TJS (2008). Organophosphonate functionalized Gd@C-82 as a magnetic resonance imaging contrast agent. Chem Mater  vol. 20, (6) 2106-2109. 10.1021/cm7023982

DAVID WIF, IBBERSON RM, DENNIS TJS, HARE JP and PRASSIDES K (1992). STRUCTURAL PHASE-TRANSITIONS IN THE FULLERENE C-60. Editions Physique  Europhysics Letters: a Letters Journal Exploring The Frontiers of Physics  vol. 18, (8) {735-736}-{735-736}. 10.1209/0295-5075/18/8/012

LEACH S, VERVLOET M, DESPRES A, BREHERET E, HARE JP, DENNIS TJ, KROTO HW, TAYLOR R and WALTON DRM (1992). ELECTRONIC-SPECTRA AND TRANSITIONS OF THE FULLERENE C-60. Chem Phys  vol. 160, (3) 451-466. 10.1016/0301-0104(92)80012-K

DAVID WIF, IBBERSON RM, MATTHEWMAN JC, PRASSIDES K, DENNIS TJS, HARE JP, KROTO HW, TAYLOR R and WALTON DRM (1991). CRYSTAL-STRUCTURE AND BONDING OF ORDERED C60. Nature  vol. 353, (6340) 147-149. 10.1038/353147a0

2017

Zhang F, Shi W, Luo J, Pellet N, Yi C, Li X, Zhao X, DENNIS TJS, Li X, Wang S, Xiao Y, Zakeeruddin MS, Bi D and Gr├Ątzel M (2017). Isomer-pure bis-PCBM assisted crystal engineering of perovskite solar cells showing excellent efficiency and stability. United Nations Industrial Developement Organization  Advanced Materials  10.1002/adma.201606806

Shi W, Hou X, Liu T, Zhao X, Sieval AB, Hummelen JC and Dennis TJS (2017). Purification and electronic characterisation of 18 isomers of the OPV acceptor material bis-[60]PCBM. Chem Commun (Camb)  vol. 53, (5) 975-978. 10.1039/c6cc07820f

2015

Peci T, Dennis TJS and Baxendale M (2015). Iron-filled multiwalled carbon nanotubes surface-functionalized with paramagnetic Gd (III): A candidate dual-functioning MRI contrast agent and magnetic hyperthermia structure. Carbon  vol. 87, (C) 226-232. 10.1016/j.carbon.2015.01.052

2013

Olof Johansson J, Bohl E, Henderson GG, Mignolet B, Dennis TJS, Remacle F and Campbell EEB (2013). Hot electron production and diffuse excited states in C70, C82, and Sc3N@C80 characterized by angular-resolved photoelectron spectroscopy. Journal of Chemical Physics  vol. 139, (8) 10.1063/1.4818987

Johansson JO, Bohl E, Henderson GG, Mignolet B, Dennis TJS, Remacle F and Campbell EEB (2013). Hot electron production and diffuse excited states in C70, C82, and Sc3N@C80 characterized by angular-resolved photoelectron spectroscopy. J Chem Phys  vol. 139, (8) 10.1063/1.4818987

Muthukumar K, Strozecka A, Myslivecek J, Dybek A, Dennis TJS, Voigtlaender B and Larsson JA (2013). Endohedral Fullerene Ce@C-82 on Cu(111): Orientation, Electronic Structure, and Electron-Vibration Coupling. Journal of Physical Chemistry C  vol. 117, (4) 1656-1662. 10.1021/jp305438h

2011

Strozecka A, Muthukumar K, Larsson JA, Dybek A, Dennis TJS, Myslivecek J and Voigtlander B (2011). Electron-induced excitation of vibrations of Ce atoms inside a C-80 cage. Phys Rev B  vol. 83, (16) 10.1103/PhysRevB.83.165414

2010

Li B, Shu CY, Lu X, Dunsch L, Chen ZF, Dennis TJS, Shi ZQ, Jiang L, Wang TS, Xu W and Wang CR (2010). Addition of Carbene to the Equator C-70 To Produce the Most Stable C71H2 Isomer: 2aH-2(12)a-Homo(C-70-D-5h(6))[5,6]fullerene. Angew Chem Int Edit  vol. 49, (5) 962-966. 10.1002/anie.200905263

2009

Yan C, Dybek A, Hanson C, Schulte K, Cafolla AA, Dennis J and Moriarty P (2009). Langmuir-Blodgett films of C60 and C60-O on Silicon: Islands, rings and grains. Elsevier  Thin Solid Films  vol. 517, (5) {1650-1654}-{1650-1654}. 10.1016/j.tsf.2008.10.015

2008

Shu CY, Wang CR, Zhang JF, Gibson HW, Dorn HC, Corwin FD, Fatouros PP and Dennis TJS (2008). Organophosphonate functionalized Gd@C-82 as a magnetic resonance imaging contrast agent. Chem Mater  vol. 20, (6) 2106-2109. 10.1021/cm7023982

2007

Booth EC, Bachilo SM, Kanai M, Dennis TJS and Weisman RB (2007). Photophysical properties of C-84 major isomers. J Phys Chem C  vol. 111, (48) 17720-17724. 10.1021/jp071447y

Baxendale M, Melli M, Alemipour Z, Pollini I and Dennis TJS (2007). Quantum conductance in single- and double-wall carbon nanotube networks. J Appl Phys  vol. 102, (10) 10.1063/1.2817623

2006

Porfyrakis K, Leigh DF, Owen JHG, Lee SM, Kanai M, Morley G, Ardavan A, Dennis TJS, Pettifor DG and Briggs GAD (2006). Isolation, spectroscopic characterization and study of island formation of two isomers of the metallofullerene Nd@C82. Ecs Transactions  vol. 1, (15) 43-49. 10.1149/1.2214618

2005

Morley GW, Herbert BJ, Lee SM, Porfyrakis K, Dennis TJS, Nguyen-Manh D, Scipioni R, van Tol J, Horsfield AP, Ardavan A, Pettifor DG, Green JC and Briggs GAD (2005). Hyperfine structure of Sc@C-82 from ESR and DFT. Nanotechnology  vol. 16, (11) 2469-2473. 10.1088/0957-4484/16/11/001

Leigh DF, Owen JHG, Lee SM, Porfyrakis K, Ardavan A, Dennis TJS, Pettifor DG and Briggs GAD (2005). Distinguishing two isomers of Nd@C-82 by scanning tunneling microscopy and density functional theory. Chem Phys Lett  vol. 414, (4-6) 307-310. 10.1016/j.cplett.2005.08.090

Schulte K, Wang L, Moriarty PJ, Purton J, Patel S, Shinohara H, Kanai M and Dennis TJS (2005). Well-shielded cerium atoms: Electronic structure of adsorbed Ce@C-82 on Si surfaces. Phys Rev B  vol. 71, (11) 10.1103/PhysRevB.71.115437

Theobald JA, Oxtoby NS, Champness NR, Beton PH and Dennis TJS (2005). Growth induced reordering of fullerene clusters trapped in a two-dimensional supramolecular network. Langmuir  vol. 21, (5) 2038-2041. 10.1021/la047533w

2004

Wang L, Schulte K, Woolley RAJ, Kanai M, Dennis TJS, Purton J, Patel S, Gorovikov S, Dhanak VR, Smith EF, Cowie BCC and Moriarty P (2004). Morphology, structure, and electronic properties of Ce@C-82 films on Ag : Si(111)-(root 3x root 3)R30 degrees. Surf Sci  vol. 564, (1-3) 156-164. 10.1016/j.susc.2004.06.189

Wang L, Schulte K, Woolley RAJ, Kanai M, Dennis TJS, Purton J, Patel S, Gorovikov S, Dhanak VR, Smith EF, Cowie BCC and Moriarty P (2004). Morphology, structure, and electronic properties of Ce@C82 films on Ag:Si(1 1 1)-(?3?3)R30? Surface Science  vol. 564, (1-3) 156-164. 10.1016/j.susc.2004.06.189

Khlobystov AN, Porfyrakis K, Britz DA, Kanai M, Scipioni R, Lyapin SG, Wiltshire JG, Ardavan A, Nguyen-Manh D, Nicholas RJ, Pettifor DG, Dennis TJS and Briggs GAD (2004). Ordering and interaction of molecules encapsulated in carbon nanotubes. Materials Science and Technology  vol. 20, (8) 969-974. 10.1179/026708304225022061

De Nadai C, Mirone A, Dhesi SS, Bencok P, Brookes NB, Marenne I, Rudolf P, Tagmatarchis N, Shinohara H and Dennis TJS (2004). Local magnetism in rare-earth metals encapsulated in fullerenes. Phys Rev B  vol. 69, (18) 10.1103/PhysRevB.69.184421

Woolley RAJ, Schulte KHG, Wang L, Moriarty PJ, Cowie BCC, Shinohara H, Kanai M and Dennis TJS (2004). Does an encapsulated atom 'feel' the effects of adsorption?: X-ray standing wave spectroscopy of Ce@C-82 on Ag(111). Nano Lett  vol. 4, (2) 361-364. 10.1021/nl035041i

Kanai M, Porfyrakis K, Briggs GAD and Dennis TJS (2004). Purification by HPLC and the UV/Vis absorption spectra of the nitrogen-containing incar-fullerenes iNC(60), and iNC(70). Chem Commun  (2) 210-211. 10.1039/b310978h

Khlobystov AN, Porfyrakis K, Kanai M, Britz DA, Ardavan A, Shinohara H, Dennis TJS and Briggs GAD (2004). Molecular motion of endohedral fullerenes in single-walled carbon nanotubes. Angew Chem Int Edit  vol. 43, (11) 1386-1389. 10.1002/anie.200352389

2003

O'Shea JN, Phillips MA, Taylor MDR, Beton PH, Moriarty P, Kanai M, Dennis TJS, Dhanak VR, Patel S and Poolton N (2003). Competing interactions of noble metals and fullerenes with the Si(111)7X7 surface. J Chem Phys  vol. 119, (24) 13046-13052. 10.1063/1.1628225

Butcher MJ, Nolan JW, Hunt MRC, Beton PH, Dunsch L, Kuran P, Georgi P and Dennis TJS (2003). Adsorption and manipulation of endohedral and higher fullerenes on Si(100)-2x1. Phys Rev B  vol. 67, (12) 10.1103/PhysRevB.67.125413

2002

Margiolaki I, Margadonna S, Prassides K, Assimopoulos S, Meletov KP, Kourouklis GA, Dennis TJS and Shinohara H (2002). High pressure study of the C-84 fullerene. Physica B  vol. 318, (4) 372-377. 10.1016/S0921-4526(02)00807-4

Assimopoulos S, Meletov KP, Kourouklis GA, Margiolaki I, Margadonna S, Prassides K, Dennis TJS and Shinohara H (2002). Pressure response of the higher fullerene C-84 studied by Raman and X-ray scattering. High Pressure Research  vol. 22, (1) 63-67. 10.1080/08957950290007199

2001

Denning MS, Dennis TJS, Rosseinsky MJ and Shinohara H (2001). K3+delta C84. Higher fullerene analogues of the A(3)C(60) superconductors. Chem Mater  vol. 13, (12) 4753-4759. 10.1021/cm010595c

Denning MS, Dennis TJS, Rosseinsky MJ and Shinohara H (2001). K3+?C84. Higher fullerene analogues of the A3C60 superconductors. Chemistry of Materials  vol. 13, (12) 4753-4759. 10.1021/cm010595c

Butcher MJ, Nolan JN, Hunt MRC, Beton PH, Dunsch L, Kuran P, Georgi P and Dennis TJS (2001). Orientationally ordered island growth of higher fullerenes on Ag/Si(111)-(root 3X root 3)R30 root degrees. Phys Rev B  vol. 64, (19) art. no.-195401. 10.1103/PhysRevB.64.195401

Butcher MJ, Nolan JW, Hunt MRC, Beton PH, Dunsch L, Kuran P, Georgi P and Dennis TJS (2001). Orientationally ordered island growth of higher fullerenes on Ag/Si(111)-(?3 ??3)R30? Physical Review B - Condensed Matter and Materials Physics  vol. 64, (19) 1954011-1954016.

Azamar-Barrios JA, Dennis TJS, Sadhukan S, Shinohara H, Scuseria GE and Penicaud A (2001). Characterization of six isomers of [84]fullerene C-84 by electrochemistry, electron spin resonance spectroscopy, and molecular energy levels calculations. J Phys Chem A  vol. 105, (19) 4627-4632. 10.1021/jp003649z

Hino S, Umishita K, Iwasaki K, Aoki M, Kobayashi K, Nagase S, Dennis TJS, Nakane T and Shinohara H (2001). Ultraviolet photoelectron spectra of metallofullerenes, two Ca@C-82 isomers. Chem Phys Lett  vol. 337, (1-3) 65-71. 10.1016/S0009-2614(01)00197-X

2000

Dennis TJS, Hulman M, Kuzmany H and Shinohara H (2000). Vibrational infrared spectra of the two major isomers of [84]fullerene: C-84{D-2(IV)} and C-84(D-2d(II)}. Journal of Physical Chemistry B  vol. 104, (23) 5411-5413. 10.1021/jp0006835

Inakuma M, Yamamoto E, Kai T, Wang CR, Tomiyama T, Shinohara H, Dennis TJS, Hulman M, Krause M and Kuzmany H (2000). Structural and electronic properties of isomers of Sc(2)@C(84)(I, II, III): (13)C NMR and IR/Raman spectroscopic studies. Journal of Physical Chemistry B  vol. 104, (21) 5072-5077. 10.1021/jp000438l

Krause M, Hulman M, Kuzmany H, Kuran P, Dunsch L, Dennis TJS, Inakuma M and Shinohara H (2000). Low-energy vibrations in Sc(2)@C(84) and Tm@C(82) metallofullerenes with different carbon cages. Journal of Molecular Structure  vol. 521, 325-340. 10.1016/S0022-2860(99)00451-2

1999

Dennis TJS, Kai T, Asato K, Tomiyama T, Shinohara H, Yoshida T, Kobayashi Y, Ishiwatari H, Miyake Y, Kikuchi K and Achiba Y (1999). Isolation and characterization by 13C NMR spectroscopy of [84]fullerene minor isomers. Journal of Physical Chemistry A  vol. 103, (44)

Tagmatarchis N, Avent AG, Prassides K, Dennis TJS and Shinohara H (1999). Separation, isolation and characterisation of two minor isomers of the [84]fullerene C-84. Royal Soc Chemistry  Chemical Communications  vol. 11, 1023-1024. 10.1039/a901709g

Kalina OG, Tumanskii BL, Bashilov VV, Chistyakov AL, Stankevich IV, Sokolov VI, Dennis TJS and Taylor R (1999). Addition of phosphoryl radicals to [76]fullerene gives six stable regioisomeric spin-adducts: MNDO/PM3 calculations of spin densities. Journal of The Chemical Society-Perkin Transactions 2  (12) 2655-2657. 10.1039/a908038d

1997

Dennis TJS and Shinohara H (1997). Production and isolation of endohedral strontium- and barium-based mono-metallofullerenes: Sr/Ba@C-82 and Sr/Ba@C-84. Elsevier/Science Direct  Chemical Physics Letters  vol. 278, (1-3) 107-110. 10.1016/S0009-2614(97)01020-8

1994

CHRISTIDES C, DENNIS TJS, PRASSIDES K, CAPPELLETTI RL, NEUMANN DA and COPLEY JRD (1994). ROTATIONAL-DYNAMICS OF SOLID C-70 - A NEUTRON-SCATTERING STUDY. American Physical Soc  Physical Review B  vol. 49, (4) 2897-2903. 10.1103/PhysRevB.49.2897

1993

Dennis TJS (1993). Structure and Dynamics of the Fullerenes C60 and C70., Editors: Kroto HW.

DIOGO HP, DAPIEDADE MEM, DENNIS TJS, HARE JP, KROTO HW, TAYLOR R and WALTON DRM (1993). ENTHALPIES OF FORMATION OF BUCKMINSTERFULLERENE (C-60) AND OF THE PARENT IONS C-60+, C-602+, C-603+ AND C-60-. J Chem Soc Faraday T  vol. 89, (19) 3541-3544. 10.1039/ft9938903541

TAYLOR R, LANGLEY GJ, AVENT AG, DENNIS TJS, KROTO HW and WALTON DRM (1993). C-13 NMR-SPECTROSCOPY OF C-76, C-78, C-84 AND MIXTURES OF C-86-C102 - ANOMALOUS CHROMATOGRAPHIC BEHAVIOR OF C-82, AND EVIDENCE FOR C70H12. J Chem Soc Perk T 2  (6) 1029-1036. 10.1039/p29930001029

1992

PRASSIDES K, DENNIS TJS, CHRISTIDES C, RODUNER E, KROTO HW, TAYLOR R and WALTON DRM (1992). MU-AT-THE-COST-OF-C70 - MONITORING THE DYNAMICS OF FULLERENES FROM INSIDE THE CAGE. J Phys Chem-Us  vol. 96, (26) 10600-10602. 10.1021/j100205a007

Prassides K, Dennis TJS, Christides C, Roduner E, Kroto HW, Taylor R and Walton DRM (1992). Mu@C70: Monitoring the dynamics of fullerenes from inside the cage. Journal of Physical Chemistry  vol. 96, (26) 10600-10602.

TAYLOR R, LANGLEY GJ, DENNIS TJS, KROTO HW and WALTON DRM (1992). A MASS-SPECTROMETRIC NMR-STUDY OF FULLERENE-78 ISOMERS. J Chem Soc Chem Comm  (15) 1043-1046. 10.1039/c39920001043

TAYLOR R, LANGLEY GJ, MEIDINE MF, PARSONS JP, ABDULSADA AK, DENNIS TJ, HARE JP, KROTO HW and WALTON DRM (1992). FORMATION OF C60PH12 BY ELECTROPHILIC AROMATIC-SUBSTITUTION. J Chem Soc Chem Comm  (9) 667-668. 10.1039/c39920000667

TAYLOR R, HOLLOWAY JH, HOPE EG, AVENT AG, LANGLEY GJ, DENNIS TJ, HARE JP, KROTO HW and WALTON DRM (1992). NUCLEOPHILIC-SUBSTITUTION OF FLUORINATED C-60. J Chem Soc Chem Comm  (9) 665-667. 10.1039/c39920000665

DAVID WIF, IBBERSON RM, DENNIS TJS, HARE JP and PRASSIDES K (1992). STRUCTURAL PHASE-TRANSITIONS IN THE FULLERENE C-60. Editions Physique  Europhysics Letters: a Letters Journal Exploring The Frontiers of Physics  vol. 18, (8) {735-736}-{735-736}. 10.1209/0295-5075/18/8/012

LEACH S, VERVLOET M, DESPRES A, BREHERET E, HARE JP, DENNIS TJ, KROTO HW, TAYLOR R and WALTON DRM (1992). ELECTRONIC-SPECTRA AND TRANSITIONS OF THE FULLERENE C-60. Chem Phys  vol. 160, (3) 451-466. 10.1016/0301-0104(92)80012-K

TAYLOR R, AVENT AG, DENNIS TJ, HARE JP, KROTO HW, WALTON DRM, HOLLOWAY JH, HOPE EG and LANGLEY GJ (1992). NO LUBRICANTS FROM FLUORINATED C-60. Nature  vol. 355, (6355) 27-28. 10.1038/355027b0

1991

PRASSIDES K, DENNIS TJS, HARE JP, TOMKINSON J, KROTO HW, TAYLOR R and WALTON DRM (1991). INELASTIC NEUTRON-SCATTERING SPECTRUM OF THE FULLERENE C60. Chem Phys Lett  vol. 187, (5) 455-458. 10.1016/0009-2614(91)80282-3

Dennis TJ, Firth S, Kroto HW, Matti GY, Mok CY, Suffolk RJ and Walton DRM (1991). Detection of chlorophosphaethyne, Cl-C?P, by photoelectron spectroscopy. Journal of The Chemical Society, Faraday Transactions  vol. 87, (7) 917-920. 10.1039/FT9918700917

DWORKIN A, FABRE C, SCHUTZ D, KRIZA G, CEOLIN R, SZWARC H, BERNIER P, JEROME D, LEACH S, RASSAT A, HARE JP, DENNIS TJ, KROTO HW, TAYLOR R and WALTON DRM (1991). THERMODYNAMIC CHARACTERIZATION OF THE CRYSTALLINITY OF FOOTBALLENE C-60. Cr Acad Sci II  vol. 313, (9) 1017-1021.

DAVID WIF, IBBERSON RM, MATTHEWMAN JC, PRASSIDES K, DENNIS TJS, HARE JP, KROTO HW, TAYLOR R and WALTON DRM (1991). CRYSTAL-STRUCTURE AND BONDING OF ORDERED C60. Nature  vol. 353, (6340) 147-149. 10.1038/353147a0

Blau WJ, Byrne HJ, Cardin DJ, Dennis TJ, Hare JP, Kroto HW, Taylor R and Walton DR (1991). Large infrared nonlinear optical response of C60. Phys Rev Lett  vol. 67, (11) 1423-1425. 10.1103/PhysRevLett.67.1423

GASYNA Z, SCHATZ PN, HARE JP, DENNIS TJ, KROTO HW, TAYLOR R and WALTON DRM (1991). THE MAGNETIC CIRCULAR-DICHROISM AND ABSORPTION-SPECTRA OF C60 ISOLATED IN AR MATRICES. Chem Phys Lett  vol. 183, (3-4) 283-291. 10.1016/0009-2614(91)80064-5

HOLLOWAY JH, HOPE EG, TAYLOR R, LANGLEY GJ, AVENT AG, DENNIS TJ, HARE JP, KROTO HW and WALTON DRM (1991). FLUORINATION OF BUCKMINSTERFULLERENE. J Chem Soc Chem Comm  (14) 966-969. 10.1039/c39910000966

TAYLOR R, PARSONS JP, AVENT AG, RANNARD SP, DENNIS TJ, HARE JP, KROTO HW and WALTON DRM (1991). DEGRADATION OF C60 BY LIGHT. Nature  vol. 351, (6324) 277-277. 10.1038/351277a0

DWORKIN A, SZWARC H, LEACH S, HARE JP, DENNIS TJ, KROTO HW, TAYLOR R and WALTON DRM (1991). THERMODYNAMIC EVIDENCE FOR A PHASE-TRANSITION IN CRYSTALLINE FULLERENE C-60. Cr Acad Sci II  vol. 312, (9) 979-982.

DENNIS TJ, FIRTH S, KROTO HW, MATTI GY, MOK CY, SUFFOLK RJ and WALTON DRM (1991). DETECTION OF CHLOROPHOSPHAETHYNE, CHLOROMETHYLIDYNE PHOSPHINE CL - C=P, BY PHOTOELECTRON-SPECTROSCOPY. J Chem Soc Faraday T  vol. 87, (7) 917-920. 10.1039/ft9918700917

HARE JP, DENNIS TJ, KROTO HW, TAYLOR R, ALLAF AW, BALM S and WALTON DRM (1991). THE IR-SPECTRA OF FULLERENE-60 AND FULLERENE-70. J Chem Soc Chem Comm  (6) 412-413. 10.1039/c39910000412

DENNIS TJ, HARE JP, KROTO HW, TAYLOR R, WALTON DRM and HENDRA PJ (1991). THE VIBRATIONAL RAMAN-SPECTRA OF C-60 AND C-70. Spectrochim Acta A  vol. 47, (9-10) 1289-1292. 10.1016/0584-8539(91)80217-7

1990

DENNIS TJ, FIRTH S, KROTO HW, WALTON DRM and MOK CY (1990). DETECTION OF C-CHLOROPHOSPHAETHYNE (CLCP) BY MICROWAVE SPECTROSCOPY. J Chem Soc Chem Comm  (20) 1430-1431. 10.1039/c39900001430

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