Publications

Featured Publications

▦ Photofunctional porous crystals

Photochromic porous organic crystals constructed by the self-assembly of triarylethylene derivatives
Xiayu Zhang+, Haodong Sun+, Kam-Hung Low, Tao Yu*, Vonika Ka-Man Au*
Mater. Chem. Front. 2023, 7, 3332–3339. DOI: 10.1039/d3qm00460k

▦ Porous materials for environmental remediation

Efficient removal of piroxicam and ketoprofen by acid-modulated iron(III) metal–organic frameworks
Chen Wu, Vonika Ka-Man Au*
J. Ind. Eng. Chem. 2024, 129, 544–554. DOI: 10.1016/j.jiec.2023.09.013

▦ Mesoporosity and hierarchical assemblies

Dual-Functional Mesoporous Copper(II) Metal–Organic Frameworks for the Remediation of Organic Dyes
Vonika Ka-Man Au*, Shuk Ying Kwan, Mio Nga Lai, Kam-Hung Low
Chem. Eur. J. 2021, 27, 9174–9179. DOI: 10.1002/chem.202100289


Full Publication List



Review Nanoporous Organic Frameworks as Light-Emitting Diodes: A Review
Elissa O. Shehayeb, Vonika Ka-Man Au*
ACS Appl. Nano Mater. 2024, DOI: 10.1021/acsanm.3c05190
(Part of the Special Issue "Women in Nano")

Review Recent progress of self-supported air electrodes for flexible Zn-air batteries
Chen Xu, Yanli Niu, Vonika Ka-Man Au, Shuaiqi Gong, Xuan Liu, Jianying Wang*, Deli Wu, Zuofeng Chen*
J. Energy Chem. 2024, 89, 110–136. DOI: 10.1016/j.jechem.2023.10.038
(Part of the Special Issue "Electrocatalysis for Energy Chemistry")

Efficient removal of piroxicam and ketoprofen by acid-modulated iron(III) metal–organic frameworks
Chen Wu, Vonika Ka-Man Au*
J. Ind. Eng. Chem. 2024, 129, 544–554. DOI: 10.1016/j.jiec.2023.09.013

Review Functional organogold(III) complexes with bidentate cyclometalating ligands
Vonika Ka-Man Au*
J. Organomet. Chem. 2023, 1001, 122868. DOI: 10.1016/j.jorganchem.2023.122868
(Invited article in the Special Issue on “Photofunctional Organometallic Complexes” dedicated to the occasion of Prof. Vivian W.-W. Yam’s 60th birthday)

Manipulating the transition of aggregate states to control the photochromism in a new triphenylethylene derivative
Mingyao Shen, Cheng Huang, Yuxin Xiao, Rongjuan Huang, Vonika Ka-Man Au*, Tao Yu*
J. Mater. Chem. C 2023, 11, 11486–11491. DOI: 10.1039/d3tc01093g
(Highlighted as Hot Paper)

Photochromic porous organic crystals constructed by the self-assembly of triarylethylene derivatives
Xiayu Zhang+, Haodong Sun+, Kam-Hung Low, Tao Yu*, Vonika Ka-Man Au*
Mater. Chem. Front. 2023, 7, 3332–3339. DOI: 10.1039/d3qm00460k
(Highlighted as Inside Front Cover)

Review Highly Twisted Thermally Activated Delayed Fluorescence (TADF) Molecules and Their Applications in Organic Light-Emitting Diodes (OLEDs)
Tiantian Zhang, Yuxin Xiao, Hailan Wang, Shuting Kong, Rongjuan Huang, Vonika Ka-Man Au*, Tao Yu*, Wei Huang*
Angew. Chem. Int. Ed. 2023, 62, e202301896. DOI: 10.1002/anie.202301896

Luminescent bis-alkynylgold(III) complexes with bidentate cyclometalating ligands: A comparison study with related tridentate cyclometalated complexes
Vonika Ka-Man Au, Vivian Wing-Wah Yam*
J. Chin. Chem. Soc. 2023, 70, 1237–1251. DOI: 10.1002/jccs.202300089
(Invited article in the Special Issue dedicated to the occasion of Prof. Yu Wang’s 80th birthday)

Efficient removal and sensing of copper(II) ions by alkaline earth metal-based metal–organic frameworks
Chen Wu, Kam-Hung Low, Vonika Ka-Man Au*
J. Solid State Chem. 2023, 322, 123936. DOI: 10.1016/j.jssc.2023.123936


Ligand Substituent Effects on the Light-driven Hydrogen Evolution by Cobalt(II) Tripodal Iminopyridine Catalysts under Precious-metal Free Conditions
Chun-Leung Kwok, Shun-Cheung Cheng, Pui-Yu Ho, Shek-Man Yiu, Vonika Ka-Man Au, Wing-Kei Ho, Po-Keung Tsang, Jing Xiang*, Chi-Fai Leung*, Chi-Chiu Ko*
Eur. J. Inorg. Chem. 2022, e202200361. DOI: 10.1002/ejic.202200361
(Part of the "Institute Feature: Hong Kong Universities"; highlighted as Cover Feature)

Review Photoresponsive Metal–Organic Frameworks: Tailorable Platforms of Photoswitches for Advanced Functions
Xiayu Zhang, Tao Yu*, Vonika Ka-Man Au*
ChemNanoMat 2022, 8, e202100486. DOI: 10.1002/cnma.202100486
(Invited article in the Special Collection highlighting Asian Women in Materials Chemistry and Nanoscience)

Review Metal–Organic Frameworks for NOx Adsorption and Their Applications in Separation, Sensing, Catalysis, and Biology
Jinliang Lin, Wingkei Ho*, Xing Qin, Chi-Fai Leung*, Vonika Ka-Man Au*, Shun-cheng Lee
Small 2022, 18, 2105484. DOI: 10.1002/smll.202105484

Molybdenum phosphide coupled with highly dispersed nickel confined in porous carbon nanofibers for enhanced photocatalytic CO2 reduction
Shuaiqi Gong, Mengjie Hou, Yanli Niu, Xue Teng, Xuan Liu, Mingze Xu, Chen Xu, Vonika Ka-Man Au, Zuofeng Chen*
Chem. Eng. J. 2022, 427, 131717. DOI: 10.1016/j.cej.2021.131717

Review Organic Light-emitting Diodes based on Luminescent Self-assembled Materials of Copper(I)
Vonika Ka-Man Au*
Energy Fuels 2021, 35, 18982–18999. DOI: 10.1021/acs.energyfuels.1c01956
(Invited article in the Special Issue “2021 Pioneers in Energy Research: Vivian Yam”)

Dual-Functional Mesoporous Copper(II) Metal-Organic Frameworks for the Remediation of Organic Dyes
Vonika Ka-Man Au*, Shuk Ying Kwan, Mio Nga Lai, Kam-Hung Low
Chem. Eur. J. 2021, 27, 9174–9179. DOI: 10.1002/chem.202100289
(Invited article in the "Metal-Organic Frameworks: Special Collection 2020"; highlighted in Wiley's Hot Topics "MesoporousMaterials" and "Photocatalysis" in May-June 2021)

Review Recent Advances in the Use of Metal-Organic Frameworks for Dye Adsorption
Vonika Ka-Man Au*
Front. Chem. 2020, 8, 708. DOI: 10.3389/fchem.2020.00708
(Invited article on the Research Topic “Supramolecular Chemistry at the Interface of Environmental and Food Science”)

Precious-metal free Photocatalytic Production of an NADH Analogue using Cobalt Diimine-dioxime Catalysts under both Aqueous and Organic Conditions
Chun-Leung Kwok, Shun-Cheung Cheng, Pui-Yu Ho, Shek-Man Yiu, Wai-Lun Man, Vonika Ka-Man Au, Po-Keung Tsang, Chi-Fai Leung*, Chi-Chiu Ko*, Marc Robert*
Chem. Commun. 2020, 56, 7491–7494. DOI: 10.1039/D0CC02604B

The Important Role of Coordination Geometry on Photophysical Properties of Blue-Green Emitting Ruthenium(II) Diisocyano Complexes Bearing 2-Benzoxazol-2-ylphenolate
Pui-Yu Ho, Shun-Cheung Cheng, Shek-Man Yiu, Vonika Ka-Man Au, Jing Xiang*, Chi-Fai Leung*, Chi-Chiu Ko*
Inorg. Chem. 2019, 58, 11372–11381. DOI: 10.1021/acs.inorgchem.9b00560


Stepwise Expansion of Layered Metal–Organic Frameworks for Nonstochastic Exfoliation into Porous Nanosheets
Vonika Ka-Man Au+, Kazuki Nakayashiki+, Hubiao Huang, Shun Suginome, Hiroshi Sato*, Takuzo Aida*
J. Am. Chem. Soc. 2019, 141, 53–57. DOI: 10.1021/jacs.8b09987

Multi-functional bis(alkynyl)gold(III) N^C complexes with distinct mechanochromic luminescence and electroluminescence properties
Ben Yiu-Wing Wong, Hok-Lai Wong, Yi-Chun Wong, Vonika Ka-Man Au, Mei-Yee Chan*, Vivian Wing-Wah Yam*
Chem. Sci. 2017, 8, 6936–6946. DOI: 10.1039/C7SC02410J

Luminescent Bis-Cyclometalated Gold(III) Complexes with Alkynyl Ligands of Hexaphenylbenzene and Hexabenzocoronene Derivatives and Their Supramolecular Assembly
King-Chin Yim, Vonika Ka-Man Au, Keith Man-Chung Wong, Vivian Wing-Wah Yam*
Chem. Eur. J. 2017, 23, 5772–5786. DOI: 10.1002/chem.201606052

Luminescent Dinuclear Bis-Cyclometalated Gold(III) Alkynyls and Their Solvent-Dependent Morphologies through Supramolecular Self-Assembly
King-Chin Yim, Vonika Ka-Man Au, Ling-Ling Hung, Keith Man-Chung Wong, Vivian Wing-Wah Yam*
Chem. Eur. J. 2016, 22, 16258–16270. DOI: 10.1002/chem.201603186

Synthesis, characterization, photophysics and electrochemistry of hexanuclear silver(I) alkynyl phosphine complexes
Hiu-Suet Lo, Eddie Chung-Chin Cheng, Hong-Liang Xu, Wai Han Lam, Nianyong Zhu, Vonika Ka-Man Au, Vivian Wing-Wah Yam*
J. Organomet. Chem. 2016, 812, 43–50. DOI: 10.1016/j.jorganchem.2016.02.002
(Invited article in the Special Issue on "Advances in Di- and Polynuclear Organometallic Complexes" in Commemoration of Lord Lewis)

Synthesis, characterization, electrochemistry, and photophysical studies of triarylamine-containing zinc(II) diimine bis-thiolate complexes
Tao Yu, Vonika Ka-Man Au, Daniel Ping-Kuen Tsang, Mei-Yee Chan, Vivian Wing-Wah Yam*
Dalton Trans. 2015, 44, 18983–18992. DOI: 10.1039/C5DT02920A

Synthesis, characterization and spectroscopic studies of luminescent L-valine modified alkynyl-based cyclometalated gold(III) complexes with gelation properties driven by π–π stacking, hydrogen bonding and hydrophobic–hydrophobic interactions
Steven Kin-Lok Siu, Charlotte Po, King-Chin Yim, Vonika Ka-Man Au, Vivian Wing-Wah Yam*
CrystEngComm 2015, 17, 8153–8162. DOI: 10.1039/C5CE01136A
(Invited article in Themed Issue on Supramolecular Gels in Crystal Engineering)

Dual Esterase- and Steroid-Responsive Energy Transfer Modulation of Ruthenium(II) and Rhenium(I) Complex Functionalized Gold Nanoparticles
Frankie Chi-Ming Leung, Vonika Ka-Man Au, Hai-Ou Song, Vivian Wing-Wah Yam*
Chem. Eur. J. 2015, 21, 16448–16454. DOI: 10.1002/chem.201501808
(Highlighted as Back Cover and Hot Paper)

Review Light-Emitting Self-Assembled Materials Based on d8 and d10 Transition Metal Complexes
Vivian Wing-Wah Yam*, Vonika Ka-Man Au, Sammual Yu-Lut Leung
Chem. Rev. 2015, 115, 7589–7728. DOI: 10.1021/acs.chemrev.5b00074
(Invited review article in the Thematic Issue on Supramolecular Chemistry)

Organic Memory Devices Based on a Bis-Cyclometalated Alkynylgold(III) Complex
Vonika Ka-Man Au+, Di Wu+, Vivian Wing-Wah Yam*
J. Am. Chem. Soc. 2015, 137, 4654–4657. DOI: 10.1021/jacs.5b02113
(Highlighted in JACS Spotlights)

Synthesis of alkynylgold(III) complexes with bis-cyclometalating ligand derived from ethyl 2,6-diphenylisonicotinate and their structural, electrochemical, photo- and electroluminescence studies
Vonika Ka-Man Au, Daniel Ping-Kuen Tsang, Yi-Chun Wong, Mei-Yee Chan*, Vivian Wing-Wah Yam*
J. Organomet. Chem. 2015, 792, 109–116. DOI: 10.1016/j.jorganchem.2015.02.037
(Invited article in the Special Issue on “Concepts for the Structure and Bonding of Organometallic Compounds” dedicated to Prof. D. M. P. Mingos on the occasion of his 70th birthday)

Synthesis, characterization, electrochemistry and photophysical studies of rhenium(I) tricarbonyl diimine complexes with carboxaldehyde alkynyl ligands
Siu-Tung Lam, Nianyong Zhu, Vonika Ka-Man Au, Vivian Wing-Wah Yam*
Polyhedron 2015, 86, 10–16. DOI: 10.1016/j.poly.2014.03.051
(Invited article in the Special Issue for Dr. Claude Lapinte)

Luminescence color switching of supramolecular assemblies of discrete molecular decanuclear gold(I) sulfido complexes
Franky Ka-Wah Hau, Terence Kwok-Ming Lee, Eddie Chung-Chin Cheng, Vonika Ka-Man Au, Vivian Wing-Wah Yam*
Proc. Nat. Acad. Sci. USA 2014, 111, 15900–15905. DOI: 10.1073/pnas.1418824111

Synthesis, Characterization, Self-Assembly, Gelation, Morphology and Computational Studies of Alkynylgold(III) Complexes of 2,6-Bis(benzimidazol-2′-yl)pyridine Derivatives
King-Chin Yim, Elizabeth Suk-Hang Lam, Keith Man-Chung Wong, Vonika Ka-Man Au, Chi-Chiu Ko, Wai Han Lam, Vivian Wing-Wah Yam*
Chem. Eur. J. 2014, 20, 9930–9939. DOI: 10.1002/chem.201402876
(Highlighted as Back Cover and in Chemistry Views)

Synthesis, characterization, photophysics and electrochemistry of polynuclear copper(I) and gold(I) alkynyl phosphine complexes
Hiu-Suet Lo, Nianyong Zhu, Vonika Ka-Man Au, Vivian Wing-Wah Yam*
Polyhedron 2014, 83, 178–184. DOI: 10.1016/j.poly.2014.06.006
(Invited article in the Special Issue for Prof. Thomas C.W. Mak)

Förster Resonance Energy Transfer Studies of Luminescent Gold Nanoparticles Functionalized with Ruthenium(II) and Rhenium(I) Complexes: Modulation via Esterase Hydrolysis
Frankie Chi-Ming Leung, Anthony Yiu-Yan Tam, Vonika Ka-Man Au, Mei-Jin Li, Vivian Wing-Wah Yam*
ACS Appl. Mater. Interfaces. 2014, 6, 6644–6653. DOI: 10.1021/am500350c

Synthesis, Characterization and Photophysical Studies of Luminescent Dinuclear and Trinuclear Copper(I) Alkynyl Phosphines
Steven Kin-Lok Siu, Chi-Chiu Ko, Vonika Ka-Man Au, Vivian Wing-Wah Yam*
J. Clust. Sci. 2014, 25, 287–300. DOI: 10.1007/s10876-013-0648-2
(Invited article in the Special Issue in celebration of the 25th Anniversary of Journal of Cluster Science)

Functionalized Bis-Cyclometalated Alkynylgold(III) Complexes: Synthesis, Characterization, Electrochemistry, Photophysics, Photochemistry, and Electroluminescence Studies
Vonika Ka-Man Au, Daniel Ping-Kuen Tsang, Keith Man-Chung Wong, Mei-Yee Chan*, Nianyong Zhu, Vivian Wing-Wah Yam*
Inorg. Chem. 2013, 52, 12713–12725. DOI: 10.1021/ic4019212

Deep Red to Near-Infrared Emitting Rhenium(I) Complexes: Synthesis, Characterization, Electrochemistry, Photophysics, and Electroluminescence Studies
Tao Yu, Daniel Ping-Kuen Tsang, Vonika Ka-Man Au, Wai Han Lam, Mei-Yee Chan, Vivian Wing-Wah Yam*
Chem. Eur. J. 2013, 19, 13418–13427. DOI: 10.1002/chem.201301841

Luminescent Metallogels of Bis-Cyclometalated Alkynylgold(III) Complexes
Vonika Ka-Man Au, Nianyong Zhu, Vivian Wing-Wah Yam*
Inorg. Chem. 2013, 52, 558–567. DOI: 10.1021/ic3007519
(Highlighted as Cover)

Luminescent Cyclometalated Alkynylgold(III) Complexes with 6-Phenyl-2,2′-Bipyridine Derivatives: Synthesis, Characterization, Electrochemistry, Photophysics, and Computational Studies
Vonika Ka-Man Au, Wai Han Lam, Wing-Tak Wong, Vivian Wing-Wah Yam*
Inorg. Chem. 2012, 51, 7537–7545. DOI: 10.1021/ic300140w

Luminescent Cyclometalated Dialkynylgold(III) Complexes of 2-Phenylpyridine-Type Derivatives with Readily Tunable Emission Properties
Vonika Ka-Man Au, Keith Man-Chung Wong, Nianyong Zhu, Vivian Wing-Wah Yam*
Chem. Eur. J. 2011, 17, 130–142. DOI: 10.1002/chem.201001965
(Highlighted as Frontispiece and part of the Cover in special issue to celebrate the International Year of Chemistry in 2011)

High-Efficiency Green Organic Light-Emitting Devices Utilizing Phosphorescent Bis-cyclometalated Alkynylgold(III) Complexes
Vonika Ka-Man Au, Keith Man-Chung Wong, Daniel Ping-Kuen Tsang, Mei-Yee Chan*, Nianyong Zhu, Vivian Wing-Wah Yam*
J. Am. Chem. Soc. 2010, 132, 14273–14278. DOI: 10.1021/ja106579d

Luminescent Cyclometalated N-Heterocyclic Carbene-Containing Organogold(III) Complexes: Synthesis, Characterization, Electrochemistry, and Photophysical Studies
Vonika Ka-Man Au, Keith Man-Chung Wong, Nianyong Zhu, Vivian Wing-Wah Yam*
J. Am Chem. Soc. 2009, 131, 9076–9085. DOI: 10.1021/ja9027692

Electrogenerated chemiluminescence of a bis-cyclometalated alkynylgold(III) complex with irreversible oxidation using tri-n-propylamine as co-reactant
Zuofeng Chen, Keith Man-Chung Wong, Vonika Ka-Man Au, Yanbing Zu, Vivian Wing-Wah Yam*
Chem. Commun. 2009, 791–793. DOI: 10.1039/B820400D




Luminescent Supramolecular Assemblies
Vonika Ka-Man Au, Michael Ho-Yeung Chan, Vivian Wing-Wah Yam*
In: Jan Reedijk and Kenneth Poeppelmeier (Eds.). Comprehensive Inorganic Chemistry III, Vol. 8: Inorganic Photochemistry. Elsevier; 2023, p. 574–627.
DOI: 10.1016/B978-0-12-823144-9.00181-3

Transition Metal Complexes as Photofunctional Materials – from Photosensitization and Photochromism to Artificial Photosynthesis and Energy Applications
Vonika Ka-Man Au, Vivian Wing-Wah Yam*
In: Edwin Constable, Gerard Parkin and Lawrence Que (Eds.). Comprehensive Coordination Chemistry III, Vol. 9: Applications of Coordination Chemistry. Elsevier; 2021, p. 2–37.
DOI: 10.1016/B978-0-12-409547-2.14908-X

Noncovalent Metal–Metal Interactions
Keith Man-Chung Wong, Vonika Ka-Man Au, Vivian Wing-Wah Yam*
In: Jan Reedijk and Kenneth Poeppelmeier (Eds.). Comprehensive Inorganic Chemistry II, Vol. 8: Coordination and Organometallic Chemistry. Elsevier; 2013, p. 59–130.
DOI: 10.1016/B978-0-08-097774-4.00813-5




Luminescent gold(III) compounds containing bidentate ligand for organic light-emitting devices and their preparation
Vivian Wing-Wah Yam, Vonika Ka-Man Au, Mei-Yee Chan, Keith Man-Chung Wong
German Patent No. DE112010002628B4. Issued on October 31, 2018.
Chinese Patent No. CN102574870B. Issued on May 18, 2016.
Korean Patent No. KR101398664B1. Issued on May 27, 2014.
U. S. Patent No. 8,372,977 B2. Issued on February 12, 2013.

Luminescent gold(III) compounds for organic light-emitting devices and their preparation
Vivian Wing-Wah Yam, Vonika Ka-Man Au, Mei-Yee Chan, Keith Man-Chung Wong, King Chin Yim
US. Patent No. 8,987,450 B2. Issued on March 24, 2015.

Luminescent gold(III) compounds for organic light-emitting devices and their preparation
Vivian Wing-Wah Yam, Vonika Ka-Man Au, Mei-Yee Chan, Keith Man-Chung Wong, Hoi-Sing Kwok
U. S. Patent No. 8,415,473 B2. Issued on April 9, 2013.




Fundamental studies and design of MOFs: general discussion
Martin Attfield, Vonika Ka-Man Au, Lee Brammer, Andrew Burrows, Vera Butova, Jose Casaban, Géraldine Chanteux, Isabel Cooley, Huan Doan, David Fairen-Jimenez, Rosa Fucci, Patricia Horcajada, Zhehao Huang, Stuart James, Christophe Lavenn, Andrea Laybourn, Jiangnan Li, Yunzhuo Li, Nattapol Ma, Sebastian D. Pike, Daniel N. Rainer, Gabriel Sánchez, Martin Schroder, Christian Serre, Mohana Shivanna, Mzamo Shozi, Ollie Thomas, Gareth Toft, Omar Yaghi, Sihai Yang, Michael Zaworotko, Guojun Zhou
Faraday Discuss. 2021, 231, 127–144. DOI: 10.1039/d1fd90054d

Applications and developments part 1: general discussion
Martin Attfield, Vonika Ka-Man Au, Yong Cui, Deanna M. D'Alessandro, Huan Doan, Zhehao Huang, Christophe Lavenn, Andrea Laybourn, Jiangnan Li, Yunzhuo Li, Thomas Roseveare, Martin Schroder, Mohana Shivanna, Ollie Thomas, Cheng Wang, Sihai Yang, Michael Zaworotko, Guojun Zhou
Faraday Discuss. 2021, 231, 194–200. DOI: 10.1039/d1fd90056k

Theory and modelling: general discussion
Dmytro Antypov, Vonika Ka-Man Au, Isabel Cooley, François-Xavier Coudert, Deanna M. D'Alessandro, Qiaowei Li, Martin Schroder, Mikhail Suyetin, Matthias Vandichel, Sihai Yang, Michael Zaworotko, Elena Besley
Faraday Discuss. 2021, 231, 258–265. DOI: 10.1039/d1fd90057a

Commercialisation and applications: general discussion
Matthew Addicoat, Vonika Ka-Man Au, Lee Brammer, Andrew Burrows, José Casaban, Deanna M. D'Alessandro, Rosa Fucci, Patricia Horcajada, Simon Humphrey, Susumu Kitagawa, Christophe Lavenn, Andrea Laybourn, Hui Li, Jiangnan Li, Qiaowei Li, Yunzhuo Li, Soumya Mukherjee, Ken-ichi Otake, Kiran Patel, Moisés Pinto, Martin Schroder, Christian Serre, Petra Szilágyi, Ollie Thomas, Sihai Yang, Guojun Zhou
Faraday Discuss. 2021, 231, 384–396. DOI: 10.1039/d1fd90059e