[논문]Efficiency of Photovoltaic Cell with Random Textured Anti Glare (RTAG) Glass

Kim, Geon Ho; Jeon, Bup Ju

doi:10.5757/asct.2016.25.6.133

Efficiency of Photovoltaic Cell with Random Textured Anti Glare (RTAG) Glass 원문보기

Applied science and convergence technology, v.25 no.6, 2016년, pp.133 - 137

Kim, Geon Ho (Department of Energy & Environmental Engineering, Shinhan University) , Jeon, Bup Ju (Department of Energy & Environmental Engineering, Shinhan University)

Abstract ▼ AI-Helper

The surface treatment of cover glass for conversion efficiency of photovoltaic cell is important to reduce reflectivity and to increase the incident light. In this work, random textured anti glare (RTAG) glass was prepared by wet surface coating method. Optical properties due to the changes of surface morphology of RTAG glass were compared and conversion efficiency of photovoltaic cell was researched. Grain size and changes of surface morphologies formed with surface etching time greatly affected optical transmittance and transmission haze. Current density (Jsc) were high at the condition when surface morphologies reflection haze were low and transmission haze were high. Jsc was $40.0mA/cm^2$ at glancing angle of $90^{\circ}$. Incidence light source was strongly influenced by surface treatment of cover glass at high incidence angle but was hardly affected light source at the low angle of incidence.

주제어

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가설 설정

In case sample etched for 60 second (RTAG #2) of Fig. 5(b), etching surface image is comparatively composing uniform grains. Surface roughness show the high gap between peaks and valley by etching deeply into the glass substrate.

제안 방법

In this work, wet etching method using gel state etching solution is used to research the change of optical property according to PV cell cover glass’s surface morphology after it’s being random textured.

대상 데이터

Optical transmittance and optical reflectance before and after surface etching was examined by UV-visible spectrophotometer (Model 8453, Agilent) of Hewlett-Packard. Transmission haze and reflection were used haze Rhopoint Gloss meter (model iQ3 Angle) and Hazemeter (Murakami, Model HM-150). Transmission haze was measured at 20 mm glancing light diameter of halogen lamp with the procedure of ASTMD 1003.

이론/모형

Physical and optical properties of random textured PV cell cover glass by wet etching were examined. To measure surface roughness, portable RA measurement system of Mitutoyo (Model SJ 210/SJ) was used. After surface treatment, the chemical component of etched glass substrate surface was examined by x-ray photoelectron spectroscopy (XPS, PHI 58000) with MgK radiation source.

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