u.a. kamarulzaman, m.y.a. rahman, m.s. suait, a.a. umar.  (2023).  dye-sensitized solar cells using nickelpalladium alloy-reduced graphene oxide cathode: effect of deposition temperature.  - chemical papers.  4625-4632. 

n.a.s. aziz, m.y.a. rahman, a.a. umar, e. r. mawarnis.  (2023).  iridium-palladium binary alloy as a counter electrode in dye-sensitized solar cells.  - dalton transactions.  18354-18361. 

n.a.s. aziz, m.y.a. rahman, a.a. umar, e.r. mawarnis.  (2023).  palladium films as cathode in dye-sensitized solar cell: influence of the concentration of potassium hexachloropalladate.  - applied physics a.  1-7. 

siti naqiyah sadikin, jaenudin ridwan, marjoni imamora ali umar, aini ayuni mohd raub, jumril yunas, azrul azlan hamzah, dahyunir dahlan, mohd yusri abd rahman, akrajas ali umar.  (2023).  photocatalytic activity and stability properties of porous tio2 film as photocatalyst for methylene blue and methylene orange degradation.  - international journal of electrochemical science.  1-8. 

l. roza, m.y.a. rahman, z. yumni, p.a. putro.  (2022).  al-doped sno2 as transparent heater: influence of deposition time.  - materials science forum.  123-136. 

altaf yahya al-sheirey, aamna balouch, elvy rahmi mawarnis, liszulfah roza, mohd. yusri abd. rahman, abdullah, ali muhammad mahar.  (2022).  effect of zno seed layer annealing temperature on the growth of zno nanorods and its catalytic application.  - optical materials.  1-8. 

a.y.a. al-she'irey, m.y.a. rahman, a.a. umar.  (2022).  perovskite-sensitized solar cell utilizing tio2 nanograss: effect of dipping time of ch3nh3pbi3 perovskite.  - journal of the indian chemical society.  1-5. 

a y a al-she'irey, m y a rahman, m i a umar, i sugihartono, v fauzia, a a umar.  (2022).  effect of potassium precursor concentration on the performance of perovskite-sensitized solar cells.  - bulletin of materials science.  1-9. 

sameen aslam, ahmad salam farooqi, mohd yusri abd rahman, siti azrah mohamad samsuri.  (2022).  titanium-based vacancy-ordered double halide family in perovskite solar cells.  - physica status solidi a.  1-13. 

m.y.a. rahman, s.n. sadikin, a.a. umar.  (2022).  dye-sensitized solar cells using zinc sulphide-coated titanium dioxide films as photoanode: effect of immersion temperature on its performan.  - international journal of electrochemical science.  1-11. 

n.a.s. aziz, m.y.a. rahman, a.a. umar.  (2022).  palladium selenide as cathode for dye-sensitized solar cell: effect of palladium content.  - solid-state electronics.  1-5. 

s.a. salleh, m.y.a. rahman, t.h.t. aziz.  (2022).  dye-sensitized solar cell using nickel sulphide-reduced graphene oxide counter electrode: effect of sulphur content.  - inorganic chemistry communications.  1-10. 

n.a.s. aziz, m.y.a. rahman, a.a. umar.  (2022).  comparative study of dye-sensitized solar cell utilizing selenium and palladium cathode.  - journal of the indian chemical society.  1-5. 

m.y.a. rahman, n. mustaffa.  (2021).  silver-reduced graphene oxide composite prepared by spin coating technique as cathode material for dye-sensitized solar cells.  - international journal of electrochemical science.  1-10. 

nabilah alias, akrajas ali umar,* nurul ain abd malek, kai liu, xiaoguo li, nur adliha abdullah, mohd mustaqim rosli, mohd yusri abd rahman, zejiao shi, xin zhang, haijuan zhang, fengcai liu, jiao wang, yiqiang zhan.  (2021).  photoelectrical dynamics uplift in perovskite solar cells by atoms thick 2d tis2 layer passivation of tio2 nanograss electron transport layer.  - acs applied materials and interfaces.  3051-3061. 

m.y.a. rahman.  (2021).  review on graphene and its modification as cathode for dye-sensitized solar cells.  - journal of materials science: materials in electronics.  23690-23719. 

u.a. kamarulzaman, m.y.a. rahman, m.s. suait, a.a. umar.  (2021).  nickelpalladium alloy-reduced graphene oxide as counter electrode for dye-sensitized solar cells.  - journal of molecular liquids.  1-7. 

s.a. salleh, m.y.a. rahman, t.h.t. aziz.  (2021).  effect of annealing temperature on the performance of dye-sensitized solar cell using nickel sulphide-reduced graphene oxide cathode.  - bulletin of materials science.  1-8. 

muhamad adam ramli, elvy rahmi mawarnis, marjoni imamora ali umar, mohd yusri abd rahman, vivi fauzia, muhammad nurdin, akrajas ali umar.  (2021).  charge transfer uplift in dye-sensitized solar cells using fibrous nanocrystals of platinum-based bimetallic counter electrodes.  - surface and interfaces.  1-12. 

s.a. salleh, m.y.a. rahman, z. yumni, t.h.t. aziz.  (2020).  nickel sulphide-reduced graphene oxide composite as counter electrode for dye-sensitized solar cell: influence of nickel chloride concentration.  - arabian journal of chemistry.  1878-5352. 

n. mustaffa, m.y.a. rahman, a.a. umar.  (2020).  dye-sensitized solar cell utilizing silver doped reduced graphene oxide: influence of annealing temperature on its performance.  - arabian journal of chemistry.  3383-3390. 

m.j. jimmy, a.m. harun, m.y.a. rahman, n.a. ludin.  (2020).  comparative study of dye-sensitized solar cell utilizing seaweed and rose bengal sensitizer: influence of dye concentration.  - international journal of electrochemical science.  3219-3231. 

r.a.g. whba, l. tiankhoon, m.s. suait, m.y.a. rahman, a. ahmad.  (2020).  influence of binary lithium salts on 49% polymethyl methacrylate grafted natural rubber based solid polymer electrolytes.  - arabian journal of chemistry.  3351-3361. 

ummi aqilah kamarulzaman, mohd yusri abd rahman, mohd sukor suait, akrajas ali umar.  (2020).  dye-sensitized solar cell utilizing nipd-rgo counter electrode: comparative study of deposition technique and effect of nicl2 concentration on its performance.  - international journal of nanoelectronics and materials.  159-164. 

s.n. sadikin, m.y.a. rahman, a.a. umar.  (2020).  influence of annealing temperature of tio2-coated zns films on the performance of dye-sensitized solar cells.  - optik.  1-9. 

liszulfah roza, vivi fauzia, mohd. yusri abd. rahman.  (2020).  influence of multilayer al-doped zno thin film on photocatalytic degradation of methyl blue.  - sains malaysiana.  3089-3095. 

l. roza, v. fauzia, m.y.a. rahman, i. isnaeni, p.a. putro.  (2020).  zno nanorods decorated with carbon nanodots and its metal doping as efficient photocatalyst for degradation of methyl blue solution.  - optical materials.  1-10. 

u.a. kamarulzaman, m.y.a. rahman, m.s. suait, a.a. umar.  (2020).  effect of annealing treatment on multi-layers tio2 films on the performance of dye-sensitized solar cells.  - optik.  1-10. 

v.g. maratin, a.m. harun, m.y.a. rahman.  (2020).  dye-sensitized solar cell utilizing p25 degussa and anatase tio2 films: comparative study of photovoltaic performance: effect of n719 dye concentration.  - international journal of electrochemical science.  1643-1654. 

liszulfah roza, vivi fauzia, mohd.yusri abd.rahman.  (2019).  tailoring the active surface sites of zno nanorods on the glass substrate for photocatalytic activity enhancement.  - surfaces and interfaces.  117-124. 

m.y.a. rahman, s.a.m. samsuri, a.a. umar.  (2019).  tio2-srtio3 composite photoanode: effect of strontium precursor concentration on the performance of dssc.  - applied physics a-materials science & processing.  1-11. 

s.n. sadikin, m.y.a. rahman, a.a. umar, t.h.t. aziz.  (2019).  improvement of dye-sensitized solar cell performance by utilizing tio2 coated graphene films photoanode.  - superlattices and microstructures.  92-98. 

s.n. sadikin, m.y.a. rahman, a.a. umar.  (2019).  zinc sulphide-coated titanium dioxide films as photoanode for dye-sensitized solar cells: effect of immersion time on its performance.  - superlattices and microstructures.  153-159. 

muhamad adam ramli, siti khatijah md saad, elvy rahmi mawarnis, marjoni imamora ali umar, p. susthitha menon, mohd yusri abd rahman, akrajas ali umar.  (2019).  facile charge transfer in fibrous pdpt bimetallic nanocube counter electrodes.  - new journal of chemistry.  11148-11156. 

n. mustaffa, m.y.a. rahman, a.a. umar.  (2018).  dye-sensitized solar cell utilizing silver doped reduced graphene oxide: fffect of silver nitrate content on its performance.  - ionics.  . 

a.s. sulaiman, m.y.a. rahman, a.a. umar, m.m. salleh.  (2018).  dye-sensitized solar cell (dssc) utilizing tio2 nanostructure films: effect of synthesis temperature.  - russian journal of electrochemistry.  56-61. 

md saad, s.k., ali umar, a., ali umar, m.i., tomitori, m., abd rahman, m.y., mat salleh, m., oyama, m..  (2018).  two-dimensional, hierarchical ag-doped tio2 nanocatalysts: effect of the metal oxidation state on the photocatalytic properties.  - acs omega.  . 

m.y.a. rahman, a.s. sulaiman, a.a. umar.  (2018).  dye-sensitized solar cell utilizing gold doped reduced graphene oxide films counter electrode.  - journal of new materials for electrochemical systems.  . 

m.y.a. rahman, a.s. sulaiman, a.a. umar.  (2018).  effect of annealing temperature of gold doped reduced graphene oxide counter electrode on the performance of dye-sensitized solar cell.  - international journal of electrochemical science.  . 

m.y.a. rahman, s.n. sadikin, a.a. umar.  (2018).  tio2-coated zns films as photoanode for dye-sensitized solar cell: effect of zinc nitrate hexahydrate concentration on the performance.  - applied physics a: materials science and processing.  . 

m.y.a. rahman, a.s. sulaiman, a.a. umar.  (2018).  dye-sensitized solar cell utilising gold doped reduced graphene oxide counter electrode: influence of annealing time.  - micro & nano letters.  . 

m.y.a. rahman, l. roza, s.a.m. samsuri, a.a. umar.  (2018).  effect of n719 dye dipping temperature on the performance of dye-sensitized solar cell.  - russian journal of electrochemistry.  . 

akrajas ali umar,siti khatijah md saad, marjoni imamora ali umar, mohd yusri abd rahman, munetaka oyama.  (2018).  advances in porous and high-energy (001)-faceted anatase tio2 nanostructures.  - optical materials.  390-430. 

iwantono iwantono, siti khatijah md saad, rischi yuda, mohd yusri abd rahman, akrajas ali umar.  (2018).  structural and properties transformation in zno hexagonal nanorod by ruthenium doping and its effect on dsscs power conversion efficiency.  - superlattices and microstructures.  . 

akrajas ali umar, altaf yahya ahmed al-she'irey, mohd yusri abd rahman, muhamad mat salleh, munetaka oyama.  (2018).  perovskite-sensitized solar cells-based ga-tio2 nanodiatom-like photoanode: the improvement of performance by perovskite crystallinity refinement.  - applied physics a: materials science and processing.  . 

m.y.a. rahman, a.s. sulaiman, a.a. umar, m.m. salleh.  (2017).  dye-sensitized solar cell (dssc) utilizing graphene films counter electrode: effect of graphene oxide (go)content.  - journal of materials science: materials in electronics.  1674-1678. 

muhammad ashraf saiful badri, muhamad mat salleh, noor far`ain md noor, mohd yusri abd rahman, akrajas ali umar.  (2017).  green synthesis of few-layered graphene from aqueous processed graphite exfoliation for graphene thin film preparation.  - materials chemistry and physics.  212-219. 

s.n. sadikin, m.y.a. rahman, a.a. umar, m.m. salleh.  (2017).  effect of spin coating cycle on the properties of tio2 thin film and performance of dssc.  - international journal of electrochemical science.  5529-5538. 

noor farain, muhamad mat salleh, muhammad ashraf, abd rahman, mohd yusri, akrajas ali umar.  (2017).  synthesis of blue-luminescence graphene quantum dots using hydrothermal method.  - solid state phenomena.  259-263. 

akrajas ali umar, fera anggelina, siti khatijah md saad, mohd.yusri abd. rahman, iwantono iwantono.  (2017).  influence of ag ion adsorption on the photoactivity of zno nanorods for dye-sensitized solar cell application.  - materials express.  312-318. 

n.a. sadikin, m.y.a. rahman, a.a. umar.  (2017).  tio2-batio3 composite films as photoanode for dye sensitized solar cell: effect of batio3 content.  - journal of new materials for electrochemical systems.  109-113. 

s.a.m. samsuri, m.y.a. rahman, a.a. umar, m.m. salleh.  (2017).  influence of zno growth temperature on the performance of dye-sensitized solar cell utilizing tio2-zno composite films photoanode.  - ionics.  3533-3544. 

s.a.m. samsuri, m.y.a. rahman, a.a. umar.  (2017).  comparative study of the properties of tio2 nanoflower and tio2-zno composite nanoflower and their application in dye-sensitized solar cells.  - ionics.  1897-1902. 

m.y.a. rahman, l. roza, s.a.m. samsuri, a.a. umar, m.m. salleh.  (2017).  dye-sensitized solar cell utilizing tio2 films prepared via microwave irradiation technique: effect of tio2 synthesis time.  - journal of new materials for electrochemical systems.  59-64. 

t.h.t. aziz, m.m. salleh, n.a. bakar, a.a. umar and m.y.a. rahman.  (2016).  electroluminescence enhancement of polymer light emitting diodes through surface plasmons by ag nanoplates.  - acta physica polonica a.  711. 

altaf yahya ahmed al-she`irey, siti khatijah md saad, akrajas ali umar, mohd yusri abd rahman and muhamad mat salleh.  (2016).  (001) faceted-ga-tio2 microtablet synthesis and its organic perovskite sensitized solar cells characterization.  - journal of alloys and compounds.  470-476. 

l. roza, m.y.a. rahman, a.a. umar, m.m. salleh.  (2016).  boron doped zno films for dye-sensitized solar cell (dssc): effect of annealing temperature.  - journal of materials science: materials in electronics.  8394-8401. 

elvy rahmi, akrajas ali umar, mohd yusri abd rahman, muhamad mat salleh and munetaka oyama.  (2016).  fibrous aupt bimetallic nanocatalyst with enhanced catalytic performance.  - rsc advances.  27696-27705. 

m. r. n. nabilah, m. a. alwi, m. s. su`ait, m. imperiyka, s. a. hanifah, a. ahmad, n. h. hassan, m. y. a. rahman.  (2016).  effect of ionic liquid 1-butyl-methylimidazolium bis(trifluoromethanesulfonyl)imide on the properties of poly(glycidyl methacrylate) based solid polymer electrolytes.  - russian journal of electrochemistry.  362-373. 

m.y.a. rahman, l. roza, a.a. umar, m.m. salleh.  (2016).  effect of dimethyl borate composition on the performance of boron doped zno dye-sensitized solar cell (dssc).  - journal of materials science: materials in electronics.  2228-2234. 

l. roza, m.y.a. rahman, a.a. umar, m.m. salleh.  (2016).  multi-cycle growth of boron doped zno films as photoanode for dye-sensitized solar cell (dssc).  - international journal of electrochemical science.  10965-10977. 

m.y.a. rahman, l. roza, a.a. umar, m.m. salleh.  (2015).  effect of acid boric composition on the properties of zno thin film nanotubes and the performance of dye-sensitized solar cell (dssc).  - journal of alloys and compounds.  86-91. 

s.a.m. samsuri, m.y.a. rahman, a.a. umar, m.m. salleh.  (2015).  synthesis and characterization of tio2-zno core-shell nanograss hetero-structure and its application in dye-sensitized solar cell (dssc).  - journal of materials science: materials in electronics.  4936-4943. 

n. ataollahi, a. ahmad, h. hamzah, m.y.a. rahman, n.s. mohamed.  (2015).  comparative study of the properties of plasticized (pvdf-hfp)-mg49-libf4 blend polymer electrolytes.  - russian journal of electrochemistry.  227-235. 

m.y.a. rahman, a.a. umar, l. roza, m.m. salleh.  (2015).  morphological, optical, structural and photoelectrochemical properties of tio2 nanostructure prepared via pvp surfactant assisted liquid phase deposition technique.  - journal of experimental nanoscience.  925-936. 

aamna balouch, akrajas ali umar, elvy rahmi mawarnis, siti khatijah md saad, muhamad mat salleh, mohd yusri abd rahman, i. v. kityk, and munetaka oyama.  (2015).  synthesis of amorphous platinum nanofibers directly on an ito substrate and its heterogeneous catalytic hydrogenation characterization.  - acs applied materials and interfaces.  7776-7785. 

i. iwantono, w. nurwidya, l.r. lestari, f.y. naumar, s. nafisah, a.a. umar, m.y.a. rahman, m.m. salleh.  (2015).  effect of growth temperature and time on zno films properties and the performance of dye-sensitized solar cell (dssc).  - journal of solid state electrochemistry.  1217-1221. 

m.y.a. rahman, a.a. umar, l. roza, s.a.m. samsuri, m.m. salleh, i. iwantono, tugirin.  (2015).  effect of growth solution concentration on the performance of boron doped zno dye-sensitized solar cell (dssc).  - journal of new materials for electrochemical systems.  213-218. 

l. roza, k.a.j. fairuzy, p. dewanta, a.a. umar, m.y.a. rahman, m.m. salleh.  (2015).  effect of molar ratio of zinc nitrate:hexamethylenetetramine on the properties of zno thin film nanorods and nanotubes and the performance of dye-sensitized solar cell (dssc).  - journal of materials science: materials in electronic.  7955-7966. 

siti khatijah md saad, akrajas ali umar, mohd. yusri abd. rahman, muhamad mat salleh.  (2015).  porous zn-doped tio2 nanowall photoanode: effect of zn2+ concentration on the dye-sensitized solar cell performance.  - applied surface science.  835-842. 

s.a.m. samsuri, m.y.a. rahman, a.a. umar, m.m. salleh.  (2015).  effect of zno growth time on the performance of dye-sensitized solar cell utilizing tio2-zno core-shell nanograss hetero-structure.  - materials letters.  388-391. 

l tiankhoon, nh hassan, mya rahman, r vedarajan, n matsumi, a ahmad.  (2015).  onepot synthesis nanohybrid zro2tio2 fillers in 49poly(methyl methacrylate) grafted natural rubber (mg49) based nanocomposite polymer electrolyte for lithium ion battery application.  - solid state ionics.  72-79. 

jumaah f.n., mobarak n.n., ahmad a., ghani m.a., rahman m.y.a..  (2015).  derivative of iota-carrageenan as solid polymer electrolyte.  - ionics.  1311-1320. 

m.s. su`ait, m.y.a. rahman, a. ahmad.  (2015).  review on polymer electrolyte in dye-sensitized solar cells (dsscs).  - solar energy.  452-470. 

m.y.a. rahman, a.a. umar, r. taslim, m.m. salleh.  (2015).  effect of surfactant on the physical properties of zno nanorods and the performance of zno photoelectrochemical cell.  - journal of experimental nanoscience.  599-609. 

l. roza, m.y.a. rahman, a.a. umar, m.m. salleh.  (2015).  direct growth of oriented zno nanotubes by self-selective etching at lower temperature for photo-electrochemical (pec) solar cell application.  - journal of alloys and compounds.  153-158. 

fitri yenni naumar, akrajas ali umar, muhamad mat salleh, marjoni imamora ali umar and mohd. yusri abd. rahman.  (2015).  polythiopene sodium poly [2-(3-thienyl)-ethoxy-4-buthylsulfonate] inkjet printed film-sensitized zno nanorods solar cells.  - international journal of electrochemical science.  445-455. 

s.a.m. samsuri, m.y.a. rahman, a.a. umar, m.m. salleh.  (2015).  effect of zinc acetate dihydrate precursor concentration on the properties of tio2-zno core-shell nanograss hetero-structure.  - journal of alloys and compounds.  460-465. 

m. imperiyka, a. ahmad, s.a. hanifah, a.a. umar, n.s. mohamed, m.y.a. rahman.  (2014).  photo-polymerization of methacrylate based polymer electrolyte for dye-sensitized solar cell.  - journal of polymer engineering.  695-702. 

m. imperiyka, a. ahmad, s.a. hanifah, m.y.a. rahman, n.s. mohamed.  (2014).  preparation and characterization of ultraviolet-cured polymer electrolyte poly(glycidyl methacrylate-co-methyl methacrylate).  - journal of new materials for electrochemical systems.  213-217. 

m.y.a. rahman, a.a. umar, l. roza, m.m. salleh.  (2014).  effect of organic dye on the performance of dye-sensitized solar cell utilizing tio2 nanostructure films synthesized via ctab-assisted liquid phase deposition technique.  - russian journal of electrochemistry.  1072-1076. 

m.y.a. rahman, a.a. umar, l. roza, m.m. salleh.  (2014).  effect of hexamethylenetetramines (hmt) surfactant concentration on the performance of tio2 nanostructure photoelectrochemical cells.  - russian journal of electrochemistry.  974-980. 

m.y.a. rahman, a. ahmad, a.a. umar, r. taslim, m.s. su`ait, m.m. salleh.  (2014).  polymer electrolyte for photoelectrochemical cell and dye-sensitized solar cell:a brief review.  - ionics.  1201-1205. 

akrajas ali umar, elvy rahmi, aamna balouch, mohd yusri abd rahman, muhamad mat salleh and munetaka oyama.  (2014).  highly-reactive agpt nanofern composed of {001}-faceted nanopyramidal spikes for enhanced heterogeneous photocatalysis application.  - journal of materials chemistry a.  17655-17656. 

m.s. sua`ait, a. ahmad, k.h. badri, n.s. mohamed, m.y.a. rahman, c.l. azanza ricardo, p.scardi.  (2014).  the potential of polyurethane bio-based solid polymer electrolyte for photoelectrochemical cell application.  - international journal of hydrogen energy.  3005-3017. 

m. imperiyka, a. ahmad, s.a. hanifah, m.y.a. rahman.  (2014).  preparation and characterization of polymer electrolyte of glycidyl methacrylate (gma)-methyl methacrylate (mma)-liclo4 plasticized with ethylene carbonate.  - international journal of polymer science.  2014:1-7. 

m.y.a. rahman, a.a. umar, l. roza, m.m. salleh.  (2014).  morphology, structure, optical property and photoelectrochemical property of tio2 nanoflower films synthesized via liquid phase deposition technique.  - micro & nano letters.  9(4):253-256. 

m.y.a. rahman, a.a. umar, s.k.m. saad, m.m. salleh, a. ishaq.  (2014).  effect of dye on the performance of nitrogen doped tio2 solar cell prepared via ammonia treated liquid phase depostion technique.  - journal of new materials for new electrochemical systems.  17(1):33-37. 

m. imperiyka, a. ahmad, s.a. hanifah, n.s. mohamed, m.y.a. rahman.  (2014).  investigation of plasticized uv-curable glycidyl methacrylate based solid polymer electrolyte for photoelectrochemical cell (pec) application.  - international journal of hydrogen energy.  39(6):3018-3024. 

n. ataollahi, a. ahmad, t.k. lee, a.r. abdullah, m.y.a. rahman.  (2014).  preparation and characterization of pvdf-mg49-nh4cf3so3 based solid polymer electrolyte.  - e-polymers.  14:115-120. 

m. imperiyka, a. ahmad, s.a. hanifah, m.y.a. rahman.  (2013).  potential of uv-curable poly(glycidyl methacrylate-co-ethyl methacrylate)-based solid polymer electrolyte for lithium ion battery application.  - international journal of electrochemical science.  8(9):10932-10945. 

m.y.a. rahman, a.a. umar, r. taslim, m.m. salleh.  (2013).  effect of ammonia and zinc acetate precursor concentration on the morphology of zno nanorods and the performance of a zno photo-electrochemical cell.  - current nanoscience.  9(6):730-736.