Dr Delele Worku Ayele

FULL NAME: Delele Worku Ayele, Associate Professor of Chemistry

CURRENT ADMINISTRATIVE TITLE (if any):Dean of College of Science

OFFICE ADDRESS (Dept.  and BLDG/Office No.): College of Science, Dean Office, Peda Campus

MOBILE NUMBER (Optional):+251936749196

OFFICE PHONE NUMBER: (If any):+251582266597

E-MAIL ADDRESS:Delelewww@yahoo.com/ Delelewww@gmail.com/ Delelew@bdu.edu.et

EDUCATION

            Year of Degree           Degree                                         Institution

1.             2000                       BEd in Chemistry                      Bahir Dar University

2.             2004                       MSc in Inorganic Chemistry     Addis Ababa University

3.             2011                       PhD in Applied Chemistry        National Taiwan University of

                                                                                                  Science and Technology (NTUST)

4.      Sep.2011-Dec.2013      Postdoctoral fellow                        National Taiwan University of

                                                                                                   Science and Technology (NTUST)

ACADEMIC APPOINTMENTS (old and new)

   1. October  2005- December 2007, Head of Department of Chemistry, College of Science,

         Bahir Dar University,  Bahir Dar, Ethiopia.

   2. October  2008- present, Dean of College of Science, Bahir Dar University, Bahir Dar,

        Ethiopia.

 UNIVERSITY COMMITTEE ASSIGNMENTS:

1. College of Science, Member of  research committee,  2006-2007

2. Bahir Dar University, Member of Staff recruitment and promotion committee, 2007-present

OTHER MAJOR COMMITEE ASSIGNMENTS:

1.  College of Science, Member of organizing committee for 4th Annual Science conference, 2008

2. Bahir Dar Institute of Technology,  Member of organizing Committee of an international

    conference on the advancement of  Green Energy Technology (IC-GET-2016), 2008

 

TRAINING OF GRADUATE STUDENTS

  1. GashawAssefa and Delele Worku, 2009. Effects of Reaction time and Quantity of KMnO4 on   the degree of oxidation of Graphene oxide, Materials Science and Engineering, College of Science, Bahir Dar University.
  2. Ababay Ketema and Delele Worku, 2009. Synthesis and Charcterization of Cadimum Selenide Quantum dot- mixed Halide Perovskite(CdSe QDs - CH3NH3PbI3-xBrx) Composite Materials,  Materials Science and Engineering, College of Science, Bahir Dar University.
  3. Teklay Tewelde and Delele Worku, 2009. Controlled Synthesis, Characterization and Properties of Hybrid Organic-Inorganic Iodide (CH3NH3PbI3) Perovskites Materials, Materials Science and Engineering, College of Science, Bahir Dar University.
  4. Haimanot Gembirachew and Delele Worku, 2009. Controlled Synthesis and characterization of mixed halide organic-inorganic hybrid  (CH3NH3PbI3-xClx) perovskite, Materials Science and Engineering, College of Science, Bahir Dar University.
  5. Alebel Wubie and Delele Worku, 2009. Synthesis, characterization And Antibacterial Effect Of Zinc Oxide Naoparticles, Department of Chemistry, College of Science, Bahir Dar University.
  6. Kindeye Mekie and Delele Worku, 2009. Synthesis  and Characterization of Graphene oxide-zinc oxide (GO-ZnO) nanocomposite, Department of Chemistry, College of Science, Bahir Dar University.
  7. Wubshet Adane and Delele Worku, 2009. Synthesis and Characterization of Silver Nanoparticle-Reduced Graphene Oxide (AgNPs/rGO) Nanocomposite, Department of Chemistry, College of Science, Bahir Dar University.
  8. Guesh Gebrehaftse and Delele Worku, 2009. Synthesis and Characterization  of  Silver Nanoparticles Using Leaf Extracts of Coffea Arabica and Its Anti-bacterial Activity, Department of Chemistry, College of Science, Bahir Dar University.
  9. Deneke Shambo and Delele Worku, 2008. Green  Synthesis, Characterization and Antimicrobial Activity of Copper  Nanoparticles Using L-Ascorbic Acide  as a  Reducing Agent,  Department of Chemistry, College of Science, Bahir Dar University.
  10. Guta Tufa and Delele Worku, 2008. Hydrothermal Synthesis and Characterization of Cadmium Selenide (CdSe) Quantum Dots, Department of Chemistry, College of Science, Bahir Dar University.
  11. Adere Tarekegn  and Delele Worku, 2008.  Synthesis and Characterization of Graphene oxide (GO) and Reduced graphene oxide (rGO),  Department of Chemistry, College of Science, Bahir Dar University.
  12. Negese Yazie and Delele Worku, 2008. Natural Dye as light-harvesting Pigments for Quasi-solid-state Dye-Sensitized Solar Cells, Materials Science and Engineering, College of Science, Bahir Dar University.
  13. Wuletaw Andargie  and Delele Worku, 2008. Dye-sensitized solar cells using natural dye as light-harvesting materials extracted from Acanthus sennii chiovenda flower and Euphorbia cotinifolia leaf, Materials Science and Engineering, College of Science, Bahir Dar University.
  14. TarkoFentaw and Delele Worku, 2008. Controlled Synthesis, Characterization and Reduction of Graphene Oxide:A Convenient Method for Large Scale Production, Materials Science and Engineering, College of Science, Bahir Dar University.

TEACHING RESPONSIBILITIES

1. 2006-present,  Inorganic materials Science,  MSc , Department of Chemistry, College of

     Science, Bahir Dar University.

2. 2006-present, Advanced Inorganic Chemistry, MSc, Department of Chemistry, College of

     Science, Bahir Dar University.

3. 2008, Materials Science and Engineering  Lab.II, MSc, Materials Science and Engineering

    Program, College of  Science, Bahir Dar University.

4. 2008, Special Topic on Material science and Engineering, MSc, Materials Science and

    Engineering  Program, College of  Science, Bahir Dar University.

5. Have been teaching  inorganic chemistry courses in the undergraduate programs of the

    Department of Chemistry since 2004.

MEMBERSHIP OF PROFESSIONAL SOCIETIES

Member of the  Chemical Society of Ethiopia

PUBLICATIONS

  1. Tarko Fentaw and  Delele Worku Ayele*; Controllable synthesis and characterization of graphene oxide and   its Optical Properties, Journal of Basic and Applied Sciences (Elsevier), 2017, Accepted,  In press .
  2. Wuletaw Andargie  and  Delele Worku Ayele*; Dye-sensitized solar cells using natural dye as light-   harvesting materials extracted from Acanthus sennii chiov. flower and Euphorbia cotinifolia leaf, Journal of Science Advanced Materials and Devices (Elsevier), 2016, Accepted, In press .
  3. Delele Worku Ayele*; Facile Synthesis Strategy for Nearly Monodisperse Ag2Se Nanoparticles at Low Temperature, Journal of Basic and Applied Sciences (Elsevier),  2016, 3, 149–154
  4. Negese Yazie,  Delele Worku Ayele,* and  Abebe Reda; Natural Dye as light-harvesting Pigments for Quasi-solid-state Dye-Sensitized Solar Cells, Materials for Renewable and Sustainable Energy (Springer), 2016,  5:13  DOI 10.1007/s40243-016-0077-x (Impact factor=0.2)
  5. Andebet Gedamu Tamirat , Wei-Nien Su , Amare Aregahegn Dubale , Chun-Jern Pan , Hung-Ming Chen , Delele Worku Ayele , Jyh-Fu Lee , and  Bing-Joe Hwang; Efficient photoelectrochemical water splitting using three dimensional urchin-like hematite nanostructure modified with reduced graphene oxide, Journal of Power Sources (Elsevier), 2015, 119-128, (Impact factor=6.333)
  6. Amare Aregahegn Dubale,   Chun-Jern Pan,   Andebet Gedamu Tamirat,   Hung-Ming Chen,   Wei-nien Su,   Ching-Hsiang Chen,   John F. Rick,   Delele Worku Ayele,   Belete Asefa Aragaw,   Jyh-Fu Lee,   Yaw-Wen Yang and   Bing Joe Hwang ;  Heterostructured Cu2O/CuO decorated with nickel as a highly efficient photocathode for photoelectrochemical water reduction, Journal of Materials  Chemistry A (Royal Society of Chemistry), 2015, DOI:10.1039/C5TA01961C, (Impact factor=8.262)
  7. Delele Worku Ayele,   Wei-Nien Su, Chih-Chung Wu, Ching-Yeh Shiau and Bing-Joe Hwang; Amorphous Copper Indium Selenosulphite Compounds Synthesized by Rapid- Microwave   Enhanced Hydrothermal Process in Aqueous Solution, CrystEngComm (Royal Society of Chemistry), 2014, 014, 16, 3121–3127, (Impact factor=3.849)
  8. Wei-Nien Su, Delele Worku Ayele, Vincentius Ochie, Chun-Jern Pan, Bing-Joe Hwang; The development of highly crystalline single-phase Bi20TiO32 nanoparticles for light driven oxygen evolution, Applied Catalysis B: Environmental (Elsevier), 2014,  150,  363– 369, (Impact factor=8.328)
  9. A. K. Agegnehu, Z.-J. Lin, D. W. Ayele, W.-N. Su  and B.-J. Hwang; Water-based chemical synthesis of low cost CIGS thin films, Materials Research Innovations (Tayler and Francies),  2014,18:6, DOI 10.1179/1433075X13Y.0000000170, (Impact factor=0.830)
  10. Delele Worku Ayele, Wei-Nien Su, Hung-Lung Chou,  Chun-Jern Pan, Bing Joe Hwang; Composition-controlled optical properties of colloidal CdSe quantum dots, Applied Surface Science (Elsevier) , 2014,  322, 177–184, (Impact factor=3.150)
  11. Delele W. Ayele, Wei-Nein Su, John Rick, Hung-Ming Chen, Chun-Jern Pan, Nibret  G. Akalework, and Bing-Joe Hwang; "ADVANCES IN ORGANOMETALLIC CHEMISTRY AND CATALYSIS" A Book Chapter: Organometallic Complexes for Dye-sensitized Solar Cells (DSSC) (Wiley), 2013, 503
  12. Delele Worku Ayele, Wei-Nien Su*, John Rick ,  Bing-Joe Hwang; A Low-Cost Polytetrafluoroethylene-Framed TiO2 Electrode Decorated with Oleic Acid-Capped CdSe Quantum Dots for Solar Cell,  Journal of Energy (Hindawi), 2013,  1-9,
  13. Delele Worku Ayele, Hung-Ming Chen, Wei-Nien Su, Chun-Jern Pan,, iang-Yih Chen, Hung-Lung Chou, Ju-Hsiang Cheng, Bing-Joe Hwang, and Jyh-Fu Lee; Controlled Synthesis of CdSe Quantum Dots by a Microwave-Enhanced Process: A Green Approach for Mass Production, Chemistry-A European journal (Wiley), 2011, 17, 5737 , (Impact factor=5.771)
  14. Chih-Chung Wu, Ching-Yeh Shiau, Delele Worku Ayele, Wei-Nien Su, Ming-Yao Cheng, Chiu-Yen Chiu,  and Bing-Joe Hwang; Rapid Microwave Enhanced Solvothermal Process for Synthesis of CuInSe2 Particles and Its Morphologic Manipulation, Chemistry of Materials (ACS), 2010, 22, 4185–4190, (Impact factor=9.407)

MAJOR RESEARCH INTERESTS (1/2 page maximum) 

  • Development of Green and cost effective synthesis strategy for different materials (nanomaterials, semiconductors, composites, metal complexes and etc).
  • Design and development of different devices (solar cell, battery, biosensor and others)
  • Materials Analysis (using different characterizations techniques such as UV-Visible, FT-IR, SEM, XRD, ICP, Raman, TEM and etc) and their possible applications (solar energy storage and conversation, Biosensor, battery development, water purification and splitting, and etc).